NGC 1721 (other designations - MCG −2-13-27 , VV 699 , IRAS04569-1111 , PGC 16484 ) is a lenticular galaxy ( S0 ) in the constellation Eridanus .
| NGC 1721 | |
|---|---|
| Galaxy | |
 | |
| Research history | |
| Discoverer | Edward Emerson Barnard |
| opening date | November 10, 1885 |
| Designations | NGC 1721 , MCG -2-13-27 , VV 699 , IRAS04569-1111 , PGC 16484 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Eridan |
| Right ascension | |
| Declination | |
| Visible dimensions | 1.9 '× 1.0' |
| Apparent magnitude m V | 12.8 |
| Photographic magnitude m B | 13.8 |
| Characteristics | |
| Type of | S0 |
| Radial velocity | |
| Redshift | and |
| Distance | |
| Angular position | 132 ° |
| Surface brightness | 13,4 |
This object is one of those listed in the original edition of the New General Catalog .
Content
- 1 notes
- 2 Literature
- 3 See also
- 4 References
Notes
- ↑ The morphological catalog of galaxies equatorial survey // Astron. J. / J. G. III - IOP Publishing , 1993. - ISSN 0004-6256 ; 1538-3881 - doi: 10.1086 / 116543
- ↑ 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
Literature
- SW Burnham . Observations of Nebulae with the 36-inch refractor of the Lick Observatory (Eng.) // Publications of Lick Observatory. - 1894. - Vol. 2. - P. 168-181. - . .
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 publications on NGC 1721