NGC 442

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Galaxy
data from NGC 442
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SDSS image of the galaxy NGC 442
SDSS image from the galaxy NGC 442
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 14 m 38.6 s
declination -01 ° 01 ′ 14 ″
Appearance
Morphological type S0 / a: sp  
Brightness  (visual) 13.6 mag
Brightness  (B-band) 14.5 mag
Angular expansion 1 ′ × 0.5 ′
Position angle 157 °
Surface brightness 12.7 mag / arcmin²
Physical data
Redshift 0.018640 ± 0.000053  
Radial velocity 5588 ± 16 km / s  
Stroke distance
v rad  / H 0
(252 ± 18)  x  10 6  ly
(77.4 ± 5.4)  Mpc 
history
discovery Lewis A. Swift
Discovery date October 21, 1886
Catalog names
NGC  442 • UGC  789 • PGC  4484 • CGCG  385-041 • MCG  + 00-04-054 • IRAS  01121-0116 • PRC C-9, LDCE 0066 NED013

NGC 442 is a lenticular galaxy in the constellation Whale , approximately 252 million light years from the Milky Way .

The galaxy was discovered on October 21, 1886 by the American astronomer Lewis A. Swift .

Web links

Commons : NGC 442  - collection of images, videos, and audio files

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 442
  3. Seligman