NGC 6509

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]

See also

• List of NGC objects (6001–7000)