Delta Cephei (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Delta Cephei" in Catalan language version.

refsWebsite

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15doi.org

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8google.cat

1,849^th place

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6wikidata.org

43^rd place

170^th place

3harvard.edu

18^th place

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1nasa.gov

75^th place

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1arxiv.org

69^th place

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arxiv.org (Global: 69^th place; Catalan: 186^th place)

Engle, Scott G.; Guinan, Edward F.; Harper, Graham M.; Neilson, Hilding R.; Remage Evans, Nancy «The Secret Lives of Cepheids: Evolutionary Changes and Pulsation-induced Shock Heating in the Prototype Classical Cepheid δ Cep». The Astrophysical Journal, 794, 1, 2014, pàg. 80. arXiv: 1409.8628. Bibcode: 2014ApJ...794...80E. DOI: 10.1088/0004-637X/794/1/80.

doi.org (Global: 2^nd place; Catalan: 6^th place)

dx.doi.org

Howard E. Bond «Binary Cepheids: separations and mass ratios in 5 M_{sun}_binaries» (en anglès). Astronomical Journal, 4, 11-09-2013, pàg. 93. DOI: 10.1088/0004-6256/146/4/93.
David L. Lambert «The distribution of the elements in the galactic disk. III. A reconsideration of Cepheids from l = 30{deg} to 250{deg}». Astronomical Journal, 2011, pàg. 136. DOI: 10.1088/0004-6256/142/4/136.
«APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South». Astronomical Journal, 3, 9-2020. DOI: 10.3847/1538-3881/ABA592.
«C, N, O and na abundances of cepheid variables: implications on the mixing process in the envelope» (en anglès). Monthly Notices of the Royal Astronomical Society, 2013, pàg. 769–792. DOI: 10.1093/MNRAS/STT528.
Goodricke, J.; Bayer «A Series of Observations on, and a Discovery of, the Period of the Variation of the Light of the Star Marked Formula by Bayer, Near the Head of Cepheus. In a Letter from John Goodricke, Esq. To Nevil Maskelyne, D. D. F. R. S. And Astronomer Royal». Philosophical Transactions of the Royal Society of London, 76, 1786, pàg. 48–61. DOI: 10.1098/rstl.1786.0002.
Engle, Scott G.; Guinan, Edward F.; Harper, Graham M.; Neilson, Hilding R.; Remage Evans, Nancy «The Secret Lives of Cepheids: Evolutionary Changes and Pulsation-induced Shock Heating in the Prototype Classical Cepheid δ Cep». The Astrophysical Journal, 794, 1, 2014, pàg. 80. arXiv: 1409.8628. Bibcode: 2014ApJ...794...80E. DOI: 10.1088/0004-637X/794/1/80.
Majaess, D.; Turner, D.; Gieren, W. «New Evidence Supporting Cluster Membership for the Keystone Calibrator Delta Cephei». Astrophysical Journal, 747, 2, 2012, p. 145. DOI: 10.1088/0004-637X/747/2/145.
de Zeeuw, P. T.; Hoogerwerf, R.; de Bruijne, J. H. J.; Brown, A. G. A. «A HIPPARCOS Census of the Nearby OB Associations». Astronomical Journal, 117, 1, 1999, p. 354–399. DOI: 10.1086/300682.
Benedict, G. Fritz; McArthur, B. E.; Fredrick, L. W.; Harrison, T. E. «Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator δ Cephei». Astronomical Journal, 124, 3, 2002, p. 1695. DOI: 10.1086/342014.
Benedict, G. Fritz; McArthur, B. E.; Fredrick, L. W.; Harrison, T. E. «Astrometry with the Hubble Space Telescope: A Parallax of the Fundamental Distance Calibrator δ Cephei». The Astronomical Journal, 124, 3, 2002, p. 1695–1705. DOI: 10.1086/342014.
Anderson, R.I. «Revealing δ Cephei's Secret Companion and Intriguing Past». The Astrophysical Journal, 804, 2, 5-2015, p. 144–155. DOI: 10.1088/0004-637X/804/2/144.
Fernie, J.D. «Classical Cepheids with companions. I. Delta Cephei». The Astronomical Journal, 71, 1966, p. 119-122. DOI: 10.1086/109866.
Matthews, L. D.; Marengo, M.; Evans, N. R.; Bono, G. «New Evidence for Mass Loss from δ Cephei from H I 21 cm Line Observations». The Astrophysical Journal, 744, 1, 1-2012, p. 53. DOI: 10.1088/0004-637X/744/1/53.
Neilson, Hilding R.; Lester, John B. «On the Enhancement of Mass Loss in Cepheids Due to Radial Pulsation». The Astrophysical Journal, 684, 1, 9-2008, p. 569–587. DOI: 10.1086/588650.
Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. «A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun». Monthly Notices of the Royal Astronomical Society, 410, 1, 1-2011, p. 190–200. DOI: 10.1111/j.1365-2966.2010.17434.x.

