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Donatiello I (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Donatiello I" in English language version.

refsWebsite
Global rank English rank
14arxiv.org
69th place
59th place
14harvard.edu
18th place
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14doi.org
2nd place
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14semanticscholar.org
11th place
8th place
5skyandtelescope.com
8,316th place
7,545th place
5archive.today
14th place
14th place
4web.archive.org
1st place
1st place
3iac.es
low place
low place
1universetoday.com
3,691st place
3,233rd place

archive.today

  • Crockett 2018, "Martínez-Delgado came across the discovery on Facebook. Donatiello had posted his discovery image to the site, after convincing himself that the galaxy was the real deal when he noticed a similar smudge at the same coordinates (RA 01h 11m 40.37s, dec. +34° 36' 3.2") in images from the Sloan Digital Sky Survey." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "The dwarf galaxy is faint, too. With a surface brightness of just 26.5 magnitudes per square arcsecond, it's barely visible against the sky." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "From the dark skies of Pollino National Park in southern Italy, Giuseppe Donatiello had been investigating the Andromeda Galaxy with his home-built telescope, looking for previously reported dwarf galaxies and stellar streams." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "David Martínez-Delgado (Heidelberg University, Germany), lead author on the paper reporting the discovery, published October 10th on the astronomy preprint arXiv. [...] Martínez-Delgado reached out and offered to collaborate on a paper." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "Martínez-Delgado and colleagues hope to get a better look at this galaxy with the Hubble Space Telescope. That should allow them to nail down the distance, which in turn would provide more precise estimates of other properties such as size and mass." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.

arxiv.org

  • Martínez-Delgado et al. 2018, "...obtained with the instrument Device Optimized for the Low Resolution (DOLoRes) of the 3.58-m Italian Telescopio Nazionale Galileo (TNG) (Roque de Los Muchachos Observatory, LaPalma, Spain) taken on November 27, 2016. These observations include 20x180-sec exposures in the g′-band and 15×180 sec exposures in the r’-band..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "We have reported the discovery of Do I, a faint stellar system at a projected distance of one degree from the Mirach (βAnd) star. [...] Do I lies 72.4 arcmin on the sky from NGC 404, which corresponds to a projected separation of 65 kpc if we adopt the TRGB distance of NGC 404 equal to 3.1 Mpc." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...observations obtained with the Gran Telescopio Canarias (La Palma, Spain) reveals that this system is beyond the Local Group [...] Our data suggest a distance range of 2.5–3.5 Mpc for Do I, and its structural parameters and absence of HI are consistent with those of a dwarf spheroidal galaxy, similar to the known companions of the Milky Way or M31." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] MV −8.3+0.3
    −0.3    ; LV 105.3+0.2
    −0.3     L☉; μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] Ellipticity 0.69±0.05; rh 0′.48 ± 0.15 - 442±157 pc" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "In the case of a distance for Do I of 2.5 Mpc, it would be one of the most isolated dSph galaxies reported so far." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...del Rio et al. (2004) argued that this gaseous ring around NGC 404 is the remnant of a merger with a dwarf irregular galaxy which took place some 900 Myr ago. The proximity of Do I and its elongated shape lead one to speculate that it might have been involved in that interaction or potentially have been affected by it." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "The main feature of the diagram is the red giant branch (RGB) locus, suggesting that the stellar population of this dwarf galaxy is dominated by old, metal-poor stars similar to those observed in dSph galaxies in the Local Group." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy; α (J2000) 01h 11m 40.37s; δ (J2000) +34° 36′ 3.2″; l 127.65°; b −28.08°" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Discovery image of Donatiello I dwarf galaxy [...] from the Pollino National Park in Southern Italy. The total exposure time is about 6000 seconds obtained by combining (sum and median) images captured on 5,6,7 November 2010 and 5 October 2013 with the same equipment." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Donatiello I (Do I) was first found on 23 September 2016 in a visual inspection of a deep amateur image of the Andromeda galaxy region [...] The main purpose of this wide-field mosaic of the area [...] was to detect the stellar streams and M31 satellites previously reported in the PAndAs [...] The detection was confirmed by a visual inspection of the SDSS DR9 images..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Astronomy & Astrophysics staff (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865. Issue A&A Volume 620, December 2018; Received: 25 April 2018; Accepted: 9 October 2018
  • Martínez-Delgado et al. 2018, "Because of its distance range and its crowding level, deeper, high resolution Hubble Space Telescope imaging and radial velocity observations are needed to constrain the distance of Do I and definitively determine if it is a NGC 404 companion. Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.

