NGC 4236
Galaxy NGC 4236 |
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Admission of GALEX | |
AladinLite | |
Constellation | Dragon |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 16 m 42.1 s |
declination | + 69 ° 27 ′ 45 ″ |
Appearance | |
Morphological type | SB (s) dm |
Brightness (visual) | 10.1 mag |
Brightness (B-band) | 10.7 mag |
Angular expansion | 21.9 ′ × 7.2 ′ |
Position angle | 162 ° |
Surface brightness | 15.4 mag / arcmin² |
Physical data | |
Affiliation |
M81 group NGC 2403 group LGG 176 |
Redshift | 0.000000 ± 0.000013 |
Radial velocity | 0 ± 4 km / s |
Stroke distance v rad / H 0 |
(6 ± 0) x 10 6 ly (1.73 ± 0.15) Mpc |
diameter | 75,000 ly |
history | |
discovery | Wilhelm Herschel |
Discovery date | April 6, 1793 |
Catalog names | |
NGC 4236 • UGC 7306 • PGC 39346 • MCG + 12-12-004 • IRAS 12140 + 6947 • 2MASX J12164211 + 6927452 • GC 2825 • H V 51 • h 1163 • Kara 523 • HOLM 357A • LDCE 842 NED007 |
NGC 4236 is a bar-spiral galaxy of the Hubble type SB (n) dm in the constellation Dragon in the northern sky . It is estimated to be 6 million light years from the Milky Way . Together with LEDA 2731233 it forms the galaxy pair Holm 357 and is considered a member of the M81 group .
The object was discovered on April 6, 1793 by the German-British astronomer Wilhelm Herschel .
Web links
- SIMBAD Astronomical Database
- Spektrum.de : Amateur recordings [1]