NGC 7387

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Galaxy
NGC 7387
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SDSS recording
SDSS recording
AladinLite
Constellation Pegasus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 22 h 50 m 17.6 s
declination + 11 ° 38 ′ 12 ″
Appearance
Morphological type S0:  
Brightness  (visual) 14.3 mag
Brightness  (B-band) 15.3 mag
Angular expansion 0.7 ′ × 0.4 ′
Position angle 48 °
Surface brightness 12.8 mag / arcmin²
Physical data
Affiliation NGC-7386 group  
Redshift 0.023743 +/- 0.000037  
Radial velocity 7118 +/- 11 km / s  
Stroke distance
v rad  / H 0
(326 ± 23)  x  10 6  ly
(99.8 ± 7.0)  Mpc 
history
discovery RJ Mitchell
Discovery date September 9, 1856
Catalog names
NGC  7387 • PGC  69834 • CGCG  430-019 • MCG  + 02-58-022 • 2MASX  J22501765 + 1138125 • LDCE 1538 NED003

NGC 7387 is a lenticular galaxy of the Hubble type S0 in the constellation Pegasus in the northern sky . It is estimated to be 326 million light years away from the Milky Way and has a diameter of about 65,000 ly. With NGC 7386 it forms a gravitationally bound galaxy pair.
In the same area of ​​the sky are the galaxies NGC 7383 , NGC 7385 , NGC 7389 , NGC 7390 , among others .

The object was discovered on September 9, 1856 by RJ Mitchell , an assistant to William Parsons .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 7387
  3. Seligman