NGC 4917
| Galaxy NGC 4917 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Hunting dogs |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 00 m 55.6 s |
| declination | + 47 ° 13 ′ 20 ″ |
| Appearance | |
| Morphological type | (R ') SB (s) b / LINER |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.5 ′ × 1.0 ′ |
| Position angle | 160 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.024611 ± 0.000166 |
| Radial velocity | 7378 ± 50 km / s |
|
Stroke distance v rad / H 0 |
(333 ± 23) x 10 6 ly (102.1 ± 7.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 20, 1828 |
| Catalog names | |
| NGC 4917 • UGC 8130 • PGC 44838 • CGCG 245-011 • MCG + 08-24-023 • 2MASX J13005553 + 4713197 • GC 3367 • h 1515 • NSA 061180 • USGC U512 NED03 | |
NGC 4917 is a 13.9 likes bright barred spiral galaxy with an active galactic nucleus from Hubble type SBb in the constellation Canes Venatici on the northern sky . It is an estimated 333 million light years from the Milky Way and about 145,000 light years in diameter.
In the same area of the sky is u. a. the galaxy NGC 4901 .
The object was discovered by John Herschel on March 20, 1828 .
Web links
- NGC 4917. SIMBAD , accessed February 22, 2015 .
- NGC 4917. DSO Browser, accessed February 22, 2015 .
- Auke Slotegraaf: NGC 4917. Deep Sky Observer's Companion, accessed February 22, 2015 .