NGC 3454
Galaxy NGC 3454 |
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SDSS recording | |
AladinLite | |
Constellation | lion |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 10 h 54 m 29.5 s |
declination | + 17 ° 20 ′ 39 ″ |
Appearance | |
Morphological type | SB (s) c? / HII |
Brightness (visual) | 13.3 mag |
Brightness (B-band) | 14.0 mag |
Angular expansion | 2.1 'x 0.4' |
Position angle | 116 ° |
Surface brightness | 13.0 mag / arcmin² |
Physical data | |
Affiliation |
NGC 3370 group LGG 219 |
Redshift | 0.003673 ± 0.000005 |
Radial velocity | 1101 ± 1 km / s |
Stroke distance v rad / H 0 |
(46 ± 3) x 10 6 ly (14.0 ± 1.0) Mpc |
history | |
discovery | John Herschel |
Discovery date | March 17, 1831 |
Catalog names | |
NGC 3454 • UGC 6026 • PGC 32763 • CGCG 095-060 • MCG + 03-28-030 • IRAS F10518 + 1736 • 2MASX J10542945 + 1720385 • NSA 138320 • LDCE 778 NED012 • KPG 257A • HOLM 221B |
NGC 3454 is a bar-spiral galaxy with extensive star formation areas of the Hubble type SBc in the constellation Leo on the ecliptic . It is an estimated 46 million light years from the Milky Way and about 35,000 light years across. Together with NGC 3455 , it forms the galaxy pair Holm 221 or KPG 257 .
In the same area of the sky are u. a. the galaxies NGC 3443 , NGC 3457 , NGC 3461 , IC 656 .
The object was discovered by John Herschel on March 17, 1831 .
Web links
Commons : NGC 3454 - collection of images, videos, and audio files