NGC 6423
| Galaxy NGC 6423 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 36 m 53.3 s |
| declination | + 68 ° 10 ′ 17 ″ |
| Appearance | |
| Morphological type | C. |
| Brightness (visual) | 14.8 mag |
| Brightness (B-band) | 15.8 mag |
| Angular expansion | 0.6 ′ × 0.5 ′ |
| Position angle | 165 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.024200 +/- 0.001000 |
| Radial velocity | 7255 +/- 300 km / s |
|
Stroke distance v rad / H 0 |
(333 ± 27) x 10 6 ly (102.1 ± 8.2) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | August 1, 1883 |
| Catalog names | |
| NGC 6423 • PGC 60576 • CGCG 321-027 • MCG + 11-21-016 • 2MASX J17365333 + 6810172 • | |
NGC 6423 is a 14.8 mag bright compact Seyfert galaxy (type 1) of the Hubble type C in the constellation Dragon in the northern sky , which is an estimated 333 million light years away from the Milky Way . The galaxy NGC 6419 is located in the same area of the sky .
The object was discovered by Lewis A. Swift on August 1, 1883 .
Web links
- NGC 6423. SIMBAD, accessed August 1, 2016 .
- NGC 6423. DSO Browser, accessed August 1, 2016 .
- Auke Slotegraaf: NGC 6423. Deep Sky Observer's Companion, accessed August 1, 2016 .