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EntityQ1120302· pop 31· linked from 472 articles

galaxy

Key facts

Constellation
Boötes
Right ascension
14 09 57.330
Declination
+17 ° 32 ′ 43.53 ″
Heliocentric radial velocity
4838 ± 14 km/s
Distance
225.63 ± 0.29 Mly (69.18 ± 0.09 Mpc )
Group or cluster
NGC 5490 Group (LGG 376)
Type
E
Size
~188,400 ly (57.75 kpc ) (estimated)
Apparent size v
1.443′ × 1.126′
Notable features
See also Gra 1408+17

via Wikipedia infobox

~1 min read

Encyclopedic overview

NGC 5490 is a large elliptical galaxy located in the constellation of Boötes. Its velocity relative to the cosmic microwave background is 5,075 ± 22 km/s, which corresponds to a Hubble distance of 244.1 ± 17.1 Mly (74.85 ± 5.25 Mpc). In addition, 13 non-redshift measurements gives a distance of 269.98 ± 15.01 Mly (82.777 ± 4.603 Mpc). NGC 5490 was discovered by the German-British astronomer William Herschel on 14 March 1784.

Supernovae

Excerpted from Wikipedia’s “Q1120302” article, available under the CC BY-SA 4.0 licence.