NGC 2691
| Galaxy NGC 2691 |
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|---|---|
![SDSS image from NGC 2691 [1]](https://de.wikipedia.org/wiki/Datei:NGC2691_-_SDSS_DR14.jpg)
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| SDSS image of NGC 2691 | |
| AladinLite | |
| Constellation | lynx |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 08 h 54 m 46.337 s |
| declination | + 39 ° 32 ′ 19.25 ″ |
| Appearance | |
| Morphological type | Sa? / HII / Stbrst |
| Brightness (visual) | 13.0 likes |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 0.9 ′ × 0.5 ′ |
| Position angle | 165 ° |
| Surface brightness | 12.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.013279 ± 0.000023 |
| Radial velocity | (3981 ± 7) km / s |
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Stroke distance v rad / H 0 |
(177 ± 12) · 10 6 ly (54.4 ± 3.8) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 20, 1787 |
| Catalog names | |
| NGC 2691 • UGC 4664 • PGC 25020 • CGCG 208-068 • CGCG 209-006 • MCG + 07-18-064 • IRAS 08515 + 3943 • KUG 0851 + 397 • 2MASX J08544631 + 3932197 • Mrk 391 • GC 1718 • H II 658 • GALEX ASC J085446.30 + 393218.8 • NVSS J085446 + 393218 | |
NGC 2691 is an active spiral galaxy of the Hubble type Sa with a high rate of star formation in the constellation of the lynx in the northern sky . It is an estimated 177 million light years from the Milky Way and about 45,000 light years in diameter.
In the same area of the sky is u. a. the galaxy NGC 2704 .
The Type Ia supernova SN 2011hr was observed here.
The object was discovered by Wilhelm Herschel on March 20, 1787 .
Web links
Commons : NGC 2691 - collection of images, videos, and audio files
