NGC 6340
| Galaxy NGC 6340 |
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|---|---|
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| The galaxies NGC 6340 (lower half of the image, middle), IC 1251 (above) and IC 1254 (left) recorded with the 81 cm reflector telescope of the Mount Lemmon Observatory . | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 17 h 10 m 24.8 s |
| declination | + 72 ° 18 ′ 16 ″ |
| Appearance | |
| Morphological type | SA (s) 0 / a / LINER |
| Brightness (visual) | 11.0 mag |
| Brightness (B-band) | 11.9 likes |
| Angular expansion | 3 ′ × 2.8 ′ |
| Position angle | 120 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.003996 +/- 0.000020 |
| Radial velocity | 1198 +/- 6 km / s |
|
Stroke distance v rad / H 0 |
(62 ± 4) · 10 6 ly (19.0 ± 1.3) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | June 6, 1788 |
| Catalog names | |
| NGC 6340 • UGC 10762 • PGC 59742 • CGCG 339-031 • MCG + 12-16-023 • IRAS F17112 + 7221 • 2MASX J17102496 + 7218156 • GC 4292 • H II 767 • h 1980 • LDCE 1246 NED002 | |
NGC 6340 is a lenticular galaxy with an active nucleus of the Hubble type SA (s) 0 / a in the constellation Dragon in the northern sky . It is an estimated 62 million light years away from the Milky Way and has a diameter of around 50,000 ly.
In the same area of the sky are the galaxies IC 1251 and IC 1254 .
The object was discovered on June 6, 1788 by the astronomer Wilhelm Herschel with his 18.7-inch telescope and is listed in the New General Catalog .