NGC 2991
Galaxy NGC 2991 |
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SDSS recording | |
AladinLite | |
Constellation | lion |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 09 h 46 m 50.1 s |
declination | + 22 ° 00 ′ 50 ″ |
Appearance | |
Morphological type | S0 |
Brightness (visual) | 12.5 mag |
Brightness (B-band) | 13.5 likes |
Angular expansion | 1.40 ′ × 1.1 ′ |
Position angle | 138 ° |
Surface brightness | 12.9 mag / arcmin² |
Physical data | |
Redshift | 0.024867 ± 0.000097 |
Radial velocity | (7455 ± 29) km / s |
Stroke distance v rad / H 0 |
(330 ± 23) x 10 6 ly (101.1 ± 7.1) Mpc |
history | |
discovery | John Herschel |
Discovery date | February 24, 1827 |
Catalog names | |
NGC 2991 • UGC 5233 • PGC 28079 • CGCG 122-078 NED02 • MCG + 04-23-033 • 2MASX 09465011 + 2200504 • KPG 214B |
NGC 2991 is a lenticular galaxy of the Hubble type S0 in the constellation Leo on the ecliptic . It is an estimated 330 million light years from the Milky Way .
The object was discovered by John Herschel on February 24, 1827 .
Web links
Commons : NGC 2991 - collection of images, videos, and audio files