NGC 6423
Galaxy NGC 6423 |
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SDSS recording | |
AladinLite | |
Constellation | Dragon |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .