NGC 4657 is a galaxy in the constellation Hounds of the Dogs .
| NGC 4657 | |
|---|---|
| Galaxy | |
 | |
| Research history | |
| Discoverer | William Herschel |
| opening date | March 20, 1787 |
| Designations | NGC 4657 |
| Observational data ( Age J2000.0 ) | |
| Constellation | Hounds Dogs |
| Right ascension | 12 h 44 m 06.9 s |
| Declination | + 32 ° 12 ′ 33 ″ |
| Visible dimensions | 1.3 '× 0.6' |
| Apparent magnitude m V | 12,4 |
| Photographic magnitude m B | 13.0 |
| Characteristics | |
| Type of | I / P |
| Included in | |
| Redshift | +0.002048 ± 0.000120 |
| Angular position | 160 ° |
| Surface brightness | 12.0 |
| Database Information | |
| SIMBAD | |
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 4657 Publication List