NGC 4770

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Galaxy
NGC 4770
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AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 53 m 32.1 s
declination -09 ° 32 ′ 29 ″
Appearance
Morphological type S0-a  
Brightness  (visual) 12.9 mag
Brightness  (B-band) 13.8 mag
Angular expansion 1.5 ′ × 0.8 ′
Position angle 90 °
Surface brightness 13.0 mag / arcmin²
Physical data
Redshift 0.012168 +/- 0.000117  
Radial velocity 3648 +/- 35 km / s  
Stroke distance
v rad  / H 0
(158 ± 11)  ·  10 6  ly
(48.5 ± 3.4)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 25, 1786
Catalog names
NGC  4770 • PGC  43804 • MCG  -01-33-040 • 2MASX  J12533215-0932294 • GC  3282 • H  III 525 • USGC S189 NED14 • LDCE 0921 NED033

NGC 4770 is a 12.9 mag bright lenticular galaxy of the Hubble type S0-a in the constellation Virgo on the ecliptic . It is an estimated 158 million light years from the Milky Way and about 75,000 light years in diameter .
The galaxies NGC 4761 , NGC 4764 , NGC 4778 , IC 3859 are located in the same area of ​​the sky .

The object was discovered on March 25, 1786 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as “vF, vS”.

Web links

  • NGC 4770. SIMBAD, accessed February 4, 2015 .
  • NGC 4770. DSO Browser, accessed February 4, 2015 .

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c SEDS: NGC 4770
  3. Seligman
  4. Auke Slotegraaf: NGC 4770. Deep Sky Observer's Companion, accessed on February 4, 2015 (English).