Astronomy:NGC 938

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NGC 938
File:250px
SDSS image of NGC 938
Observation data (J2000 epoch)
ConstellationAries
Right ascension 02h 28m 33.51968s[1]
Declination+20° 17′ 01.3642″[1]
Redshift0.013653[2]
Helio radial velocity4065 km/s[2]
Distance179.2 Mly (54.94 Mpc)[3]
Apparent magnitude (B)13.8[2]
Characteristics
TypeE3[4]
Other designations
UGC 1947, MCG+03-07-017, PGC 9423[2]

NGC 938 is an elliptical galaxy located in the constellation Aries, approximately 184 million light years from the Milky Way. It was discovered by the Prussian astronomer Heinrich d'Arrest in 1863.[5][6][7]

One supernova has been observed in NGC 938: SN 2015ab (type Ia, mag. 17.3) was discovered 10 July 2015 by Kōichi Itagaki.[8][9]

See also

References

  1. ↑ 1.0 1.1 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. 
  2. ↑ 2.0 2.1 2.2 2.3 "NGC 938". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+938. 
  3. ↑ Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal 655 (2): 790–813. doi:10.1086/510201. Bibcode: 2007ApJ...655..790C. 
  4. ↑ Martín-Navarro, Ignacio; Vazdekis, Alexandre; Falcón-Barroso, Jesús; La Barbera, Francesco; Yıldırım, Akın; Van De Ven, Glenn (2018). "Timing the formation and assembly of early-type galaxies via spatially resolved stellar populations analysis". Monthly Notices of the Royal Astronomical Society 475 (3): 3700. doi:10.1093/mnras/stx3346. Bibcode: 2018MNRAS.475.3700M. 
  5. ↑ Ford, Dominic. "The galaxy NGC 938 - In-The-Sky.org" (in en). https://in-the-sky.org/data/object.php?id=NGC938. 
  6. ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=ngc+938&img_stamp=YES. 
  7. ↑ "Revised NGC Data for NGC 938". http://spider.seds.org/ngc/revngcic.cgi?NGC938. 
  8. ↑ "SN 2015ab". IAU. https://www.wis-tns.org/object/2015ab. 
  9. ↑ "SN 2015ab". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=SN+2015ab. 



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