NGC 877

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Galaxy
NGC 877
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NGC 0877 DSS.jpg
AladinLite
Constellation Aries
Position
equinoxJ2000.0 , epoch : J2000.0
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

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 877
  3. Seligman