NGC 636
| Galaxy NGC 636 |
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|---|---|
![NGC 636 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC636_-_SDSS_DR14.jpg)
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| NGC 636 SDSS image | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 39 m 06.53 s |
| declination | -07 ° 30 ′ 45.4 ″ |
| Appearance | |
| Morphological type | E3 |
| Brightness (visual) | 11.5 likes |
| Brightness (B-band) | 12.5 mag |
| Angular expansion | 2.8 ′ × 2.0 ′ |
| Position angle | 40 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 584 group LGG 27 |
| Redshift | 0.006204 ± 0.000020 |
| Radial velocity | 1860 ± 6 km / s |
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Stroke distance v rad / H 0 |
(84 ± 6) · 10 6 ly (25.9 ± 1.8) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | January 10, 1785 |
| Catalog names | |
| NGC 636 • PGC 6110 • MCG -01-05-013 • 2MASX J01390652-0730453 • GC 377 • H II 283 • h 144 • GALEX ASC J013906.36-073046.3 • LDCE 95 NED008 • NSA 130133 | |
NGC 636 is an elliptical galaxy of Hubble type E3 in the constellation Cetus south of the ecliptic . It is an estimated 84 million light years from the Milky Way and about 70,000 light years in diameter. It is a member of the eight galaxies NGC 584 group ( LGG 27 ).
The object was discovered on January 10, 1785 by the German-British astronomer Wilhelm Herschel .
Web links
Commons : NGC 636 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Auke Slotegraaf : NGC 636. Deep Sky Observer's Companion, accessed September 4, 2015 .