NGC 3516

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Galaxy
NGC 3516
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Photo from the Hubble Space Telescope
Photo from the Hubble Space Telescope
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 11 h 06 m 47.5 s
declination + 72 ° 34 ′ 07 ″
Appearance
Morphological type (R) SB (s) 0 ^ 0 ^: / Sy1.5  
Brightness  (visual) 11.5 likes
Brightness  (B-band) 12.5 mag
Angular expansion 1.9 ′ × 1.4 ′
Position angle 30 °
Surface brightness 12.4 mag / arcmin²
Physical data
Affiliation LGG 224  
Redshift 0.008836 +/- 0.000023  
Radial velocity 2649 +/- 7 km / s  
Stroke distance
v rad  / H 0
(124 ± 9)  ·  10 6  ly
(38.0 ± 2.7)  Mpc 
history
discovery William Herschel
Discovery date April 3, 1785
Catalog names
NGC  3516 • UGC  6153 • PGC  33623 • CGCG  334-011 • MCG  + 12-11-009 • IRAS  11033 + 7250 • 2MASX  J11064749 + 7234066 • GC  2298 • H  II 336 • h  816 • LDCE 760 NED003

NGC 3516 is a lenticular galaxy with an active nucleus of the Hubble type SB0 in the constellation Great Bear. It is an estimated 124 million light years away from the Milky Way and has a diameter of about 65,000 ly.
The galaxy exhibits an extraordinary fluctuation in brightness over time in the X-ray range .

The object was discovered on April 3, 1785 by the astronomer William Herschel with an 18.7-inch telescope and is recorded in the New General Catalog .

Web links

Commons : NGC 3516  - collection of images, videos, and audio files

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 3516
  3. ^ VizieR
  4. Seligman