NGC 7584
| Galaxy NGC 7584 |
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|---|---|
![NGC 7584 with LEDA 70978 (o), LEDA 1364865 (lu) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC7584_-_SDSS_DR14.jpg)
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| NGC 7584 with LEDA 70978 (o), LEDA 1364865 (lu) SDSS image | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 17 m 53.0 s |
| declination | + 09 ° 26 ′ 00 ″ |
| Appearance | |
| Morphological type | S0? |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.40 × 0.4 |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 705 |
| Redshift | 0.043063 ± 0.000113 |
| Radial velocity | 12,910 ± 34 km / s |
|
Stroke distance v rad / H 0 |
(584 ± 41) · 10 6 ly (179.0 ± 12.5) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 5, 1864 |
| Catalog names | |
| NGC 7584 • PGC 70977 • CGCG 406-049 • MCG + 01-59-035 • GALEX ASC J231753.01 + 092601.5 • NSA 151030 | |
NGC 7584 is a lenticular galaxy of the Hubble type S0 in the constellation Pegasus north of the celestial equator . It is estimated to be 584 million light-years from the Milky Way and about 70,000 light-years across.
In the same area of the sky there are still u. a. the NGC 7579 , NGC 7587 , NGC 7601 , NGC 7609 .
The object was discovered by Albert Marth on October 5, 1864 .