NGC 6946 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6946" in English language version.

refsWebsite

Global rank English rank

29harvard.edu

18^th place

17^th place

13doi.org

2^nd place

9arxiv.org

69^th place

59^th place

8semanticscholar.org

11^th place

8^th place

8wis-tns.org

low place

3worldcat.org

5^th place

2caltech.edu

887^th place

714^th place

2seds.org

5,388^th place

7,494^th place

2gemini.edu

low place

2rochesterastronomy.org

low place

2astronomerstelegram.org

low place

1nasa.gov

75^th place

83^rd place

1oup.com

485^th place

440^th place

arxiv.org (Global: 69^th place; English: 59^th place)

Eldridge, J J; Xiao, Lin (2 March 2019). "The distance, supernova rate, and supernova progenitors of NGC 6946". Monthly Notices of the Royal Astronomical Society: Letters. 485 (1): L58 – L61. arXiv:1903.00173. Bibcode:2019MNRAS.485L..58E. doi:10.1093/mnrasl/slz030. S2CID 118831398.
Schinnerer, Eva; et, al (2006). "Molecular Gas Dynamics in NGC 6946: A Bar-driven Nuclear Starburst Caught in the Act". The Astrophysical Journal. 649 (1): 181–200. arXiv:astro-ph/0605702. Bibcode:2006ApJ...649..181S. doi:10.1086/506265. S2CID 14717998.
Eibensteiner, Cosima; et, al (2022). "A 2-3 mm high-resolution molecular line survey towards the centre of the nearby spiral galaxy NGC 6946". Astronomy & Astrophysics. 659 (A173): 37. arXiv:2201.02209. Bibcode:2022A&A...659A.173E. doi:10.1051/0004-6361/202142624.
Li, W.; Van Dyk, S.D.; Filippenko, A.V; Cuillandre, J.C. (2005). "On the Progenitor of the Type II Supernova 2004et in NGC 6946". Publications of the Astronomical Society of the Pacific. 117 (828): 121–131. arXiv:astro-ph/0412487. Bibcode:2005PASP..117..121L. doi:10.1086/428278. S2CID 17585230.
Buta, Ronald J; Keel, William C (21 July 2019). "BVRI photometry of the classic Type II-P supernova 2017eaw in NGC 6946: d 3 to d 594". Monthly Notices of the Royal Astronomical Society. 487 (1): 832–844. arXiv:1905.03084. Bibcode:2019MNRAS.487..832B. doi:10.1093/mnras/stz1291. ISSN 0035-8711. S2CID 147703978.
Szalai, Tamás; Vinkó, József; Könyves-Tóth, Réka; Nagy, Andrea P.; Bostroem, K. Azalee; Sárneczky, Krisztián; Brown, Peter J.; Pejcha, Ondrej; Bódi, Attila; Cseh, Borbála; Csörnyei, Géza (29 April 2019). "The Type II-P Supernova 2017eaw: From Explosion to the Nebular Phase". The Astrophysical Journal. 876 (1): 19. arXiv:1903.09048. Bibcode:2019ApJ...876...19S. doi:10.3847/1538-4357/ab12d0. ISSN 1538-4357. S2CID 84842034.
Kilpatrick, Charles; Foley, Ryan (5 September 2018). "The Dusty Progenitor Star of the Type II Supernova 2017eaw". Monthly Notices of the Royal Astronomical Society. 481 (2): 2536–2547. arXiv:1806.00348. doi:10.1093/mnras/sty2435.
Adams, S. M.; Kochanek, C. S.; Gerke, J. R.; Stanek, K. Z.; Dai, X. (2017). "The search for failed supernovae with the Large Binocular Telescope: conformation of a disappearing star". Monthly Notices of the Royal Astronomical Society. 468 (4): 4968–4981. arXiv:1609.01283v1. Bibcode:2017MNRAS.468.4968A. doi:10.1093/mnras/stx816. S2CID 12919545.
Humphreys, Roberta M. (31 October 2019). "Comments on the Progenitor of NGC 6946-BH1". Research Notes of the AAS. 3 (10): 164. arXiv:1911.02037. Bibcode:2019RNAAS...3..164H. doi:10.3847/2515-5172/ab5191. ISSN 2515-5172. S2CID 207880492.

astronomerstelegram.org (Global: low place; English: low place)

