NGC 3938 (Chinese Wikipedia)
Analysis of information sources in references of the Wikipedia article "NGC 3938" in Chinese language version.
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arxiv.org
- Jiménez-Vicente, J.; E. Battaner; M. Rozas; H. Castañeda; et al. Fabry-Perot observations of the ionized gas in NGC 3938 (PDF). Astronomy and Astrophysics (EDP Sciences). 1999: 417–425 [25 June 2014]. Bibcode:1999A&A...342..417J. arXiv:astro-ph/9811391
. （原始内容 (PDF)存档于2022-03-19）.
atlasoftheuniverse.com
- The Ursa Major Groups. Atlas of the Universe. [30 December 2011]. （原始内容存档于2018-08-01）.
harvard.edu
ui.adsabs.harvard.edu
- van der Kruit, P.C.; Shostak, G.S. Studies of Nearly Face-on Spiral Galaxies (PDF). Astronomy and Astrophysics (EDP Sciences). 1982: 351–358 [25 June 2014]. Bibcode:1982A&A...105..351V. （原始内容 (PDF)存档于2022-03-19）.
- Jiménez-Vicente, J.; E. Battaner; M. Rozas; H. Castañeda; et al. Fabry-Perot observations of the ionized gas in NGC 3938 (PDF). Astronomy and Astrophysics (EDP Sciences). 1999: 417–425 [25 June 2014]. Bibcode:1999A&A...342..417J. arXiv:astro-ph/9811391 . （原始内容 (PDF)存档于2022-03-19）.
articles.adsabs.harvard.edu
- van der Kruit, P.C.; Shostak, G.S. Studies of Nearly Face-on Spiral Galaxies (PDF). Astronomy and Astrophysics (EDP Sciences). 1982: 351–358 [25 June 2014]. Bibcode:1982A&A...105..351V. （原始内容 (PDF)存档于2022-03-19）.
- Jiménez-Vicente, J.; E. Battaner; M. Rozas; H. Castañeda; et al. Fabry-Perot observations of the ionized gas in NGC 3938 (PDF). Astronomy and Astrophysics (EDP Sciences). 1999: 417–425 [25 June 2014]. Bibcode:1999A&A...342..417J. arXiv:astro-ph/9811391 . （原始内容 (PDF)存档于2022-03-19）.
kopernik.org
- George Normandin. Spiral Galaxy NGC 3839. kopernik.org. 5 May 2005 [30 December 2011]. （原始内容存档于2016-03-04）.
rochesterastronomy.org
- Supernova 2005ay in NGC 3938. Rochester Astronomy. [29 January 2013]. （原始内容存档于2016-09-09）.
- Supernovae 2017ein in NGC 3938. www.rochesterastronomy.org. [29 June 2017]. （原始内容存档于2018-11-24） （英语）.
spacetelescope.org
- Artist's impression of progenitor star to a type Ic supernova. www.spacetelescope.org. [20 November 2018]. （原始内容存档于2018-11-20）.
web.archive.org
- George Normandin. Spiral Galaxy NGC 3839. kopernik.org. 5 May 2005 [30 December 2011]. （原始内容存档于2016-03-04）.
- The Ursa Major Groups. Atlas of the Universe. [30 December 2011]. （原始内容存档于2018-08-01）.
- van der Kruit, P.C.; Shostak, G.S. Studies of Nearly Face-on Spiral Galaxies (PDF). Astronomy and Astrophysics (EDP Sciences). 1982: 351–358 [25 June 2014]. Bibcode:1982A&A...105..351V. （原始内容 (PDF)存档于2022-03-19）.
- Jiménez-Vicente, J.; E. Battaner; M. Rozas; H. Castañeda; et al. Fabry-Perot observations of the ionized gas in NGC 3938 (PDF). Astronomy and Astrophysics (EDP Sciences). 1999: 417–425 [25 June 2014]. Bibcode:1999A&A...342..417J. arXiv:astro-ph/9811391 . （原始内容 (PDF)存档于2022-03-19）.
- Supernova 2005ay in NGC 3938. Rochester Astronomy. [29 January 2013]. （原始内容存档于2016-09-09）.
- Supernovae 2017ein in NGC 3938. www.rochesterastronomy.org. [29 June 2017]. （原始内容存档于2018-11-24） （英语）.
- Artist's impression of progenitor star to a type Ic supernova. www.spacetelescope.org. [20 November 2018]. （原始内容存档于2018-11-20）.