NGC 3408

NGC 3408 is a spiral galaxy in the constellation of Ursa Major. Its velocity with respect to the cosmic microwave background is 9,621±11 km/s, which corresponds to a Hubble distance of 462.8 ± 32.4 Mly (141.91 ± 9.94 Mpc).^[1] It was discovered by German-British astronomer William Herschel on 8 April 1793.^[2][3]

ConstellationUrsa Major

Right ascension10^h 52^m 11.6721^s[1]

Declination+58° 26′ 17.272″^[1]

Redshift0.031582±0.0000107^[1]

Quick facts Observation data (J2000 epoch), Constellation ...

NGC 3408
NGC 3408 imaged by SDSS
Observation data (J2000 epoch)
Constellation	Ursa Major
Right ascension	10h 52m 11.6721s[1]
Declination	+58° 26′ 17.272″[1]
Redshift	0.031582±0.0000107[1]
Heliocentric radial velocity	9,468±3 km/s[1]
Distance	462.8 ± 32.4 Mly (141.91 ± 9.94 Mpc)[1]
Apparent magnitude (V)	14.3g[1]
Characteristics
Type	Sc[1]
Size	~175,800 ly (53.90 kpc) (estimated)[1]
Apparent size (V)	0.85′ × 0.75′[1]
Other designations
IRAS 10490+5842, 2MASX J10521167+5826168, UGC 5977, MCG +10-16-016, PGC 32616, CGCG 291-006[1]

Close

NGC 3408 is a radio galaxy, i.e. it has giant regions of radio emission extending well beyond its visible structure.^[4][5]