NGC 842 (other designations - MCG −1-6-55 , PGC 8258 ) is a lenticular galaxy ( S0 ) in the constellation Keith .
| NGC 842 | |
|---|---|
| Galaxy | |
| Research history | |
| Discoverer | John Herschel |
| opening date | January 8, 1831 |
| Designations | NGC 842 , MCG -1-6-55 , PGC 8258 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Whale |
| Right ascension | |
| Declination | |
| Visible dimensions | 1.6 '× 0.8' |
| Apparent magnitude m V | 12.7 |
| Photographic magnitude m B | 13.7 |
| Specifications | |
| Type of | S0 |
| Radial velocity | |
| Redshift | +0.012649 ± 0.000344 |
| Distance | |
| Angular position | 150 ° |
| Surface brightness | 12.9 |
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 842 Publication 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