NGC 5516
| Galaxy NGC 5516 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | centaur |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 15 m 54.7 s |
| declination | -48 ° 06 ′ 53 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 12.0 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 1.8 ′ × 1.2 ′ |
| Position angle | 169 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.013753 +/- 0.000067 |
| Radial velocity | 4123 +/- 20 km / s |
|
Stroke distance v rad / H 0 |
(178 ± 12) · 10 6 ly (54.5 ± 3.8) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | July 1, 1834 |
| Catalog names | |
| NGC 5516 • PGC 50960 • ESO 221-G034 • SGC 141240-4753.0 • GC 3811 • h 3562 • LDCE 1050 NED004 | |
NGC 5516 is a 12.0 mag bright elliptical galaxy of the Hubble type E-S0 in the constellation Centaur and about 178 million light years from the Milky Way.
It was discovered on July 1, 1834 by John Herschel with an 18-inch reflector telescope, who made two observations: “F, S, R, near 2 stars 12th; a small double star follows 5 ′ "and" pB, S, R, psbM, 15 arcseconds "noted.