NGC 987 (other designations - UGC 2093 , MCG 5-7-21 , MK 1180 , ZWG 505.23 , IRAS02338 + 3306 , PGC 9911 ) is a galaxy in the constellation Triangle .
| NGC 987 | |
|---|---|
| Galaxy | |
| Research history | |
| Discoverer | William Herschel |
| opening date | September 12, 1784 |
| Designations | NGC 987 , UGC 2093 , MCG 5-7-21 , MK 1180 , ZWG 505.23 , IRAS02338 + 3306 , PGC 9911 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Triangle |
| Right ascension | |
| Declination | |
| Visible dimensions | 1.6 '× 1.1' |
| Apparent magnitude m V | 12.5 |
| Photographic magnitude m B | 13,4 |
| Specifications | |
| Type of | SB0-a |
| Radial velocity | and |
| Redshift | +0.015020 ± 0.000177 |
| Distance | |
| Angular position | 39 ° |
| Surface brightness | 13.0 |
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 987 Publication List
- ↑ 1 2 Gültekin K. , Remco CE van den Bosch HUNTING FOR SUPERMASSIVE BLACK HOLES IN NEARBY GALAXIES WITH THE HOBBY – EBERLY TELESCOPE // The Astrophysical Journal : Supplement Series - 2015 .-- T. 218, no. 1. - P. 10. - ISSN 0067-0049 ; 1538-4365 - doi: 10.1088 / 0067-0049 / 218/1/10
- ↑ 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