Dong, Subo; Stanek, K. Z. (2017). "Confirmation of AT 2017eaw, a Probable Supernova in NGC 6946". The Astronomer's Telegram. 10372: 1. Bibcode:2017ATel10372....1D.
Xiang, Danfeng; Rui, Liming; Wang, Xiaofeng; Fu, Jianning; Xiao, Feng; Zhang, Tianmeng; Zhang, Jujia (2017). "Spectroscopic Classification of SN 2017eaw in NGC 6946 as a Young Type IIP Supernova". The Astronomer's Telegram. 10376: 1. Bibcode:2017ATel10376....1X.

caltech.edu (Global: 887^th place; English: 714^th place)

ned.ipac.caltech.edu

"NASA/IPAC Extragalactic Database". Results for NGC 6946. Retrieved 29 October 2022.
"Nearby Groups of Galaxies". ned.ipac.caltech.edu. Retrieved 3 May 2018.

doi.org (Global: 2^nd place; English: 2^nd place)

Eldridge, J J; Xiao, Lin (2 March 2019). "The distance, supernova rate, and supernova progenitors of NGC 6946". Monthly Notices of the Royal Astronomical Society: Letters. 485 (1): L58 – L61. arXiv:1903.00173. Bibcode:2019MNRAS.485L..58E. doi:10.1093/mnrasl/slz030. S2CID 118831398.
Jarrett, T. H.; Chester, T.; Cutri, R.; Schneider, S. E.; Huchra, J. P. (2003). "The 2MASS Large Galaxy Atlas". The Astronomical Journal. 125 (2): 525–554. Bibcode:2003AJ....125..525J. doi:10.1086/345794. S2CID 117784410.
Efremov, Yu. N. (2016). "Unusual Objects in the Spiral Galaxy NGC 6946". Open Astronomy. 25 (4): 365–376. Bibcode:2016BaltA..25..369E. doi:10.1515/astro-2017-0255.
Schinnerer, Eva; et, al (2006). "Molecular Gas Dynamics in NGC 6946: A Bar-driven Nuclear Starburst Caught in the Act". The Astrophysical Journal. 649 (1): 181–200. arXiv:astro-ph/0605702. Bibcode:2006ApJ...649..181S. doi:10.1086/506265. S2CID 14717998.
Eibensteiner, Cosima; et, al (2022). "A 2-3 mm high-resolution molecular line survey towards the centre of the nearby spiral galaxy NGC 6946". Astronomy & Astrophysics. 659 (A173): 37. arXiv:2201.02209. Bibcode:2022A&A...659A.173E. doi:10.1051/0004-6361/202142624.
Hodge, P.W. (1967). "A Possible "Super-Supernova" Remnant in NGC 6946". Open Astronomy. 79 (466): 466–470. Bibcode:1967PASP...79...29H. doi:10.1515/astro-2017-0255.
Mayall, N. U. (1948). "A Supernova in the Spiral Nebula NGC 6946". Publications of the Astronomical Society of the Pacific. 60 (355): 266. Bibcode:1948PASP...60..266M. doi:10.1086/126065.
Li, W.; Van Dyk, S.D.; Filippenko, A.V; Cuillandre, J.C. (2005). "On the Progenitor of the Type II Supernova 2004et in NGC 6946". Publications of the Astronomical Society of the Pacific. 117 (828): 121–131. arXiv:astro-ph/0412487. Bibcode:2005PASP..117..121L. doi:10.1086/428278. S2CID 17585230.
Buta, Ronald J; Keel, William C (21 July 2019). "BVRI photometry of the classic Type II-P supernova 2017eaw in NGC 6946: d 3 to d 594". Monthly Notices of the Royal Astronomical Society. 487 (1): 832–844. arXiv:1905.03084. Bibcode:2019MNRAS.487..832B. doi:10.1093/mnras/stz1291. ISSN 0035-8711. S2CID 147703978.
Szalai, Tamás; Vinkó, József; Könyves-Tóth, Réka; Nagy, Andrea P.; Bostroem, K. Azalee; Sárneczky, Krisztián; Brown, Peter J.; Pejcha, Ondrej; Bódi, Attila; Cseh, Borbála; Csörnyei, Géza (29 April 2019). "The Type II-P Supernova 2017eaw: From Explosion to the Nebular Phase". The Astrophysical Journal. 876 (1): 19. arXiv:1903.09048. Bibcode:2019ApJ...876...19S. doi:10.3847/1538-4357/ab12d0. ISSN 1538-4357. S2CID 84842034.
Kilpatrick, Charles; Foley, Ryan (5 September 2018). "The Dusty Progenitor Star of the Type II Supernova 2017eaw". Monthly Notices of the Royal Astronomical Society. 481 (2): 2536–2547. arXiv:1806.00348. doi:10.1093/mnras/sty2435.
Adams, S. M.; Kochanek, C. S.; Gerke, J. R.; Stanek, K. Z.; Dai, X. (2017). "The search for failed supernovae with the Large Binocular Telescope: conformation of a disappearing star". Monthly Notices of the Royal Astronomical Society. 468 (4): 4968–4981. arXiv:1609.01283v1. Bibcode:2017MNRAS.468.4968A. doi:10.1093/mnras/stx816. S2CID 12919545.
Humphreys, Roberta M. (31 October 2019). "Comments on the Progenitor of NGC 6946-BH1". Research Notes of the AAS. 3 (10): 164. arXiv:1911.02037. Bibcode:2019RNAAS...3..164H. doi:10.3847/2515-5172/ab5191. ISSN 2515-5172. S2CID 207880492.

