NGC 631
| Galaxy NGC 631 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 36 m 47.0 s |
| declination | + 5 ° 50 ′ 07 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.0 ′ × 0.8 ′ |
| Position angle | 123 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.018793 ± 0.000070 |
| Radial velocity | 5634 ± 21 km / s |
|
Stroke distance v rad / H 0 |
(255 ± 18) · 10 6 ly (78.1 ± 5.5) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 27, 1864 |
| Catalog names | |
| NGC 631 • UGC 1153 • PGC 5983 • ESO 297-009 • CGCG 412-006 • MCG + 01-05-007 • 2MASX J01364707 + 0550074 • GC 5190 • GALEX ASC J013647.00 + 055005.9 | |
NGC 631 is an elliptical galaxy from the Hubble type E2 in the constellation fish on the ecliptic . It is estimated to be 255 million light-years away from the Milky Way and has a diameter of about 75,000 ly
. a. the galaxies NGC 632 and NGC 645 .
The object was discovered on October 27, 1864 by the German astronomer Albert Marth .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 631. Deep Sky Observer's Companion, accessed September 3, 2015 .