NGC 3144

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Galaxy
NGC 3144 / NGC 3174
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NGC 3144 [1]
NGC 3144
AladinLite
Constellation Dragon
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 15 m 32.18 s
declination + 74 ° 13 ′ 13.0 ″
Appearance
Morphological type SB (s) from  
Brightness  (visual) 13.3 mag
Brightness  (B-band) 14.3 mag
Angular expansion 1.2 ′ × 0.7 ′
Position angle 5 °
Surface brightness 13.0 mag / arcmin²
Physical data
Redshift 0.021502  
Radial velocity 6446 km / s  
Stroke distance
v rad  / H 0
(294 ± 21)  x  10 6  ly
(90.0 ± 6.3)  Mpc 
history
discovery Wilhelm Herschel
Heinrich d'Arrest
Discovery date April 2, 1802
September 25, 1865
Catalog names
NGC  3144 • NGC 3174 • UGC  5519 • PGC  29949 • CGCG  333-020 • CGCG 351-011 • IRAS  F10111 + 7428 • 2MASX  J10153223 + 7413129 • GC  2045 • H  III 964 • 2MASS J10153207 + 741313413 • WISEA J101532.13

NGC 3144 = NGC 3174 is a bar-spiral galaxy of the Hubble type SBa in the constellation Dragon in the northern sky . It is an estimated 294 million light years from the Milky Way and about 100,000 light years across.

In the same area of ​​the sky are u. a. the galaxies NGC 3147 and NGC 3155 .

The type IIb supernova SN 2008gx was observed here.

The object was discovered by Heinrich Louis d'Arrest on September 25, 1865 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 3144
  4. Simbad
  5. ^ VizieR
  6. Seligman