doi.org

  • Martínez-Delgado et al. 2018, "...obtained with the instrument Device Optimized for the Low Resolution (DOLoRes) of the 3.58-m Italian Telescopio Nazionale Galileo (TNG) (Roque de Los Muchachos Observatory, LaPalma, Spain) taken on November 27, 2016. These observations include 20x180-sec exposures in the g′-band and 15×180 sec exposures in the r’-band..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "We have reported the discovery of Do I, a faint stellar system at a projected distance of one degree from the Mirach (βAnd) star. [...] Do I lies 72.4 arcmin on the sky from NGC 404, which corresponds to a projected separation of 65 kpc if we adopt the TRGB distance of NGC 404 equal to 3.1 Mpc." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...observations obtained with the Gran Telescopio Canarias (La Palma, Spain) reveals that this system is beyond the Local Group [...] Our data suggest a distance range of 2.5–3.5 Mpc for Do I, and its structural parameters and absence of HI are consistent with those of a dwarf spheroidal galaxy, similar to the known companions of the Milky Way or M31." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] MV −8.3+0.3
    −0.3    ; LV 105.3+0.2
    −0.3     L☉; μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] Ellipticity 0.69±0.05; rh 0′.48 ± 0.15 - 442±157 pc" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "In the case of a distance for Do I of 2.5 Mpc, it would be one of the most isolated dSph galaxies reported so far." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...del Rio et al. (2004) argued that this gaseous ring around NGC 404 is the remnant of a merger with a dwarf irregular galaxy which took place some 900 Myr ago. The proximity of Do I and its elongated shape lead one to speculate that it might have been involved in that interaction or potentially have been affected by it." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "The main feature of the diagram is the red giant branch (RGB) locus, suggesting that the stellar population of this dwarf galaxy is dominated by old, metal-poor stars similar to those observed in dSph galaxies in the Local Group." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy; α (J2000) 01h 11m 40.37s; δ (J2000) +34° 36′ 3.2″; l 127.65°; b −28.08°" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Discovery image of Donatiello I dwarf galaxy [...] from the Pollino National Park in Southern Italy. The total exposure time is about 6000 seconds obtained by combining (sum and median) images captured on 5,6,7 November 2010 and 5 October 2013 with the same equipment." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Donatiello I (Do I) was first found on 23 September 2016 in a visual inspection of a deep amateur image of the Andromeda galaxy region [...] The main purpose of this wide-field mosaic of the area [...] was to detect the stellar streams and M31 satellites previously reported in the PAndAs [...] The detection was confirmed by a visual inspection of the SDSS DR9 images..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Astronomy & Astrophysics staff (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865. Issue A&A Volume 620, December 2018; Received: 25 April 2018; Accepted: 9 October 2018
  • Martínez-Delgado et al. 2018, "Because of its distance range and its crowding level, deeper, high resolution Hubble Space Telescope imaging and radial velocity observations are needed to constrain the distance of Do I and definitively determine if it is a NGC 404 companion. Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.

