NGC 45 (other designations - ESO 473-1 , IRAS00115-2327 , MCG −4-1-21 , DDO 223 , UGCA 4 , AM 0011-232 , PGC 930 ) is a spiral galaxy with a jumper ( SBd ) in the constellation Keith .
| NGC 45 | |
|---|---|
| Galaxy | |
 | |
| Research history | |
| Discoverer | John Herschel |
| opening date | November 11, 1835 |
| Designations | NGC 45 , ESO 473-1 , IRAS00115-2327 , MCG -4-1-21 , DDO 223 , UGCA 4 , AM 0011-232 , PGC 930 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Whale |
| Right ascension | |
| Declination | |
| Visible dimensions | 8.5 ′ × 5.9 ′ |
| Apparent magnitude m V | 10.7 |
| Photographic magnitude m B | 11.3 |
| Characteristics | |
| Type of | SBd |
| Radial velocity | |
| Redshift | +0.001558 ± 0.000017 |
| Distance | |
| Angular position | 142 ° |
| Surface brightness | 14.8 |
This object is one of those listed in the original edition of the New General Catalog .
The galaxy was discovered by the English astronomer John Herschel on November 11, 1835 .
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 45 publications
- ↑ 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
- ↑ Cosmic flows: Green Bank Telescope and Parkes HI observations // Mon. Not. R. Astron. Soc. / D. Flower - OUP , 2011 .-- ISSN 0035-8711 ; 1365-2966 - doi: 10.1111 / j.1365-2966.2011.18515.x
- ↑ The Local Tully-Fisher relation for dwarf galaxies // Astron. J. / J. G. III - IOP Publishing , 2017 .-- ISSN 0004-6256 ; 1538-3881 - doi: 10.3847 / 1538-3881 / 153/1/6