gemini.edu (Global: low place; English: low place)

Michaud, Peter (1 January 2015). "Gemini Observatory Welcomes 2005 with Release of Galactic Fireworks Image". NASA. Retrieved 15 October 2017.
"Gemini Observatory Welcomes 2005 with Release of Galactic Fireworks Image", Gemini Observatory, 1 January 2005, retrieved 4 January 2016

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Eldridge, J J; Xiao, Lin (2 March 2019). "The distance, supernova rate, and supernova progenitors of NGC 6946". Monthly Notices of the Royal Astronomical Society: Letters. 485 (1): L58 – L61. arXiv:1903.00173. Bibcode:2019MNRAS.485L..58E. doi:10.1093/mnrasl/slz030. S2CID 118831398.
De Vaucouleurs, Gerard; De Vaucouleurs, Antoinette; Corwin, Herold G.; Buta, Ronald J.; Paturel, Georges; Fouque, Pascal (1991). Third Reference Catalogue of Bright Galaxies. Bibcode:1991rc3..book.....D.
Jarrett, T. H.; Chester, T.; Cutri, R.; Schneider, S. E.; Huchra, J. P. (2003). "The 2MASS Large Galaxy Atlas". The Astronomical Journal. 125 (2): 525–554. Bibcode:2003AJ....125..525J. doi:10.1086/345794. S2CID 117784410.
Sandage, A.; Bedke, J. (1994). The Carnegie Atlas of Galaxies. Volume I. Carnegie Institution of Washington. Bibcode:1994cag..book.....S.
Efremov, Yu. N. (2016). "Unusual Objects in the Spiral Galaxy NGC 6946". Open Astronomy. 25 (4): 365–376. Bibcode:2016BaltA..25..369E. doi:10.1515/astro-2017-0255.
Schinnerer, Eva; et, al (2006). "Molecular Gas Dynamics in NGC 6946: A Bar-driven Nuclear Starburst Caught in the Act". The Astrophysical Journal. 649 (1): 181–200. arXiv:astro-ph/0605702. Bibcode:2006ApJ...649..181S. doi:10.1086/506265. S2CID 14717998.
Eibensteiner, Cosima; et, al (2022). "A 2-3 mm high-resolution molecular line survey towards the centre of the nearby spiral galaxy NGC 6946". Astronomy & Astrophysics. 659 (A173): 37. arXiv:2201.02209. Bibcode:2022A&A...659A.173E. doi:10.1051/0004-6361/202142624.
Hodge, P.W. (1967). "A Possible "Super-Supernova" Remnant in NGC 6946". Open Astronomy. 79 (466): 466–470. Bibcode:1967PASP...79...29H. doi:10.1515/astro-2017-0255.
Ritchie, G. W. (1917). "Ritchie's Nova H. IV. 76 Cephei in N.G.C. 6946". Harvard College Observatory Bulletin. 641: 1. Bibcode:1917BHarO.641....1R.
Mayall, N. U. (1948). "A Supernova in the Spiral Nebula NGC 6946". Publications of the Astronomical Society of the Pacific. 60 (355): 266. Bibcode:1948PASP...60..266M. doi:10.1086/126065.
Rosino, L. (3 February 1971). "New Supernova (1969) in NGC 6946?". Central Bureau for Astronomical Telegrams. 2305. Smithsonian Astrophysical Observatory, IAU: 1. Bibcode:1971IAUC.2305....1R. Retrieved 16 August 2025.
