NGC 7787

from Wikipedia, the free encyclopedia
Galaxy
NGC 7787
{{{Card text}}}
NGC 7787 [1]
NGC 7787
AladinLite
Constellation fishes
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 23 h 56 m 07.823 s
declination + 00 ° 32 ′ 58.14 ″
Appearance
Morphological type (R ') SB (rs) 0 / a:  
Brightness  (visual) 14.4 mag
Brightness  (B-band) 15.3 mag
Angular expansion 1.8 ′ × 0.5 ′
Position angle 104 °
Surface brightness 14.2 mag / arcmin²
Physical data
Redshift 0.022228 ± 0.000094  
Radial velocity 6664 ± 28 km / s  
Stroke distance
v rad  / H 0 		(303 ± 21)  x  10 6  ly
(92.8 ± 6.5)  Mpc 
history
discovery Albert Marth
Discovery date October 23, 1864
Catalog names
NGC  7787 • UGC  12849 • PGC  72930 • CGCG  382-003 • MCG  + 00-01-005 • IRAS  23535 + 0016 • 2MASX  J23560780 + 0032578 • 2MASS J23560781 + 0032580 • NSA 5609 • WISEA J235607.82 + 003257.9

NGC 7787 is a lenticular galaxy of the Hubble type S0 / a in the constellation Pisces on the ecliptic . It is estimated to be 303 million light years from the Milky Way and about 160,000 light years in diameter. Presumably it forms a gravitationally bound galaxy pair together with PGC 72912 . In the same area of ​​the sky are u. a. the galaxies NGC 7783 and IC 1517 .

The object was discovered by Albert Marth on October 23, 1864 .

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 7787
  4. ↑ Seligman