NGC 1521

from Wikipedia, the free encyclopedia
Galaxy
NGC 1521
{{{Card text}}}
NGC 1521 [1]
NGC 1521
AladinLite
Constellation Eridanus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 04 h 08 m 18.93 s
declination -21 ° 03 ′ 07.1 ″
Appearance
Morphological type E3: / LINER  
Brightness  (visual) 11.6 mag
Brightness  (B-band) 12.6 mag
Angular expansion 2.70 × 1.6
Position angle 10 °
Surface brightness 13.3 mag / arcmin²
Physical data
Redshift 0.014153 ± 0.000040  
Radial velocity 4243 ± 12 km / s  
Stroke distance
v rad  / H 0
(185 ± 13)  x  10 6  ly
(56.7 ± 4.0)  Mpc 
history
discovery John Herschel
Discovery date November 21, 1835
Catalog names
NGC  1521 • PGC  14520 • ESO  550-011 • MCG  -04-10-015 • 2MASX  J04081893-2103069 • SGC  040608-2111.0 • h  2612 • GALEX ASC J040818.85-210307.0 • USGC S138 NED04 • NVSS J040818-210305

NGC 1521 is an elliptical galaxy with an active nucleus of the Hubble type E3 in the constellation Eridanus south of the celestial equator . It is estimated to be 185 million light years from the Milky Way and about 150,000 light years across.

In the same area of ​​the sky is u. a. the galaxy NGC 1518 .

The object was discovered by John Herschel on November 21, 1835 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 1521
  4. Seligman