NGC 6420
| Galaxy NGC 6420 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 36 m 16.2 s |
| declination | + 68 ° 03 ′ 08 ″ |
| Appearance | |
| Morphological type | E-S0 |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.6 ′ × 0.3 ′ |
| Position angle | 54 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.027122 +/- 0.000097 |
| Radial velocity | 8131 +/- 29 km / s |
|
Stroke distance v rad / H 0 |
(372 ± 26) x 10 6 ly (114.1 ± 8.0) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | 17th August 1883 |
| Catalog names | |
| NGC 6420 • PGC 60553 • CGCG 321-025 • MCG + 11-21-013 • | |
NGC 6420 is a 14.9 likes bright elliptical galaxy from the Hubble type e-S0 in the constellation Dragon and about 372 million light-years from the Milky Way center.
It was discovered by Lewis A. Swift on August 17, 1883 .
Web links
- NGC 6420. SIMBAD, accessed August 1, 2016 .
- NGC 6420. DSO Browser, accessed August 1, 2016 .
- Auke Slotegraaf: NGC 6420. Deep Sky Observer's Companion, accessed on August 1, 2016 .