IC 1757
| Galaxy IC 1757 |
|
|---|---|
![IC 1756 with IC 1757 (l) [1]](https://de.wikipedia.org/wiki/Datei:IC1756_-_SDSS_DR14.jpg)
|
|
| IC 1756 with IC 1757 (l) | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 57 m 11.3 s |
| declination | -00 ° 28 ′ 26 ″ |
| Appearance | |
| Morphological type | P |
| Brightness (visual) | 15.7 mag |
| Brightness (B-band) | 16.5 mag |
| Angular expansion | 0.60 'x 0.2' |
| Position angle | 60 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.080467 ± 0.000083 |
| Radial velocity | 24,123 ± 25 km / s |
|
Stroke distance v rad / H 0 |
(1080 ± 76) · 10 6 Lj (331.0 ± 23.2) Mpc |
| history | |
| discovery | Edward E. Barnard |
| Catalog names | |
| IC 1757 • PGC 174458 • 2MASX J01571138-0028262 • ASK 34522.0 • SDSS J015711.36-002826.3 | |
IC 1757 is a galaxy in the constellation Whale south of the ecliptic . It is estimated to be 1 billion light years from the Milky Way and about 190,000 light years in diameter.
In the same area of the sky are u. a. the galaxies IC 177 and IC 1756 .
The object was discovered by Edward Emerson Barnard .