| NGC 903 | |
|---|---|
 legacy surveys image of NGC 903 (right) and NGC 904 | |
| Observation data (J2000 epoch) | |
| Constellation | Aries |
| Right ascension | 02h 24m 00.89555s[1] |
| Declination | +27° 21′ 23.1264″[1] |
| Redshift | 0.01682[2] |
| Heliocentric radial velocity | 5000 km/s[2] |
| Distance | 231.0 ± 16.2 Mly (70.83 ± 4.97 Mpc)[3] |
| Apparent magnitude (B) | 16.71[4] |
| Other designations | |
| PGC 9097[2] | |
NGC 903 is a lenticular galaxy in the constellation Aries. It is estimated to be about 230 million light-years from the Milky Way[3] and has a diameter of approximately 35,000 ly. NGC 903 was discovered on 13 December 1884 by the astronomer Edouard Stephan.[5][6]
- ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
- ^ a b c "NGC 903". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-25.
- ^ a b "Results for object NGC 0903 (NGC 903)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-25.
- ^ "Search specification: NGC 903". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2020-05-25.
- ^ Ford, Dominic. "The galaxy NGC 903 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-21.
- ^ "Revised NGC Data for NGC 903". spider.seds.org. Retrieved 2020-03-21.