NGC 6509
Galaxy in the constellation Ophiuchus
From Wikipedia, the free encyclopedia
NGC 6509 is a spiral galaxy in the equatorial constellation of Ophiuchus. It was discovered on July 20, 1879 by the French astronomer Édouard Stephan.[6] This galaxy is located at a distance of 95.3 million light-years (29.22 Mpc) from the Milky Way,[3] and is receding with a heliocentric radial velocity of 1,814 km/s.[2]
| NGC 6509 | |
|---|---|
NGC 6509 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Ophiuchus |
| Right ascension | 17h 59m 25.315s[1] |
| Declination | +06° 17′ 12.86″[1] |
| Redshift | 0.006041 |
| Heliocentric radial velocity | 1,814 km/s[2] |
| Distance | 95.3 Mly (29.22 Mpc)[3] |
| Apparent magnitude (B) | 13.10[4] |
| Characteristics | |
| Type | Sd[4] |
| Size | ~58,500 ly (17.93 kpc) (estimated) |
| Apparent size (V) | 1.6′ × 1.2′ |
| Other designations | |
| NGC 6509, UGC 11075, LEDA 61230, MCG +01-46-002, PGC 61230[5] | |
This is a bulge-less disk galaxy[7] with a morphological classification of Sd.[4] The plane of the galaxy is inclined at an angle of 41°±4° to the plane of the sky, and the oval outline is oriented along a position angle of 280.8°±1.1°[7] with an angular span of 1.6′.[4]
The eastern side of this galaxy lies in the foreground of a radio source designated 4C +06.63.[7]