Wild, P.; Barbon, R. (1980). "Supernova in NGC 6946". International Astronomical Union Circular (3532): 1. Bibcode:1980IAUC.3532....1W.
Li, W. (2002). "Supernova 2002hh in NGC 6946". International Astronomical Union Circular (8005): 1. Bibcode:2002IAUC.8005....1L.
Zwitter, T.; Munari, U.; Moretti, S. (2004). "Supernova 2004et in NGC 6946". International Astronomical Union Circular (8413): 1. Bibcode:2004IAUC.8413....1Z.
Li, W.; Van Dyk, S.D.; Filippenko, A.V; Cuillandre, J.C. (2005). "On the Progenitor of the Type II Supernova 2004et in NGC 6946". Publications of the Astronomical Society of the Pacific. 117 (828): 121–131. arXiv:astro-ph/0412487. Bibcode:2005PASP..117..121L. doi:10.1086/428278. S2CID 17585230.
Arbour, R.; Boles, T. (2008). "Supernova 2008S in NGC 6946". Central Bureau Electronic Telegrams (1234): 1. Bibcode:2008CBET.1234....1A.
Dong, Subo; Stanek, K. Z. (2017). "Confirmation of AT 2017eaw, a Probable Supernova in NGC 6946". The Astronomer's Telegram. 10372: 1. Bibcode:2017ATel10372....1D.
Xiang, Danfeng; Rui, Liming; Wang, Xiaofeng; Fu, Jianning; Xiao, Feng; Zhang, Tianmeng; Zhang, Jujia (2017). "Spectroscopic Classification of SN 2017eaw in NGC 6946 as a Young Type IIP Supernova". The Astronomer's Telegram. 10376: 1. Bibcode:2017ATel10376....1X.
Buta, Ronald J; Keel, William C (21 July 2019). "BVRI photometry of the classic Type II-P supernova 2017eaw in NGC 6946: d 3 to d 594". Monthly Notices of the Royal Astronomical Society. 487 (1): 832–844. arXiv:1905.03084. Bibcode:2019MNRAS.487..832B. doi:10.1093/mnras/stz1291. ISSN 0035-8711. S2CID 147703978.
Szalai, Tamás; Vinkó, József; Könyves-Tóth, Réka; Nagy, Andrea P.; Bostroem, K. Azalee; Sárneczky, Krisztián; Brown, Peter J.; Pejcha, Ondrej; Bódi, Attila; Cseh, Borbála; Csörnyei, Géza (29 April 2019). "The Type II-P Supernova 2017eaw: From Explosion to the Nebular Phase". The Astrophysical Journal. 876 (1): 19. arXiv:1903.09048. Bibcode:2019ApJ...876...19S. doi:10.3847/1538-4357/ab12d0. ISSN 1538-4357. S2CID 84842034.
Adams, S. M.; Kochanek, C. S.; Gerke, J. R.; Stanek, K. Z.; Dai, X. (2017). "The search for failed supernovae with the Large Binocular Telescope: conformation of a disappearing star". Monthly Notices of the Royal Astronomical Society. 468 (4): 4968–4981. arXiv:1609.01283v1. Bibcode:2017MNRAS.468.4968A. doi:10.1093/mnras/stx816. S2CID 12919545.
Humphreys, Roberta M. (31 October 2019). "Comments on the Progenitor of NGC 6946-BH1". Research Notes of the AAS. 3 (10): 164. arXiv:1911.02037. Bibcode:2019RNAAS...3..164H. doi:10.3847/2515-5172/ab5191. ISSN 2515-5172. S2CID 207880492.

