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.
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