NGC 7587
| Galaxy NGC 7587 |
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|---|---|
![NGC 7587 with LEDA 70985 (u) [1]](https://de.wikipedia.org/wiki/Datei:NGC7587_-_SDSS_DR14.jpg)
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| NGC 7587 with LEDA 70985 (u) | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 17 m 59.1 s |
| declination | + 09 ° 40 ′ 49 ″ |
| Appearance | |
| Morphological type | SBab: |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.2 '× 0.3' |
| Position angle | 123 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.029227 ± 0.000033 |
| Radial velocity | 8762 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(398 ± 28) · 10 6 ly (122.1 ± 8.6) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 5, 1864 |
| Catalog names | |
| NGC 7587 • NGC 7587A • UGC 12484 • PGC 70984 • CGCG 406-052 • MCG + 01-59-037 • 2MASX J23175912 + 0940488 • NSA 151034 • KPG 580A | |
NGC 7587 is a barred spiral galaxy of the Hubble type SBab in the constellation Pegasus north of the celestial equator . It is an estimated 398 million light years from the Milky Way and about 140,000 light years in diameter . Together with PGC 70985 , it forms the isolated and gravitationally bound galaxy pair KPG 580 . In the same area of the sky are u. a. the galaxies NGC 7584 , NGC 7579 , NGC 7595 , NGC 7609 .
The object was discovered by Albert Marth on October 5, 1864 .