NGC 3913
| Galaxy NGC 3913 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 50 m 38.9 s |
| declination | + 55 ° 21 ′ 14 ″ |
| Appearance | |
| Morphological type | (R ') SA (rs) d: |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 2.6 ′ × 2.6 ′ |
| Surface brightness | 14.7 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 241 |
| Redshift | 0.003182 +/- 0.000013 |
| Radial velocity | 954 +/- 4 km / s |
|
Stroke distance v rad / H 0 |
(46 ± 3) · 10 6 ly (14.1 ± 1.0) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 14, 1789 |
| Catalog names | |
| NGC 3913 • IC 740 • UGC 6813 • PGC 37024 • CGCG 268-92 • CGCG 269-004 • MCG + 09-20-01 • IRAS 11480 + 5537 • KUG 1148 + 556 • 2MASX J11503892 + 5521139 • GC 2576 • H II 786 • | |
NGC 3913 = IC 740 is a spiral galaxy of the Hubble type SA (rs) d? in the constellation Great Bear in the northern sky , which is an estimated 46 million light years from the Milky Way . Together with nine other galaxies, it forms the NGC 3631 group or LGG 241 .
The object was discovered on April 14, 1789 by the astronomer William Herschel with his 18.7 inch reflecting telescope (listed as NGC ). It was rediscovered on May 8, 1890 by Lewis Swift ( listed as IC ).
High-resolution image of the center of the galaxy, taken with the Hubble Space Telescope