IC 4708
| Galaxy IC 4708 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 18 h 13 m 46.21 s |
| declination | + 61 ° 09 ′ 26.2 ″ |
| Appearance | |
| Morphological type | C. |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.30 'x 0.3' |
| Surface brightness | 11.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.027446 ± 0.000153 |
| Radial velocity | 8436 ± 47 km / s |
|
Stroke distance v rad / H 0 |
(377 ± 26) · 10 6 ly (115.6 ± 8.1) Mpc |
| history | |
| discovery | Herbert A. Howe |
| Discovery date | September 11, 1899 |
| Catalog names | |
| IC 4708 • PGC 61605 • CGCG 301-024 • IRAS F18132 + 6108 • 2MASX J18134618 + 6109262 • GALEX ASC J181346.19 + 610925.5 • WISEA J181346.22 + 610926.1 | |
IC 4708 is a compact galaxy of Hubble type C in the constellation Draco the northern sky . It is estimated to be 377 million light years from the Milky Way and about 30,000 light years across.
In the same area of the sky are u. a. the galaxies NGC 6607 , NGC 6608 , NGC 6609 , NGC 6617 .
The object was discovered on September 11, 1899 by Herbert Alonzo Howe .
Web links
- SIMBAD Astronomical Database
- Aladin Lite: IC 4708