NGC 502
| Galaxy NGC 502 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 22 m 55.5 s |
| declination | + 09 ° 02 ′ 57 ″ |
| Appearance | |
| Morphological type | SA (r) 0 ^ 0 ^ |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.1 ′ × 1 ′ |
| Position angle | 66 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 524 group LGG 23 |
| Redshift | 0.008279 ± 0.000163 |
| Radial velocity | 2472 ± 49 km / s |
|
Stroke distance v rad / H 0 |
(117 ± 8) · 10 6 ly (35.8 ± 2.5) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | September 25, 1862 |
| Catalog names | |
| NGC 502 • UGC 922 • PGC 5034 • CGCG 411-040 • MCG + 01-04-043 • 2MASX J01225553 + 0902570 • GC 293 • Ark 38 • LDCE 85 NED006 | |
NGC 502 is a lenticular galaxy of the Hubble type S0 in the constellation Pisces on the ecliptic . It is an estimated 117 million light-years from the Milky Way and about 40,000 light-years across.
In the same area of the sky are u. a. the galaxies NGC 489 , NGC 505 , NGC 509 , NGC 518 .
The object was discovered on September 25, 1862 by the German-Danish astronomer Heinrich Ludwig d'Arrest .