NGC 3028

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Galaxy
NGC 3028
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AladinLite
Constellation Water snake
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 09 h 49 m 54.2 s
declination -19 ° 11 ′ 03 ″
Appearance
Morphological type Sb  
Brightness  (visual) 12.7 mag
Brightness  (B-band) 13.5 likes
Angular expansion 0.9 ′ × 0.8 ′
Position angle 108 °
Surface brightness 12.2 mag / arcmin²
Physical data
Redshift 0.013499 ± 0.000030  
Radial velocity 4047 ± 9 km / s  
Stroke distance
v rad  / H 0
(172 ± 12)  ·  10 6  ly
(52.7 ± 3.7)  Mpc 
history
discovery John Herschel
Discovery date March 23, 1835
Catalog names
NGC  3028 • PGC  28276 • ESO  566-016 • IRAS  09475-1856 • 2MASX  J09495422-1911030 • SGC  094733-1857.1 • NVSS J094954-191103 • LDCE 689 NED002

NGC 3028 is a spiral galaxy of Hubble type Sb in the constellation Hydra south of the ecliptic . It is estimated to be 172 million light years from the Milky Way and about 50,000 light years in diameter.

The object was discovered by John Herschel on March 23, 1835 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 3028
  3. Seligman