NGC 5162

NGC 5162 is a very large spiral galaxy in the constellation of Virgo. Its velocity with respect to the cosmic microwave background is 7125 ± 20 km/s, which corresponds to a Hubble distance of 342.8 ± 24.0 Mly (105.09 ± 7.36 Mpc).^[1] In addition, 11 non redshift measurements give a distance of 303.71 ± 12.41 Mly (93.118 ± 3.806 Mpc).^[2] The galaxy was discovered by German-British astronomer William Herschel on 15 March 1784.^[3] It was also observed by Lewis Swift on 19 April 1887, resulting in the galaxy being included twice in the New General Catalogue, as both NGC 5162 and NGC 5174.^[3]

ConstellationVirgo

Right ascension13^h 29^m 25.9296^s[1]

Declination+11° 00′ 28.534″^[1]

Redshift0.022799^[1]

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

NGC 5162
NGC 5162 imaged by SDSS
Observation data (J2000 epoch)
Constellation	Virgo
Right ascension	13h 29m 25.9296s[1]
Declination	+11° 00′ 28.534″[1]
Redshift	0.022799[1]
Heliocentric radial velocity	6835 ± 1 km/s[1]
Distance	342.8 ± 24.0 Mly (105.09 ± 7.36 Mpc)[1]
Apparent magnitude (V)	13.0[1]
Characteristics
Type	Scd?[1]
Size	~326,900 ly (100.22 kpc) (estimated)[1]
Apparent size (V)	2.7′ × 1.4′[1]
Other designations
IRAS 13269+1115, 2MASX J13292596+1100285, NGC 5174, UGC 8475, MCG +02-34-018, PGC 47346, CGCG 072-087[1]

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The SIMBAD database lists NGC 5162 as a LINER galaxy, i.e. a galaxy whose nucleus has an emission spectrum characterized by broad lines of weakly ionized atoms.^[4] NGC 5162 is a field galaxy, i.e. it does not belong to a larger galaxy group or cluster and hence is gravitationally alone.^[5]