NGC 4645 (other designations - ESO 322-66 , MCG -7-26-37 , DCL 168 , PGC 42879 ) is an elliptical galaxy ( E ) in the constellation Centaurus .
| NGC 4645 | |
|---|---|
| Galaxy | |
| Research history | |
| Discoverer | John Herschel |
| opening date | June 8, 1834 |
| Designations | NGC 4645 , ESO 322-66 , MCG -7-26-37 , DCL 168 , PGC 42879 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Centaurus |
| Right ascension | |
| Declination | |
| Visible dimensions | 2.2 '× 1.4' |
| Apparent magnitude m V | 11.8 |
| Photographic magnitude m B | 12.8 |
| Specifications | |
| Type of | E |
| Radial velocity | |
| Redshift | +0.008586 ± 0.000217 |
| Distance | |
| Angular position | 52 ° |
| Surface brightness | 13.1 |
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
- SIMBAD
- VizieR (English)
- NASA / IPAC Extragalactic Database
- NGC 4645 Publications List
- ↑ 1 2 R. Brent Tully, Courtois H. M., Sorce J. G. COSMICFLOWS-3 // Astron. J. / J. G. III - IOP Publishing , 2016 .-- Vol. 152, Iss. 2. - P. 50. - ISSN 0004-6256 ; 1538-3881 - doi: 10.3847 / 0004-6256 / 152/2/50
- ↑ 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