NGC 877
Galaxy NGC 877 |
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AladinLite | |
Constellation | Aries |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 02 h 17 m 59.7 s |
declination | + 14 ° 32 ′ 38 ″ |
Appearance | |
Morphological type | SAB (rs) bc / LIRG |
Brightness (visual) | 11.8 mag |
Brightness (B-band) | 12.6 mag |
Angular expansion | 2.4 ′ × 1.9 ′ |
Position angle | 140 ° |
Surface brightness | 13.3 mag / arcmin² |
Physical data | |
Affiliation | LGG 53 |
Redshift | 0.013052 +/- 0.000010 |
Radial velocity | 3913 +/- 3 km / s |
Stroke distance v rad / H 0 |
(178 ± 12) · 10 6 ly (54.5 ± 3.8) Mpc |
history | |
discovery | William Herschel |
Discovery date | October 14, 1784 |
Catalog names | |
NGC 877 • UGC 1768 • PGC 8775 • CGCG 438-52 • MCG + 02-06-58 • IRAS 02152 + 1418 • 2MASX J02175963 + 1432387 • GC 523 • H III-486 • h 216 • LDCE 158 NED003 |
NGC 877 is a bar-spiral galaxy with an active nucleus of the Hubble type SBbc in the constellation Aries south of the ecliptic . It is estimated to be 178 million light years away from the Milky Way and has a diameter of around 125,000 ly. Together with NGC 876 , it forms a gravitationally bound galaxy pair.
The galaxies NGC 870 and NGC 871 are located in the same area of the sky .
The object was discovered on October 14, 1784 by the astronomer William Herschel using an 18.7-inch telescope .
Web links
Commons : NGC 877 - collection of images, videos, and audio files