NGC 4872

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Galaxy
NGC 4872
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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 34.0 s
declination + 27 ° 56 ′ 49 ″
Appearance
Morphological type SB0 / AGN  
Brightness  (visual) 14.4 mag
Brightness  (B-band) 15.4 mag
Angular expansion 0.5 ′ × 0.3 ′
Position angle 123 °
Surface brightness 12.2 mag / arcmin²
Physical data
Affiliation Abell 1656  
Redshift 0.023993 +/- 0.000007  
Radial velocity 7193 +/- 2 km / s  
Stroke distance
v rad  / H 0 		(322 ± 23)  x  10 6  ly
(98.7 ± 6.9)  Mpc 
history
discovery Wilhelm Herschel
Discovery date April 11, 1785
Catalog names
NGC  4872 • PGC  44624 • CGCG  160-230 • MCG  + 05-31-068 • GC  3347 • H  II 389 • h  1502 •

NGC 4872 is a 14.4 mag bright galaxy with an active nucleus of the Hubble type SB0 in the constellation Haar der Berenike . It is estimated to be 321 million light years from the Milky Way .

It was discovered on April 11, 1785 by Wilhelm Herschel with an 18.7-inch reflecting telescope, who only noted "two of them".

Web links

  • NGC 4872. SIMBAD, accessed February 18, 2015 .
  • NGC 4872. 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 4872
  3. ↑ Slotegraaf assigns the discovery of NGC 4872 to Wilhelm Herschel and the discovery of NGC 4874 to Heinrich d'Arrest, while Seligman exchanges these discoveries.
  4. ↑ Auke Slotegraaf: NGC 4872. Deep Sky Observer's Companion, accessed on February 18, 2015 (English).
  5. ↑ Seligman