NGC 5215
| Galaxy NGC 5215 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | centaur |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 35 m 08.2 s |
| declination | -33 ° 29 ′ 02 ″ |
| Appearance | |
| Morphological type | S0 pec + S0 pec |
| Brightness (visual) | 13.2 mag 12.9 mag |
| Brightness (B-band) | 14.2 mag 13.9 mag |
| Angular expansion | A: 0.6 ′ × 0.4 ′ B: 1.2 ′ × 0.5 ′ |
| Position angle | A: 105 ° B: 80 ° |
| Surface brightness | 11.5 mag / arcmin² 12.2 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 353 |
| Redshift | 0.013386 +/- 0.000133 |
| Radial velocity | 4013 +/- 40 km / s |
|
Stroke distance v rad / H 0 |
(173 ± 12) · 10 6 ly (53.1 ± 3.8) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 3, 1836 |
| Catalog names | |
| NGC 5215 (A / B) • PGC 47879, 47883, 47887, 47888 • ESO 383-028, 383-029 • MCG -05-32-040, -05-32-041 • SGC 133215-3313.6 • VV 693 • GC 3589 • h 3519 • LDCE 0996 NED027 | |
NGC 5215 is a gravitationally bound double galaxy; NGC 5215A is 13.2 mag bright, NGC 5215B has an apparent magnitude of 12.9 mag. Both are lenticular galaxies of the Hubble type S0 in the constellation of the hounds . NGC 5215B as the brighter of the two galaxies was discovered on June 3, 1836 by John Herschel with an 18-inch reflecting telescope, which "eF and S; has two stars less than 1 diameter of neb, distant one (by diagram) south and one preceding "noted.