NGC 939 is a lenticular or elliptical galaxy in the constellation Eridanus. It is estimated to be 241 million light-years from the Milky Way[3] and has a diameter of approximately 80,000 ly. NGC 939 was discovered on October 18, 1835 by astronomer John Herschel.[5][6]
| NGC 939 | |
|---|---|
 DECam image of NGC 939 | |
| Observation data (J2000 epoch) | |
| Constellation | Eridanus |
| Right ascension | 02h 26m 21.312s[1] |
| Declination | −44° 26′ 46.08″[1] |
| Redshift | 0.017186[2] |
| Heliocentric radial velocity | 5108 km/s[2] |
| Distance | 241.4 ± 17.0 Mly (74.01 ± 5.22 Mpc)[3] |
| Apparent magnitude (B) | 14.06[2] |
| Characteristics | |
| Type | S0/a[2]/E[4] |
| Other designations | |
| MCG -07-06-004, PGC 9271[2] | |
NGC 939 is better seen from the southern hemisphere because of its location south of the celestial equator.[7]
See also
References
External links
Media related to NGC 939 at Wikimedia Commons