cbat.eps.harvard.edu

Zwicky, Fritz (2 September 1939). "Supernova in NGC 6946". Central Bureau for Astronomical Telegrams. 793. Observatory Copenhagen, IAU: 1. Retrieved 16 August 2025.
Wild, P.; Dunlap, J. R. (4 March 1968). "Supernova in NGC 6946". Central Bureau for Astronomical Telegrams. 2057. Smithsonian Astrophysical Observatory, IAU: 1. Retrieved 16 August 2025.
Rosino, L. (3 February 1971). "New Supernova (1969) in NGC 6946?". Central Bureau for Astronomical Telegrams. 2305. Smithsonian Astrophysical Observatory, IAU: 1. Bibcode:1971IAUC.2305....1R. Retrieved 16 August 2025.
Wild, P.; Barbon, R. (1980). "Supernova in NGC 6946". International Astronomical Union Circular (3532): 1. Bibcode:1980IAUC.3532....1W.
Li, W. (2002). "Supernova 2002hh in NGC 6946". International Astronomical Union Circular (8005): 1. Bibcode:2002IAUC.8005....1L.
Zwitter, T.; Munari, U.; Moretti, S. (2004). "Supernova 2004et in NGC 6946". International Astronomical Union Circular (8413): 1. Bibcode:2004IAUC.8413....1Z.
Arbour, R.; Boles, T. (2008). "Supernova 2008S in NGC 6946". Central Bureau Electronic Telegrams (1234): 1. Bibcode:2008CBET.1234....1A.

nasa.gov (Global: 75^th place; English: 83^rd place)

Boen, Brooke (20 May 2015). "NGC 6946: The 'Fireworks Galaxy'". NASA. Retrieved 8 December 2016.

oup.com (Global: 485^th place; English: 440^th place)

academic.oup.com

Buta, Ronald J; Keel, William C (21 July 2019). "BVRI photometry of the classic Type II-P supernova 2017eaw in NGC 6946: d 3 to d 594". Monthly Notices of the Royal Astronomical Society. 487 (1): 832–844. arXiv:1905.03084. Bibcode:2019MNRAS.487..832B. doi:10.1093/mnras/stz1291. ISSN 0035-8711. S2CID 147703978.

rochesterastronomy.org (Global: low place; English: low place)

Bishop, David (14 May 2017). "Supernova 2017eaw in NGC 6946". Retrieved 29 September 2023. This is our most prolific galaxy with now 10 confirmed supernovae discovered.
Bishop, David (27 August 2023). "The most prolific galaxies". Retrieved 29 September 2023.

seds.org (Global: 5,388^th place; English: 7,494^th place)

messier.seds.org

"NGC 6946". SEDS. Retrieved 20 November 2017.
"NED data for some important Non-Messier Galaxies".

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Eldridge, J J; Xiao, Lin (2 March 2019). "The distance, supernova rate, and supernova progenitors of NGC 6946". Monthly Notices of the Royal Astronomical Society: Letters. 485 (1): L58 – L61. arXiv:1903.00173. Bibcode:2019MNRAS.485L..58E. doi:10.1093/mnrasl/slz030. S2CID 118831398.
Jarrett, T. H.; Chester, T.; Cutri, R.; Schneider, S. E.; Huchra, J. P. (2003). "The 2MASS Large Galaxy Atlas". The Astronomical Journal. 125 (2): 525–554. Bibcode:2003AJ....125..525J. doi:10.1086/345794. S2CID 117784410.
Schinnerer, Eva; et, al (2006). "Molecular Gas Dynamics in NGC 6946: A Bar-driven Nuclear Starburst Caught in the Act". The Astrophysical Journal. 649 (1): 181–200. arXiv:astro-ph/0605702. Bibcode:2006ApJ...649..181S. doi:10.1086/506265. S2CID 14717998.
Li, W.; Van Dyk, S.D.; Filippenko, A.V; Cuillandre, J.C. (2005). "On the Progenitor of the Type II Supernova 2004et in NGC 6946". Publications of the Astronomical Society of the Pacific. 117 (828): 121–131. arXiv:astro-ph/0412487. Bibcode:2005PASP..117..121L. doi:10.1086/428278. S2CID 17585230.
Buta, Ronald J; Keel, William C (21 July 2019). "BVRI photometry of the classic Type II-P supernova 2017eaw in NGC 6946: d 3 to d 594". Monthly Notices of the Royal Astronomical Society. 487 (1): 832–844. arXiv:1905.03084. Bibcode:2019MNRAS.487..832B. doi:10.1093/mnras/stz1291. ISSN 0035-8711. S2CID 147703978.
Szalai, Tamás; Vinkó, József; Könyves-Tóth, Réka; Nagy, Andrea P.; Bostroem, K. Azalee; Sárneczky, Krisztián; Brown, Peter J.; Pejcha, Ondrej; Bódi, Attila; Cseh, Borbála; Csörnyei, Géza (29 April 2019). "The Type II-P Supernova 2017eaw: From Explosion to the Nebular Phase". The Astrophysical Journal. 876 (1): 19. arXiv:1903.09048. Bibcode:2019ApJ...876...19S. doi:10.3847/1538-4357/ab12d0. ISSN 1538-4357. S2CID 84842034.
Adams, S. M.; Kochanek, C. S.; Gerke, J. R.; Stanek, K. Z.; Dai, X. (2017). "The search for failed supernovae with the Large Binocular Telescope: conformation of a disappearing star". Monthly Notices of the Royal Astronomical Society. 468 (4): 4968–4981. arXiv:1609.01283v1. Bibcode:2017MNRAS.468.4968A. doi:10.1093/mnras/stx816. S2CID 12919545.
Humphreys, Roberta M. (31 October 2019). "Comments on the Progenitor of NGC 6946-BH1". Research Notes of the AAS. 3 (10): 164. arXiv:1911.02037. Bibcode:2019RNAAS...3..164H. doi:10.3847/2515-5172/ab5191. ISSN 2515-5172. S2CID 207880492.

