IC 4531
| Galaxy IC 4531 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 15 h 04 m 26.4 s |
| declination | + 23 ° 24 ′ 54 ″ |
| Appearance | |
| Morphological type | C. |
| Brightness (visual) | 14.9 mag |
| Brightness (B-band) | 15.9 mag |
| Angular expansion | 0.8 ′ × 0.5 ′ |
| Position angle | 10 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.052595 ± 0.000189 |
| Radial velocity | 15768 ± 57 km / s |
|
Stroke distance v rad / H 0 |
(708 ± 50) · 10 6 ly (217 ± 15.2) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | July 25, 1903 |
| Catalog names | |
| IC 4531 • PGC 53792 • CGCG 135-003 • 2MASX J15042640 + 2324537 • NSA 096770 | |
IC 4531 is a compact galaxy of Hubble type C in the constellation Bootes the northern sky . It is estimated to be 708 million light-years away from the Milky Way and has a diameter of about 170,000 ly
. a. the galaxies NGC 5829 , IC 4526 , IC 4532 , IC 4534 .
The object was discovered by Stéphane Javelle on July 25, 1903 .