NGC 7102
| Galaxy NGC 7102 / IC 5127 |
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|---|---|
![NGC 7102 with LEDA 214783 (u) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC7102_-_SDSS_DR14.jpg)
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| NGC 7102 with LEDA 214783 (u) SDSS image | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 21 h 39 m 44.5 s |
| declination | + 06 ° 17 ′ 11 ″ |
| Appearance | |
| Morphological type | SB (rs) b? |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.6 ′ × 0.9 ′ |
| Position angle | 153 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.016245 ± 0.000083 |
| Radial velocity | 4870 ± 25 km / s |
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Stroke distance v rad / H 0 |
(225 ± 16) · 10 6 ly (69.1 ± 4.8) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 16, 1863 |
| Catalog names | |
| NGC 7102 • IC 5127 • UGC 11786 • PGC 67120 • CGCG 402-013 N02 • MCG + 01-55-008 • IRAS 21372 + 0603 • 2MASX J21394454 + 0617106 • NVSS J213944 + 061707 | |
NGC 7102 = IC 5127 is a bar-spiral galaxy of the Hubble type SBb in the constellation Pegasus in the northern sky . It is estimated to be 225 million light years from the Milky Way and about 105,000 light years across. Together with PGC 214783 it forms a gravitationally bound galaxy pair .
The type II supernova SN 2003iw was observed here.
The object was discovered on October 16, 1863 by the astronomer Albert Marth .