wis-tns.org (Global: low place; English: low place)

"SN 1917A". Transient Name Server. IAU. Retrieved 16 August 2025.
"SN 1939C". Transient Name Server. IAU. Retrieved 16 August 2025.
"SN 1948B". Transient Name Server. IAU. Retrieved 16 August 2025.
"SN 1968D". Transient Name Server. IAU. Retrieved 16 August 2025.
"SN 1969P". Transient Name Server. IAU. Retrieved 16 August 2025.
"SN 1980K". Transient Name Server. IAU. Retrieved 16 August 2025.
"SN 2002hh". Transient Name Server. IAU. Retrieved 16 August 2025.
"SN 2008S". Transient Name Server. IAU. Retrieved 16 August 2025.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Buta, Ronald J; Keel, William C (21 July 2019). "BVRI photometry of the classic Type II-P supernova 2017eaw in NGC 6946: d 3 to d 594". Monthly Notices of the Royal Astronomical Society. 487 (1): 832–844. arXiv:1905.03084. Bibcode:2019MNRAS.487..832B. doi:10.1093/mnras/stz1291. ISSN 0035-8711. S2CID 147703978.
Szalai, Tamás; Vinkó, József; Könyves-Tóth, Réka; Nagy, Andrea P.; Bostroem, K. Azalee; Sárneczky, Krisztián; Brown, Peter J.; Pejcha, Ondrej; Bódi, Attila; Cseh, Borbála; Csörnyei, Géza (29 April 2019). "The Type II-P Supernova 2017eaw: From Explosion to the Nebular Phase". The Astrophysical Journal. 876 (1): 19. arXiv:1903.09048. Bibcode:2019ApJ...876...19S. doi:10.3847/1538-4357/ab12d0. ISSN 1538-4357. S2CID 84842034.
Humphreys, Roberta M. (31 October 2019). "Comments on the Progenitor of NGC 6946-BH1". Research Notes of the AAS. 3 (10): 164. arXiv:1911.02037. Bibcode:2019RNAAS...3..164H. doi:10.3847/2515-5172/ab5191. ISSN 2515-5172. S2CID 207880492.

NGC 6946 (English Wikipedia)

arxiv.org (Global: 69th place; English: 59th place)

astronomerstelegram.org (Global: low place; English: low place)

caltech.edu (Global: 887th place; English: 714th place)

ned.ipac.caltech.edu

doi.org (Global: 2nd place; English: 2nd place)

gemini.edu (Global: low place; English: low place)

harvard.edu (Global: 18th place; English: 17th place)

ui.adsabs.harvard.edu

cbat.eps.harvard.edu

nasa.gov (Global: 75th place; English: 83rd place)

oup.com (Global: 485th place; English: 440th place)

academic.oup.com

rochesterastronomy.org (Global: low place; English: low place)

seds.org (Global: 5,388th place; English: 7,494th place)

messier.seds.org

semanticscholar.org (Global: 11th place; English: 8th place)

api.semanticscholar.org

wis-tns.org (Global: low place; English: low place)

worldcat.org (Global: 5th place; English: 5th place)

search.worldcat.org

arxiv.org (Global: 69^th place; English: 59^th place)

caltech.edu (Global: 887^th place; English: 714^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

harvard.edu (Global: 18^th place; English: 17^th place)

nasa.gov (Global: 75^th place; English: 83^rd place)

oup.com (Global: 485^th place; English: 440^th place)

seds.org (Global: 5,388^th place; English: 7,494^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

worldcat.org (Global: 5^th place; English: 5^th place)