NGC 6816 (other designations - PGC 63587 , ESO 460-30 , MCG -5-46-6 ) is a galaxy in the constellation Sagittarius .
| NGC 6816 | |
|---|---|
| Galaxy | |
| Research history | |
| Discoverer | John Herschel |
| opening date | July 30, 1834 |
| Designations | NGC 6816 , PGC 63587 , ESO 460-30 , MCG -5-46-6 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Sagittarius |
| Right ascension | |
| Declination | |
| Visible dimensions | 1.2 '× 0.8' |
| Apparent magnitude m V | 12.7 |
| Photographic magnitude m B | 13.7 |
| Specifications | |
| Type of | E-s0 |
| Radial velocity | |
| Redshift | +0.020241 |
| Distance | |
| Angular position | 77 ° |
| Surface brightness | 12.7 |
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
- List of NGC 6816 publications
- ↑ 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 - 2007. - Vol. 655, Iss. 2. - P. 790–813. - doi: 10.1086 / 510201 - arXiv: astro-ph / 0610732