IC 1428
| Galaxy IC 1428 |
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|---|---|
![IC 1428 with SDSS J220430.64 + 023640.8 (lu) [1] (SDSS recording)](https://de.wikipedia.org/wiki/Datei:IC1428_-_SDSS_DR14.jpg)
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| IC 1428 with SDSS J220430.64 + 023640.8 (lu) ( SDSS recording) | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 22 h 04 m 27.7 s |
| declination | + 02 ° 37 ′ 51 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.40 × 0.2 |
| Position angle | 50 ° |
| Surface brightness | 11.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.040888 |
| Radial velocity | 12,258 km / s |
|
Stroke distance v rad / H 0 |
(555 ± 39) · 10 6 ly (170.1 ± 11.9) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | August 19, 1893 |
| Catalog names | |
| IC 1428 • PGC 67979 • CGCG 377-021 • 2MASX J22042767 + 0237510 • 2MASS J22042766 + 0237510 • NSA 149548 | |
IC 1428 is a spiral galaxy of Hubble type S in the constellation Pegasus at the northern sky . It is an estimated 555 million light years away from the Milky Way and about 65,000 light years in diameter.
In the same area of the sky are u. a. the galaxies IC 1422 and IC 1425 .
The object was discovered by Stéphane Javelle on August 19, 1893 .