NGC 5971
| Galaxy NGC 5971 |
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|---|---|
![NGC 5971 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC5971_-_SDSS_DR14.jpg)
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| NGC 5971 SDSS image | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 15 h 35 m 36.892 s |
| declination | + 56 ° 27 ′ 42.07 ″ |
| Appearance | |
| Morphological type | Sa / LINER |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.6 ′ × 0.6 ′ |
| Position angle | 136 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.014363 ± 0.000033 |
| Radial velocity | (4306 ± 10) km / s |
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Stroke distance v rad / H 0 |
(200 ± 14) x 10 6 ly (61.2 ± 4.3) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | August 5, 1885 |
| Catalog names | |
| NGC 5971 • UGC 9929 • PGC 55529 • CGCG 297-019 • MCG + 09-26-002 • 2MASX J15353688 + 5627424 • GALEX ASC J153536.89 + 562743.8 • WISEA J153536.90 + 562742.2 • NSA 166299 • KTG 63C | |
NGC 5971 is a 13.8 mag bright spiral galaxy of the Hubble type Sa with an active galaxy core in the constellation Dragon in the northern sky . It is an estimated 200 million light years from the Milky Way and about 90,000 light years in diameter. Together with NGC 5963 and NGC 5965, the optical galaxy trio KTG 63 . The galaxies NGC 5969 and PGC 2544663 lie in the same area of the sky .
The object was discovered by Lewis A. Swift on August 5, 1885 .
Web links
Commons : NGC 5971 - collection of images, videos, and audio files
- NGC 5971. SIMBAD , accessed May 18, 2016 .
- NGC 5971. DSO Browser, accessed May 18, 2016 .
- Auke Slotegraaf : NGC 5971. Deep Sky Observer's Companion, accessed on May 18, 2016 (English).
- Spektrum.de : Amateur recordings [1]