NGC 4984

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Galaxy
data from NGC 4984
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Two Micron All Sky Survey (2MASS1.3m)
Two Micron All Sky Survey (2MASS1.3m)
AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 13 h 08 m 57.2 s
declination -15 ° 30 ′ 59 ″
Appearance
Morphological type (R) SAB (rs) 0+  
Brightness  (visual) 11.3 mag
Brightness  (B-band) 12.2 mag
Angular expansion 3.6 ′ × 2.5 ′
Position angle 18 °
Surface brightness 13.5 mag / arcmin²
Physical data
Affiliation NGC 4856 group ( Virgo II group )  
Redshift (4266 ± 20)  ·  10 −6  
Radial velocity 1279 ± 6 km / s  
Stroke distance
v rad  / H 0
(52 ± 3)  x  10 6  ly
(16.0 ± 1.0)  Mpc 
diameter 50,000 ly
history
discovery William Herschel
Discovery date February 8, 1785
Catalog names
NGC  4984 • PGC  45585 • MCG  -02-34-04 • IRAS  13062-1514 • 2MASX  J13085721-1530586 • GC  3420 • H  II 301 • h  1536 • 2SZ: 6 • LDCE 0904 NED299

NGC 4984 is a lenticular galaxy of the Hubble type SB0-a and lies in the constellation Virgo on the ecliptic . It is an estimated 55 million light years away from the Milky Way and is around 50,000 ly in diameter.

The object was discovered by William Herschel on February 8, 1785 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 4984
  3. Seligman