harvard.edu

ui.adsabs.harvard.edu

  • Martínez-Delgado et al. 2018, "...obtained with the instrument Device Optimized for the Low Resolution (DOLoRes) of the 3.58-m Italian Telescopio Nazionale Galileo (TNG) (Roque de Los Muchachos Observatory, LaPalma, Spain) taken on November 27, 2016. These observations include 20x180-sec exposures in the g′-band and 15×180 sec exposures in the r’-band..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "We have reported the discovery of Do I, a faint stellar system at a projected distance of one degree from the Mirach (βAnd) star. [...] Do I lies 72.4 arcmin on the sky from NGC 404, which corresponds to a projected separation of 65 kpc if we adopt the TRGB distance of NGC 404 equal to 3.1 Mpc." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...observations obtained with the Gran Telescopio Canarias (La Palma, Spain) reveals that this system is beyond the Local Group [...] Our data suggest a distance range of 2.5–3.5 Mpc for Do I, and its structural parameters and absence of HI are consistent with those of a dwarf spheroidal galaxy, similar to the known companions of the Milky Way or M31." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] MV −8.3+0.3
    −0.3    ; LV 105.3+0.2
    −0.3     L☉; μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] Ellipticity 0.69±0.05; rh 0′.48 ± 0.15 - 442±157 pc" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "In the case of a distance for Do I of 2.5 Mpc, it would be one of the most isolated dSph galaxies reported so far." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...del Rio et al. (2004) argued that this gaseous ring around NGC 404 is the remnant of a merger with a dwarf irregular galaxy which took place some 900 Myr ago. The proximity of Do I and its elongated shape lead one to speculate that it might have been involved in that interaction or potentially have been affected by it." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "The main feature of the diagram is the red giant branch (RGB) locus, suggesting that the stellar population of this dwarf galaxy is dominated by old, metal-poor stars similar to those observed in dSph galaxies in the Local Group." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy; α (J2000) 01h 11m 40.37s; δ (J2000) +34° 36′ 3.2″; l 127.65°; b −28.08°" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Discovery image of Donatiello I dwarf galaxy [...] from the Pollino National Park in Southern Italy. The total exposure time is about 6000 seconds obtained by combining (sum and median) images captured on 5,6,7 November 2010 and 5 October 2013 with the same equipment." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Donatiello I (Do I) was first found on 23 September 2016 in a visual inspection of a deep amateur image of the Andromeda galaxy region [...] The main purpose of this wide-field mosaic of the area [...] was to detect the stellar streams and M31 satellites previously reported in the PAndAs [...] The detection was confirmed by a visual inspection of the SDSS DR9 images..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Astronomy & Astrophysics staff (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865. Issue A&A Volume 620, December 2018; Received: 25 April 2018; Accepted: 9 October 2018
  • Martínez-Delgado et al. 2018, "Because of its distance range and its crowding level, deeper, high resolution Hubble Space Telescope imaging and radial velocity observations are needed to constrain the distance of Do I and definitively determine if it is a NGC 404 companion. Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.

