NGC 4919

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Galaxy
NGC 4919
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Image of the galaxy NGC 4919 with the help of the 81 cm reflecting telescope of the Mount Lemmon Observatory
Image of the galaxy NGC 4919 with the help of the 81 cm reflecting telescope of the Mount Lemmon Observatory
AladinLite
Constellation Berenike's hair
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 13 h 01 m 17.6 s
declination + 27 ° 48 ′ 33 ″
Appearance
Morphological type (R ') SA (r) 0 ^ 0 ^  
Brightness  (visual) 14.0 mag
Brightness  (B-band) 15.0 mag
Angular expansion 1.1 ′ × 0.7 ′
Position angle 140 °
Surface brightness 13.6 mag / arcmin²
Physical data
Affiliation Coma Galaxy
Cluster Abell 1656  
Redshift 0.024464 +/- 0.000028  
Radial velocity 7334 +/- 8 km / s  
Stroke distance
v rad  / H 0
(328 ± 23)  x  10 6  ly
(100.7 ± 7.0)  Mpc 
history
discovery Heinrich d'Arrest
Discovery date May 5, 1864
Catalog names
NGC  4919 • UGC  8133 • PGC  44885 • CGCG  160-094 • MCG  + 05-31-097 • GC  5708 • LDCE 0926 NED060

NGC 4919 is a 14.0 likes bright galaxy from the Hubble type S0 in the constellation Coma Berenices , which is about 328 million light-years from the Milky Way's center. It belongs to the Coma galaxy cluster and was discovered on May 5, 1864 by Heinrich Louis d'Arrest , who noted "very faint, very small, second of four". The other three objects, NGC 4911 , NGC 4921 and NGC 4923 , had already been discovered by Wilhelm Herschel in 1785 .

Web links

  • NGC 4919. SIMBAD, accessed February 22, 2015 .
  • NGC 4919. DSO Browser, accessed February 22, 2015 .

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4919
  3. Seligman
  4. Auke Slotegraaf: NGC 4919. Deep Sky Observer's Companion, accessed on February 22, 2015 (English).