NGC 7745
| Galaxy NGC 7745 |
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|---|---|
![NGC 7745 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC7745_-_SDSS_DR14.jpg)
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| NGC 7745 SDSS image | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 44 m 45.791 s |
| declination | + 25 ° 54 ′ 32.28 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.7 '× 0.7' |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.057280 ± 0.000334 |
| Radial velocity | 17,172 ± 100 km / s |
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Stroke distance v rad / H 0 |
(775 ± 54) · 10 6 ly (237.7 ± 16.7) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | September 6, 1863 |
| Catalog names | |
| NGC 7745 • PGC 72299 • MCG + 04-56-004 • 2MASX J23444576 + 2554324 • GALEX ASC J234445.74 + 255432.6 • WISEA J234445.78 + 255432.2 | |
NGC 7745 is an elliptical galaxy from the Hubble type E0 in Pegasus at the northern sky . It is an estimated 775 million light years from the Milky Way and about 160,000 light years in diameter.
The galaxies NGC 7735 and NGC 7741 are in the same area of the sky .
The object was discovered by Albert Marth on September 6, 1863 .