NGC 2554

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Galaxy
NGC 2554
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NGC 2554 with PGC 23251 (r) [1]
NGC 2554 with PGC 23251 (r)
AladinLite
Constellation cancer
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 08 h 17 m 53.5 s
declination + 23 ° 28 ′ 20 ″
Appearance
Morphological type S0 / a  
Brightness  (visual) 12.0 mag
Brightness  (B-band) 12.9 mag
Angular expansion 3.2 ′ × 2.4 ′
Position angle 147 °
Surface brightness 14.0 mag / arcmin²
Physical data
Affiliation Cancer cluster
NGC 2554 group
LGG 157  
Redshift 0.013870 ± 0.000033  
Radial velocity 4158 ± 10 km / s  
Stroke distance
v rad  / H 0 		(183 ± 13)  ·  10 6  ly
(56.0 ± 3.9)  Mpc 
history
discovery William Herschel
Discovery date February 28, 1785
Catalog names
NGC  2554 • UGC  4312 • PGC  23256 • CGCG  119-033 • MCG  + 04-20-015 • IRAS  08149 + 2337 • 2MASX  J08175347 + 2328195 • GC  1640 • H  II 303 • h  497 • GALEX ASC J081753.49 + 232818.6 • LDCE 565 NED005

NGC 2554 is a lenticular galaxy of the Hubble type S0 / a in the constellation Cancer on the ecliptic . It is estimated to be 183 million light years from the Milky Way and about 175,000 light years across.
Together with IC 2248 , IC 2269 , PGC 23169 , PGC 23193 and PGC 23420 , it forms the NGC 2554 group .

The Type Ia supernova SN 2013gq was observed here.

The object was discovered by Wilhelm Herschel on February 28, 1785 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 2554
  4. ^ VizieR
  5. ↑ Simbad
  6. ↑ Seligman