google.cat (Global: 1,849^th place; Catalan: 2^nd place)

books.google.cat

Enrique, Aparicio Arias. Cuatro estrellas referenciales (en castellà). Universidad de Alicante, 2022-12-01, p. 71. ISBN 978-84-1302-200-0.
Henarejos, Philippe. Guía de astronomía (en castellà). Ediciones AKAL, 2008-03-01, p. 278. ISBN 978-84-460-2805-5.
Lévy, David. Guía celeste (en castellà). Ediciones AKAL, 2003-06-06, p. 65. ISBN 978-84-8323-350-4.
Borgia, Michael. Human Vision and The Night Sky: How to Improve Your Observing Skills (en anglès). Springer Science & Business Media, 2006-12-11, p. 217. ISBN 978-0-387-46322-3.
Ron, José Manuel Sánchez. El poder de la ciencia: Historia social, política y económica de la ciencia (siglos XIX-XXI) (en castellà). Editorial Crítica, 2022-03-16, p. XIX. ISBN 978-84-9199-405-3.
García, Vicent Josep Martínez. Marineros que surcan los cielos: La aventura de descubrir el universo (en castellà). Universitat de València, 2011-11-28, p. 72. ISBN 978-84-370-8486-2.
nacional, Havana (Cuba) Observatorio. Boletín oficial del Observatorio Nacional: Edición mensual del negociado de meteorología (en castellà). Departamento de Inspección, Estado Mayor General, Marina de Guerra., 1927, p. 13.
Hoskin, Michael. The Cambridge Concise History of Astronomy (en anglès). Cambridge University Press, 1999-03-18, p. 172. ISBN 978-0-521-57600-0.

harvard.edu (Global: 18^th place; Catalan: 40^th place)

adsabs.harvard.edu

Percy, John R «Astronomers Celebrate Cepheid Bicentenary». Journal of the Royal Astronomical Society of Canada Newsletter, 78, 12-1984, pàg. L76. Bibcode: 1984JRASC..78L..76P.
Engle, Scott G.; Guinan, Edward F.; Harper, Graham M.; Neilson, Hilding R.; Remage Evans, Nancy «The Secret Lives of Cepheids: Evolutionary Changes and Pulsation-induced Shock Heating in the Prototype Classical Cepheid δ Cep». The Astrophysical Journal, 794, 1, 2014, pàg. 80. arXiv: 1409.8628. Bibcode: 2014ApJ...794...80E. DOI: 10.1088/0004-637X/794/1/80.

ui.adsabs.harvard.edu

An Infrared Nebula Associated with δ Cephei: Evidence of Mass Loss?

nasa.gov (Global: 75^th place; Catalan: 51^st place)

heasarc.gsfc.nasa.gov

Samus, N. N.; Durlevich, O. V. «GCVS - General Catalog of Variable Stars», 01-04-2011. [Consulta: 1r abril 2012]. Nota: cerqueu a 'del cep' després de seleccionar el camp 'period'.

wikidata.org (Global: 43^rd place; Catalan: 170^th place)

Howard E. Bond «Binary Cepheids: separations and mass ratios in 5 M_{sun}_binaries» (en anglès). Astronomical Journal, 4, 11-09-2013, pàg. 93. DOI: 10.1088/0004-6256/146/4/93.
«Gaia Early Data Release 3» (en anglès). VizieR Online Data Catalog, 03-12-2020, pàg. I/350.
Afirmat a: The HYG Database.
David L. Lambert «The distribution of the elements in the galactic disk. III. A reconsideration of Cepheids from l = 30{deg} to 250{deg}». Astronomical Journal, 2011, pàg. 136. DOI: 10.1088/0004-6256/142/4/136.
«APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South». Astronomical Journal, 3, 9-2020. DOI: 10.3847/1538-3881/ABA592.
«C, N, O and na abundances of cepheid variables: implications on the mixing process in the envelope» (en anglès). Monthly Notices of the Royal Astronomical Society, 2013, pàg. 769–792. DOI: 10.1093/MNRAS/STT528.

Delta Cephei (Catalan Wikipedia)

arxiv.org (Global: 69th place; Catalan: 186th place)

doi.org (Global: 2nd place; Catalan: 6th place)