NGC 6258
| Galaxy NGC 6258 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 16 h 52 m 29.8 s |
| declination | + 60 ° 30 ′ 52 ″ |
| Appearance | |
| Morphological type | E2 |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 70 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.010220 ± 0.000127 |
| Radial velocity | 3064 ± 38 km / s |
|
Stroke distance v rad / H 0 |
(145 ± 10) · 10 6 ly (44.5 ± 3.2) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | June 28, 1886 |
| Catalog names | |
| NGC 6258 • UGC 10595 • PGC 59165 • CGCG 299-035 • MCG + 10-24-073 • 2MASX J16522982 + 6030524 • GALEX ASC J165229.73 + 603052.6 | |
NGC 6258 is a 13.4 mag bright elliptical galaxy of the Hubble type "E2" in the constellation Dragon in the northern sky . It is estimated to be 145 million light years from the Milky Way and about 40,000 light years in diameter.
The object was discovered by Lewis A. Swift on June 28, 1886 .
Web links
- NGC 6258. SIMBAD , accessed on 13 July 2016 (English).
- NGC 6258. DSO Browser, accessed July 13, 2016 .
- Auke Slotegraaf: NGC 6258. Deep Sky Observer's Companion, accessed on July 13, 2016 .