NGC 57
Galaxy NGC 57 |
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NGC 57 ( SDSS image) | |
AladinLite | |
Constellation | fishes |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 00 h 15 m 30.9 s |
declination | + 17 ° 19 ′ 43 ″ |
Appearance | |
Morphological type | E. |
Brightness (visual) | 11.8 mag |
Brightness (B-band) | 12.8 mag |
Angular expansion | 2.2 ′ × 1.9 ′ |
Position angle | 40 ° |
Surface brightness | 13.4 mag / arcmin² |
Physical data | |
Affiliation | NGC 57 group |
Redshift | 0.018146 ± 0.000073 |
Radial velocity | 5381 ± 24 km / s |
Stroke distance v rad / H 0 |
(250 ± 18) x 10 6 ly (76.5 ± 5.4) Mpc |
history | |
discovery | Wilhelm Herschel |
Discovery date | October 8, 1784 |
Catalog names | |
NGC 57 • UGC 145 • PGC 1037 • CGCG 456-046 • MCG + 03-01-31 • 2MASX J00153087 + 1719422 • H II 241 • H II 243 • h 13 • GALEX ASC J001530.94 + 171943.0 • LDCE 11 NED003 |
NGC 57 is an elliptical galaxy from the Hubble type E1 in the constellation fish on the ecliptic . It is about 250 million light years from the Milky Way and is estimated to be 160,000 light years in diameter.
In the same area of the sky is u. a. the galaxy IC 4 .
The Type Ia supernovae SN 2010dq and SN 2011fp were observed here.
The object was discovered on October 8, 1784 by the German-British astronomer Wilhelm Herschel .
Web links
Commons : NGC 57 - collection of images, videos and audio files