NGC 18
 | |
| Observation data EpochJ2000EquinoxJ2000 | |
|---|---|
| Constellation | Pegasus[1] |
| Right ascension | 00h09m23s[1] |
| Declination | +27° 43′ 56″[1] |
| Apparent magnitude(V) | 14[1] |
| Other designations | |
| Database references | |
| SIMBAD | Pul-3 10207 |
| Pul-3 10208 | |
NGC 18is adouble starsystem located in the constellation ofPegasus.[1]It was first recorded byHerman Schultzon 15 October 1866. It was looked for but not found byÉdouard Stephanon 2 October 1882. It was independently observed byGuillaume Bigourdanin November 1886.[1]
Both stars are2528±20light-years away, and based on this distance have a minimum separation of approximately 2,700astronomical units,an unusually wide separation for a binary system.
See also
[edit]References
[edit]- ^abcdefSeligman, Courtney (March 2010)."NGC Objects: NGC 1 - 49".Celestial Atlas.Retrieved27 October2010.
- ^"Pul-3 10207".SIMBAD.Centre de données astronomiques de Strasbourg.Retrieved31 January2018.
- ^"Pul-3 10208".SIMBAD.Centre de données astronomiques de Strasbourg.Retrieved31 January2018.
External links
[edit]
Media related toNGC 18at Wikimedia Commons