iac.es

semanticscholar.org

api.semanticscholar.org

  • Martínez-Delgado et al. 2018, "...obtained with the instrument Device Optimized for the Low Resolution (DOLoRes) of the 3.58-m Italian Telescopio Nazionale Galileo (TNG) (Roque de Los Muchachos Observatory, LaPalma, Spain) taken on November 27, 2016. These observations include 20x180-sec exposures in the g′-band and 15×180 sec exposures in the r’-band..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "We have reported the discovery of Do I, a faint stellar system at a projected distance of one degree from the Mirach (βAnd) star. [...] Do I lies 72.4 arcmin on the sky from NGC 404, which corresponds to a projected separation of 65 kpc if we adopt the TRGB distance of NGC 404 equal to 3.1 Mpc." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...observations obtained with the Gran Telescopio Canarias (La Palma, Spain) reveals that this system is beyond the Local Group [...] Our data suggest a distance range of 2.5–3.5 Mpc for Do I, and its structural parameters and absence of HI are consistent with those of a dwarf spheroidal galaxy, similar to the known companions of the Milky Way or M31." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] MV −8.3+0.3
    −0.3    ; LV 105.3+0.2
    −0.3     L☉; μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] Ellipticity 0.69±0.05; rh 0′.48 ± 0.15 - 442±157 pc" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "In the case of a distance for Do I of 2.5 Mpc, it would be one of the most isolated dSph galaxies reported so far." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "...del Rio et al. (2004) argued that this gaseous ring around NGC 404 is the remnant of a merger with a dwarf irregular galaxy which took place some 900 Myr ago. The proximity of Do I and its elongated shape lead one to speculate that it might have been involved in that interaction or potentially have been affected by it." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "The main feature of the diagram is the red giant branch (RGB) locus, suggesting that the stellar population of this dwarf galaxy is dominated by old, metal-poor stars similar to those observed in dSph galaxies in the Local Group." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy; α (J2000) 01h 11m 40.37s; δ (J2000) +34° 36′ 3.2″; l 127.65°; b −28.08°" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Table 1. Properties of the Donatiello I dwarf galaxy [...] μV (mag arcsec−2) 26.5±1.0" Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Discovery image of Donatiello I dwarf galaxy [...] from the Pollino National Park in Southern Italy. The total exposure time is about 6000 seconds obtained by combining (sum and median) images captured on 5,6,7 November 2010 and 5 October 2013 with the same equipment." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Martínez-Delgado et al. 2018, "Donatiello I (Do I) was first found on 23 September 2016 in a visual inspection of a deep amateur image of the Andromeda galaxy region [...] The main purpose of this wide-field mosaic of the area [...] was to detect the stellar streams and M31 satellites previously reported in the PAndAs [...] The detection was confirmed by a visual inspection of the SDSS DR9 images..." Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.
  • Astronomy & Astrophysics staff (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865. Issue A&A Volume 620, December 2018; Received: 25 April 2018; Accepted: 9 October 2018
  • Martínez-Delgado et al. 2018, "Because of its distance range and its crowding level, deeper, high resolution Hubble Space Telescope imaging and radial velocity observations are needed to constrain the distance of Do I and definitively determine if it is a NGC 404 companion. Martínez-Delgado, David; Grebel, Eva K.; Javanmardi, Behnam; Boschin, Walter; Longeard, Nicolas; Carballo-Bello, Julio A.; Makarov, Dmitry; Beasley, Michael A.; Donatiello, Giuseppe; Haynes, Martha P.; Forbes, Duncan A.; Romanowsky, Aaron J. (6 December 2018). "Mirach's Goblin: Discovery of a dwarf spheroidal galaxy behind the Andromeda galaxy". Astronomy & Astrophysics. 620: A126. arXiv:1810.04741. Bibcode:2018A&A...620A.126M. doi:10.1051/0004-6361/201833302. S2CID 55255865.

skyandtelescope.com

  • Crockett 2018, "Martínez-Delgado came across the discovery on Facebook. Donatiello had posted his discovery image to the site, after convincing himself that the galaxy was the real deal when he noticed a similar smudge at the same coordinates (RA 01h 11m 40.37s, dec. +34° 36' 3.2") in images from the Sloan Digital Sky Survey." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "The dwarf galaxy is faint, too. With a surface brightness of just 26.5 magnitudes per square arcsecond, it's barely visible against the sky." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "From the dark skies of Pollino National Park in southern Italy, Giuseppe Donatiello had been investigating the Andromeda Galaxy with his home-built telescope, looking for previously reported dwarf galaxies and stellar streams." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "David Martínez-Delgado (Heidelberg University, Germany), lead author on the paper reporting the discovery, published October 10th on the astronomy preprint arXiv. [...] Martínez-Delgado reached out and offered to collaborate on a paper." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.
  • Crockett 2018, "Martínez-Delgado and colleagues hope to get a better look at this galaxy with the Hubble Space Telescope. That should allow them to nail down the distance, which in turn would provide more precise estimates of other properties such as size and mass." Crockett, Christopher (24 October 2018). "Dwarf Galaxy Found by Amateur". Sky & Telescope. Archived from the original on 22 February 2019. Retrieved 22 February 2019.

universetoday.com

  • Williams, Matt (26 October 2018). "Has a New Dwarf Galaxy Been Found Hiding Behind Andromeda?". Universe Today. Archived from the original on 22 February 2019. Retrieved 22 February 2019. Using a 12.7-cm telescope, Donatiello captured a mosaic of deep images of the Andromeda galaxy [...] follow-up observations made on Nov. 27th, 2016. These were performing using the 3.58 meter Telescopio Nazionale Galileo (TNG) and the 10.4 meter Gran Telescopio Canarias (GTC), both of which are located at the IAC's Roque de Los Muchachos Observatory on the island of La Palma, Spain.

web.archive.org