NGC 4694

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Galaxy
NGC 4694
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SDSS recording
SDSS recording
AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 48 m 15.1 s
declination + 10 ° 59 ′ 01 ″
Appearance
Morphological type SB0 / HII  
Brightness  (visual) 11.1 mag
Brightness  (B-band) 12.1 mag
Angular expansion 3.3 ′ × 1.6 ′
Position angle 140 °
Surface brightness 12.8 mag / arcmin²
Physical data
Affiliation Virgo cluster
Messier 49 group
NGC 4636 group
NGC 4343 group
LGG 292  
Redshift 0.003869 ± 0.000008  
Radial velocity (1160 ± 2) km / s  
Stroke distance
v rad  / H 0
(50 ± 4)  x  10 6  ly
(15.2 ± 1.1)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 15, 1784
Catalog names
NGC  4694 • UGC  7969 • PGC  43241 • CGCG  071-044 • MCG  + 02-33-023 • IRAS  12457 + 1115 • 2MASX  J12481509 + 1059010 • VCC  2066 • GC  3225 • H  II 72 • h  1434 • HIPASS J1247 + 10 • LDCE 904 NED250 • EVCC 1171

NGC 4694 is a lenticular galaxy with extensive star formation regions of the Hubble type SB0 in the constellation Virgo on the ecliptic . It is estimated to be 50 million light-years from the Milky Way and about 50,000 light-years across. She is listed as a member of the Virgo galaxy cluster under catalog number VCC 2066 . In the same area of ​​the sky are u. a. the galaxies NGC 4733 , IC 3727 , IC 3773 , IC 3775 .

The object was discovered on March 15, 1784 by the astronomer Wilhelm Herschel using his 18.7 inch mirror telescope.

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f g SEDS : NGC 4694
  3. ^ VizieR
  4. Seligman