NGC 2989 (other designations - ESO 566-9 , MCG-3-25-20 , IRAS09430-1808 , PGC 27962 ) is a galaxy in the constellation Hydra .
| NGC 2989 | |
|---|---|
| Galaxy | |
| Research history | |
| Discoverer | John Herschel |
| opening date | February 12, 1836 |
| Designations | NGC 2989 , ESO 566-9 , MCG -3-25-20 , IRAS09430-1808 , PGC 27962 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Hydra |
| Right ascension | |
| Declination | |
| Visible dimensions | 1.7 '× 0.9' |
| Apparent magnitude m V | 12.8 |
| Photographic magnitude m B | 13.6 |
| Characteristics | |
| Type of | Sbc |
| Radial velocity | |
| Redshift | |
| Distance | |
| Angular position | 38 ° |
| Surface brightness | 13.1 |
This object is one of those listed in the original edition of the New General Catalog .
Content
Notes
- ↑ HI observations of galaxies in between the Local and the Hydra / Centaurus superclusters - 1987.
- ↑ Giovanelli R. , Haynes M. P. A Digital Archive of H i 21 Centimeter Line Spectra of Optically Targeted Galaxies // The Astrophysical Journal : Supplement Series - 2005.- T. 160, no. 1. - S. 149–162. - ISSN 0067-0049 ; 1538-4365 - doi: 10.1086 / 431550
- ↑ 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
Literature
- JA Braatz, NE Gugliucci. The discovery of water maser emission from eight nearby galaxies (Eng.) // Astrophysical Journal. - 2008 .-- Vol. 678, no. 1 . - P. 96-101. - DOI : 10.1086 / 529538 . - arXiv : 0804.4136 .
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 2989 Publication List