NGC 42
| Galaxy NGC 42 |
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|---|---|
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| SDSS image from NGC 42, (lo PGC 212483) | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 12 m 56.3 s |
| declination | + 22 ° 06 ′ 01 ″ |
| Appearance | |
| Morphological type | S0-: |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 1.1 ′ × 0.6 ′ |
| Position angle | 113.8 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.019950 ± 0.000117 |
| Radial velocity | 5981 ± 35 km / s |
|
Stroke distance v rad / H 0 |
(274 ± 19) x 10 6 ly (84.1 ± 5.9) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 30, 1864 |
| Catalog names | |
| NGC 42 • UGC 118 • PGC 867 • CGCG 478-43 • MCG + 04-01-41 • 2MASX J00125636 + 2206009 • GC 5091 • NPM1G +21.0007 • Marth 7 | |
NGC 42 is an elliptical galaxy in the constellation Pegasus . It is about 274 million light years away from the Milky Way Milky Way and has a diameter of about 95,000 light years.
NGC 42 and NGC 41 are only a few arc minutes apart and appear to be the same distance so that they could be bound together by gravity .
The object was discovered on October 30, 1864 by the German astronomer Albert Marth .