NGC 3184

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Galaxy
NGC 3184
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NGC 3184 [1] SDSS image
NGC 3184 SDSS image
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 18 m 16.8 s
declination + 41 ° 25 ′ 27 ″
Appearance
Morphological type SAB (rs) cd / HII  
Brightness  (visual) 9.6 likes
Brightness  (B-band) 10.3 mag
Angular expansion 7 ′, 4 × 6 ′, 9
Position angle 135 °
Surface brightness 13.7 mag / arcmin²
Physical data
Affiliation (isolated)  
Redshift 0.001975 ± 0.000003  
Radial velocity 592 ± 1 km / s  
Stroke distance
v rad  / H 0
(27 ± 2)  x  10 6  ly
(8.17 ± 0.57)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 18, 1787
Catalog names
NGC  3184 • UGC  5557 • PGC  30087 • CGCG  211-038 • MCG  + 07-21-037 • IRAS  10152 + 4140 • KUG  1015 + 416 • 2MASX  J10181698 + 4125277 • GC  2053 • H  I 168 • h  689 • LDCE 743 NED001

NGC 3184 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBc in the constellation Great Bear in the northern sky . The galaxy is an estimated 27 million light years from the Milky Way and is 60,000 light years across.
In the same area of ​​the sky is u. a. the galaxy NGC 3179 .

The supernovae SN 1921B (type-II), SN 1921C (type-I), SN 1937F (TypIIP) and SN 1999gi (TypIIP) were observed here.

The object was discovered by Wilhelm Herschel on March 18, 1787 . As it turns out, the objects cataloged in the NGC catalog as NGC 3180 and NGC 3181 are H-II regions within NGC 3184.

Infrared image of NGC 3184 from the Spitzer Space Telescope

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e f NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e SEDS
  4. Simbad