NGC 155

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Galaxy
data from NGC 155
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SDSS recording
SDSS recording
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 00 h 34 m 40.1 s
declination -10 ° 45 ′ 59 ″
Appearance
Morphological type S0 ^ 0 ^ / pec  
Brightness  (visual) 13.3 mag
Brightness  (B-band) 14.3 mag
Angular expansion 1.7 ′ × 1.3 ′
Position angle 175 °
Surface brightness 14.0 mag / arcmin²
Physical data
Affiliation Abell 85  
Redshift 0.020714 ± 0.000060  
Radial velocity 6210 ± 18 km / s  
Stroke distance
v rad  / H 0
(280 ± 20)  x  10 6  ly
(85.8 ± 6.0)  Mpc 
history
discovery Lewis A. Swift
Discovery date September 1, 1886
Catalog names
NGC  155 • PGC  2076 • MCG  -02-02-055 • 2MASX  J00344011-1045593 • GALEX ASC J003440.15-104558.1 • LDCE 32 NED001

NGC 155 is a lenticular galaxy of the Hubble-type S0 in the constellation Whale south of the celestial equator . It is an estimated 280 million light years away from the Milky Way and about 140,000 light years in diameter .
The galaxies NGC 163 and NGC 165 are located in the same area of ​​the sky .

The object was discovered on September 1, 1886 by the American astronomer Lewis A. Swift .

Web links

Commons : NGC 155  - 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 155
  3. Seligman