NGC 1989

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Galaxy
NGC 1989
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NGC 1989 DSS.jpg
AladinLite
Constellation Dove
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 05 h 34 m 23.4 s
declination -30 ° 48 ′ 04 ″
Appearance
Morphological type SA (s) 0 - :; E / D  
Brightness  (visual) 13.1 mag
Brightness  (B-band) 14.1 mag
Angular expansion 1.4 ′ × 1.1 ′
Position angle 106 °
Surface brightness 13.6 mag / arcmin²
Physical data
Affiliation Abell S0536  
Redshift 0.035755 +/- 0.000087  
Radial velocity 10719 +/- 26 km / s  
Stroke distance
v rad  / H 0
(471 ± 33)  ·  10 6  ly
(144.5 ± 10.1)  Mpc 
history
discovery John Herschel
Discovery date January 28, 1835
Catalog names
NGC  1989 • PGC  17464 • ESO  423-021 • MCG  -05-14-004 • 2MASX  J05342343-3048035 • SGC  053229-3050.0 •

NGC 1989 is an elliptical galaxy of the Hubble type E-S0 in the constellation Dove in the southern sky . It is estimated to be 471 million light-years away from the Milky Way and has a diameter of about 200,000 ly
. a. the galaxy NGC 1992 .

The object was discovered by John Herschel on January 28, 1835 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 1989
  3. Seligman