NGC 42
Galaxy NGC 42 |
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SDSS image from NGC 42, (lo PGC 212483) | |
AladinLite | |
Constellation | Pegasus |
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 .