NGC 4869

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Galaxy
NGC 4869
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SDSS recording
SDSS recording
AladinLite
Constellation Berenike's hair
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 59 m 23.3 s
declination + 27 ° 54 ′ 42 ″
Appearance
Morphological type E3 / PAS  
Brightness  (visual) 13.8 mag
Brightness  (B-band) 14.8 mag
Angular expansion 0.8 ′ × 0.7 ′
Position angle 69 °
Surface brightness 13.2 mag / arcmin²
Physical data
Affiliation Coma Galaxy
Cluster Abell 1656  
Redshift 0.022879 +/- 0.000030  
Radial velocity 6859 +/- 9 km / s  
Stroke distance
v rad  / H 0 		(307 ± 22)  x  10 6  ly
(94.1 ± 6.6)  Mpc 
history
discovery Wilhelm Herschel
Discovery date April 11, 1785
Catalog names
NGC  4869 • PGC  44587 • CGCG  160-225 • MCG  + 05-31-065 • GC  3344 • H  II 388 • h  1501 •

NGC 4869 is a 13.8 mag bright elliptical galaxy (and at the same time a radio galaxy ) of the Hubble type E3 in the constellation Haar der Berenike . The galaxy is about 307 million light years from the Milky Way.

NGC 4869 belongs to the Coma galaxy cluster and was discovered together with NGC 4872 or NGC 4874 on April 11, 1785 by Wilhelm Herschel with an 18.7-inch reflecting telescope, which only noted "two of them".

Web links

  • NGC 4869. SIMBAD, accessed February 18, 2015 .
  • NGC 4869. DSO Browser, accessed February 18, 2015 .

Individual evidence

  1. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. ↑ a b c d e SEDS : NGC 4869
  3. ↑ Seligman assigns the discovery of NGC 4872 to Heinrich d'Arrest and the discovery of NGC 4874 to Wilhelm Herschel, while Slotegraaf trades these discoveries.
  4. ↑ Seligman
  5. ↑ Auke Slotegraaf: NGC 4869. Deep Sky Observer's Companion, accessed on February 18, 2015 (English).