NGC 5991
| Galaxy NGC 5991 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 15 h 45 m 16.8 s |
| declination | + 24 ° 37 ′ 50 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.0 ′ × 0.9 ′ |
| Position angle | 126 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.022669 ± 0.000073 |
| Radial velocity | (6796 ± 22) km / s |
|
Stroke distance v rad / H 0 |
(308 ± 22) · 10 6 ly (94.5 ± 6.6) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | June 13, 1879 |
| Catalog names | |
| NGC 5991 • PGC 55953 • CGCG 136-067 • MCG + 04-37-28 • 2MASX J15451680 + 2437494 • GALEX ASC J154516.91 + 243749.9 • LDCE 1147 NED002 | |
NGC 5991 is a 14.0 mag bright spiral galaxy of the Hubble type S in the constellation Snake in the northern sky . It is estimated to be 308 million light-years away from the Milky Way and has a diameter of about 90,000 ly. a. the galaxy IC 4583 .
The object was discovered on June 13, 1879 by Édouard Stephan .
Web links
- NGC 5991. SIMBAD , accessed May 22, 2016 .
- NGC 5991. DSO Browser, accessed May 22, 2016 .
- Auke Slotegraaf: NGC 5991. Deep Sky Observer's Companion, accessed on May 22, 2016 .