NGC 2997 (other designations - ESO 434-35 , MCG-5-23-12 , UGCA 181 , AM 0943-305 , PGC 27978 ) - a spiral galaxy with a jumper ( SBc ) in the constellation Pump .
| NGC 2997 | |
|---|---|
| Galaxy | |
 | |
| Research history | |
| Discoverer | William Herschel |
| opening date | March 4, 1793 |
| Designations | NGC 2997 , ESO 434-35 , MCG -5-23-12 , UGCA 181 , AM 0943-305 , PGC 27978 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Pump |
| Right ascension | |
| Declination | |
| Visible dimensions | 8.9 '× 6.8' |
| Apparent magnitude m V | 9,4 |
| Photographic magnitude m B | 10.1 |
| Specifications | |
| Type of | Sbc |
| Redshift | +0.003626 ± 0.000010 |
| Angular position | 110 ° |
| Surface brightness | 13.7 |
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
Literature
- Debra Meloy Elmegreen, Frederick R. Chromey, Jessica E. Sawyer, and Erika L. Reinfeld. Near-Infrared Observations of Hot Spots in the Circumnuclear Rings of NGC 2997 and NGC 6951 // The Astronomical Journal. - 1999. - DOI : 10.1086 / 300970 .
- Nelson Vera-Villamizar, Horacio Dottori, Ivânio Puerari, and Reinaldo de Carvalho. Analysis of Resonances in Grand Design Spiral Galaxies (Eng.) // The Astrophysical Journal . - 2001. - DOI : 10.1086 / 318362 . - arXiv : astro-ph / 0009191 .
- Yu-Qing Lou, Wilfred M. Walsh, JL Han, and Zuhui Fan. Multiwavelength Structural Manifestations of Fast Magnetohydrodynamic Density Waves in Spiral Galaxies // The Astrophysical Journal . - 2002. - DOI : 10.1086 / 338244 .
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 2997 Publications