NGC 3801
Galaxy NGC 3801 |
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SDSS recording | |
AladinLite | |
Constellation | lion |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 11 h 40 m 16.9 s |
declination | + 17 ° 43 ′ 41 ″ |
Appearance | |
Morphological type | S0 / a / LINER |
Brightness (visual) | 12.0 mag |
Brightness (B-band) | 13.0 likes |
Angular expansion | 2.5 ′ × 1.6 ′ |
Position angle | 120 ° |
Surface brightness | 14.1 mag / arcmin² |
Physical data | |
Affiliation | NGC 3800 group WBL 347 LGG 246 |
Redshift | 0.011064 ± 0.000007 |
Radial velocity | 3317 ± 2 km / s |
Stroke distance v rad / H 0 |
(145 ± 10) · 10 6 ly (44.6 ± 3.1) Mpc |
history | |
discovery | William Herschel |
Discovery date | April 17, 1784 |
Catalog names | |
NGC 3801 • UGC 6635 • PGC 36200 • CGCG 097-051 • MCG + 03-30-040 • 2MASX J11401689 + 1743404 • GC 2490 • H II 161 • h 939 • GALEX ASC J114017.05 + 174339.2 • LDCE 831 NED008 • HOLM 273A |
NGC 3801 is a lenticular galaxy with an active nucleus of the Hubble type S0 in the constellation Leo north of the ecliptic . It is an estimated 145 million light years away from the Milky Way and about 110,000 light years in diameter. Together with NGC 3802 , it forms the bound galaxy pair Holm 273 .
In the same area of the sky are u. a. the galaxies NGC 3790 , NGC 3803 , NGC 3806 , NGC 3807 .
The object was discovered on April 17, 1784 by the astronomer William Herschel with his 18.7-inch reflector telescope.
Web links
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