NGC 4708

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Galaxy
NGC 4708
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AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 49 m 41.5 s
declination -11 ° 05 ′ 35 ″
Appearance
Morphological type SA (r) ex  
Brightness  (visual) 13.8 mag
Brightness  (B-band) 14.6 mag
Angular expansion 1.2 x 0.9
Position angle 55 °
Surface brightness 13.7 mag / arcmin²
Physical data
Redshift 0.013896 +/- 0.000027  
Radial velocity 4166 +/- 8 km / s  
Stroke distance
v rad  / H 0
(181 ± 13)  ·  10 6  ly
(55.5 ± 3.9)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 11, 1788
Catalog names
NGC  4708 • PGC  43382 • MCG  -02-33-016 • IRAS  12470-1049 • 2MASX  J12494148-1105350 • GC  3236 • H  III 722 • NVSS J124941-110537 • LDCE 921 NED008 • HOLM 463A

NGC 4708 is a 13.8 likes bright spiral galaxy of Hubble type Sab in the constellation Virgo to the ecliptic . It is an estimated 181 million light years away from the Milky Way and about 65,000 light years in diameter. Together with LEDA 970118 it forms the galaxy pair Holm 463 .
In the same area of ​​the sky are u. a. the galaxies NGC 4680 , NGC 4700 , NGC 4742 .

The supernovae SN 2003ef (type II), SN 2005bo ( type Ia ) and NAME ATLAS 16bdg (type Ia) were observed here.

The object was discovered on March 11, 1788 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "eF, S".

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4708
  3. Simbad
  4. Seligman
  5. Auke Slotegraaf : NGC 4708. Deep Sky Observer's Companion, accessed on February 4, 2015 (English).