NGC 5981
| Galaxy NGC 5981 |
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|---|---|
![NGC 5981 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC5981_-_SDSS_DR14.jpg)
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| NGC 5981 SDSS image | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 15 h 37 m 53.450 s |
| declination | + 59 ° 23 ′ 30.30 ″ |
| Appearance | |
| Morphological type | Sc |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 2.7 ′ × 0.3 ′ |
| Position angle | 140 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.005884 ± 0.000153 |
| Radial velocity | (1764 ± 46) km / s |
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Stroke distance v rad / H 0 |
(86 ± 7) x 10 6 ly (26.4 ± 2.0) Mpc |
| history | |
| discovery | George Stoney |
| Discovery date | May 6, 1850 |
| Catalog names | |
| NGC 5981 • UGC 9948 • PGC 55647 • CGCG 297-023 • MCG + 10-22-027 • IRAS 15368 + 5933 • 2MASX J15375266 + 5923382 • GC 4127 • WISEA J153753.52 + 592330.7 • LDCE 1141 NED001 • HOLM 719C • KTG 64A | |
NGC 5981 is a 13.2 likes bright spiral galaxy of Hubble type Sc in the constellation Draco the northern sky . It is estimated to be 86 million light years from the Milky Way and about 65,000 light years in diameter. Together with NGC 5982 and NGC 5985 , it forms the galaxy trio Holm 719 or KTG 64 and a member of the NGC 5982 group to which NGC 5976 , NGC 5987 and NGC 5989 still belong.
The object was discovered on May 6, 1850 by George Stoney , an assistant to William Parsons .
Web links
- NGC 5981. SIMBAD , accessed May 18, 2016 .
- NGC 5981. DSO Browser, accessed May 18, 2016 .
- Auke Slotegraaf : NGC 5981. Deep Sky Observer's Companion, accessed on May 18, 2016 (English).
- Spektrum.de : Amateur recordings [1] [2] [3] - Environment record ( labeled )