IC 4577
| Galaxy IC 4577 |
|
|---|---|
|
|
| IC 4579 & IC 4577 | |
| AladinLite | |
| Constellation | Snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 15 h 42 m 45.5 s |
| declination | + 23 ° 47 ′ 33 ″ |
| Appearance | |
| Morphological type | C. |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.8 ′ × 0.8 ′ |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 583-004 |
| Redshift | 0.023480 ± 0.000063 |
| Radial velocity | 7039 ± 19 km / s |
|
Stroke distance v rad / H 0 |
(319 ± 22) · 10 6 ly (97.8 ± 6.8) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | April 7, 1900 |
| Catalog names | |
| IC 4577 • PGC 55848 • CGCG 136-061 • 2MASX J15424555 + 2347334 • GALEX ASC J154245.48 + 234733.8 • USGC U719 NED02 | |
IC 4577 is a compact galaxy of Hubble type C in the constellation Serpens the northern sky . It is estimated to be 319 million light-years away from the Milky Way and has a diameter of about 75,000 ly
. a. the galaxies IC 4573 , IC 4575 , IC 4576 , IC 4579 .
The object was discovered on April 7, 1900 by Stéphane Javelle .