NGC 5721
| Galaxy NGC 5721 |
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|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 38 m 52.9 s |
| declination | + 46 ° 40 ′ 28 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 14.9 mag |
| Brightness (B-band) | 15.9 mag |
| Angular expansion | 0.3 ′ × 0.2 ′ |
| Position angle | 140 ° |
| Surface brightness | 11.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.036283 ± 0.000200 |
| Radial velocity | (10877 ± 60) km / s |
|
Stroke distance v rad / H 0 |
(491 ± 35) · 10 6 ly (150.6 ± 10.6) Mpc |
| history | |
| discovery | RJ Mitchell |
| Discovery date | April 16, 1855 |
| Catalog names | |
| NGC 5721 • PGC 52346 • CGCG 248-016 • MCG + 08-27-13 • GC 3972 • | |
NGC 5721 is a 14.9 likes bright lenticular galaxy of Hubble type S0 in the constellation Bootes .
NGC 5721 was discovered on April 16, 1855 by RJ Mitchell , an assistant to William Parsons .
Web links
- NGC 5721. SIMBAD, accessed April 17, 2016 .
- NGC 5721. DSO Browser, accessed April 17, 2016 .
- Auke Slotegraaf: NGC 5721. Deep Sky Observer's Companion, accessed April 17, 2016 .