NGC 2551
| Galaxy NGC 2551 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | giraffe |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 08 h 24 m 50.3 s |
| declination | + 73 ° 24 ′ 43 ″ |
| Appearance | |
| Morphological type | SA (s) 0 / a |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 1.60 × 1.0 |
| Position angle | 55 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 2633 group LGG 160 |
| Redshift | 0.007819 ± 0.000037 |
| Radial velocity | 2344 ± 11 km / s |
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Stroke distance v rad / H 0 |
(110 ± 8) x 10 6 ly (33.8 ± 2.4) Mpc |
| history | |
| discovery | Ernst Temple |
| Discovery date | April 9, 1882 |
| Catalog names | |
| NGC 2551 • UGC 4362 • PGC 23608 • CGCG 331-040 • MCG + 12-08-038 • 2MASX J08245029 + 7324432 • GALEX ASC J082450.30 + 732445.0 • LDCE 587 NED002 | |
NGC 2551 is a spiral galaxy of Hubble type Sa in the constellation Giraffe at the northern sky . It is estimated to be 110 million light years from the Milky Way and about 50,000 light years in diameter.
The galaxies NGC 2544 and NGC 2550 are located in the same area of the sky .
The type II supernova SN 2003hr was observed here.
The object was discovered on April 9, 1882 by the astronomer Ernst Wilhelm Leberecht Tempel with a 28 cm telescope.