NGC 3931 (other designations - NGC 3917A , ZWG 269.9 , UGC 6925 , NPM1G +52.0151 , MCG 9-20-11 , ZWG 268.96 , PGC 37073 ) is a galaxy in the constellation Ursa Major .
| NGC 3931 | |
|---|---|
| Galaxy | |
| Research history | |
| Discoverer | William Herschel |
| opening date | April 12, 1789 |
| Designations | NGC 3931 , NGC 3917A , ZWG 269.9 , UGC 6925 , NPM1G +52.0151 , MCG 9-20-11 , ZWG 268.96 , PGC 37073 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Big Dipper |
| Right ascension | 11 h 51 m 13.4 s |
| Declination | + 52 ° 00 ′ 05 ″ |
| Visible dimensions | 1.1 '× 0.9' |
| Apparent magnitude m V | 13.9 |
| Photographic magnitude m B | 14.9 |
| Characteristics | |
| Type of | E-s0 |
| Included in | , and |
| Radial velocity | |
| Redshift | +0.003052 ± 0.000213 |
| Distance | |
| Angular position | 160 ° |
| Surface brightness | 14.0 |
| Database Information | |
| SIMBAD | |
This object has been entered into the new general catalog several times, with the designations NGC 3931 , NGC 3917A .
This object is one of those listed in the original edition of the New General Catalog .
See also
- List of Messier objects
- New shared directory
Links
- Information in English and French from the original “ New General Catalog ”
- Information (Eng.) From the Revised New General Catalog
- VizieR (English)
- NASA / IPAC Extragalactic Database
- NGC 3931 Publication List
- ↑ 1 2 3 SIMBAD Astronomical Database
- ↑ R. Brent Tully Galaxy groups: a 2MASS catalog // Astron. J. / J. G. III - IOP Publishing , 2015 .-- ISSN 0004-6256 ; 1538-3881 - doi: 10.1088 / 0004-6256 / 149/5/171
- ↑ Masters K. L. Groups of Galaxies in the Two Micron All Sky Redshift Survey // The Astrophysical Journal Letters - IOP Publishing , 2007 .-- Vol. 655, Iss. 2. - P. 790–813. - ISSN 2041-8205 ; 2041-8213 - doi: 10.1086 / 510201 - arXiv: astro-ph / 0610732