NGC 3838

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Galaxy
NGC 3838
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NGC 3838 [1]
NGC 3838
AladinLite
Constellation Big Bear
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 11 h 44 m 13.756 s
declination + 57 ° 56 ′ 53.62 ″
Appearance
Morphological type SA0 / a?  
Brightness  (visual) 12.3 mag
Brightness  (B-band) 13.3 mag
Angular expansion 1.4 '× 0.6'
Position angle 141 °
Surface brightness 12.2 mag / arcmin²
Physical data
Affiliation NGC 3795 group
LGG 244  
Redshift 0.004363 ± 0.000017  
Radial velocity 1308 ± 5 km / s  
Stroke distance
v rad  / H 0 		(62 ± 4)  ·  10 6  ly
(19.1 ± 1.3)  Mpc 
history
discovery William Herschel
Discovery date March 18, 1790
Catalog names
NGC  3838 • UGC  6707 • PGC  36505 • CGCG  292-022 • MCG  + 10-17-056 • 2MASX  J11441372 + 5756531 • GC  2520 • H  II 831 • h  959 • 2MASS J11441375 + 5756536 • LDCE 867 NED034 • SDSS J114413.76 +575653.5 • WISEA J114413.75 + 575653.5

NGC 3838 is a lens-shaped galaxy of the Hubble-type S0 / a in the Great Bear in the northern sky . It is an estimated 62 million light years away from the Milky Way and about 25,000 light years in diameter. Together with PGC 36585, it forms a gravitationally bound galaxy pair and is considered a member of the NGC 3795 group ( LGG 244 ).

The object was discovered by Wilhelm Herschel on March 18, 1790 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 3838
  4. ^ VizieR
  5. ↑ Seligman