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File:Starburst_in_NGC_4449_(captured_by_the_Hubble_Space_Telescope).jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ631918· pop 41· linked from 599 articles

Q631918

Also known as C 21

Irregular galaxy in the constellation Canes Venatici

Key facts

Constellation: Canes Venatici
Right ascension: 12 28 11.1237
Declination: +44 ° 05 ′ 37.197 ″
Redshift: 0.000 690 ± 0.000 013
Heliocentric radial velocity: 207 ± 4 km/s
Distance: 13.08 ± 0.98 Mly (4.01 ± 0.30 Mpc )
Type: IBm
Size: ~29,400 ly (9.02 kpc ) (estimated)
Apparent size v: 6.2′ × 4.4′

via Wikipedia infobox

Wikidata facts

Distance from Earth: 3.0
Image: Starburst in NGC 4449 (captured by the Hubble Space Telescope).jpg

Show 9 more facts

Commons category: NGC 4449
redshift: 0.000680
catalog code: Caldwell 21
right ascension: 187.0463250
time of discovery or invention: 1788-04-27
apparent magnitude: 10.469
declination: 44.0935583
galaxy morphological type: Im/BCD
radial velocity: 259

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via Wikidata · CC0

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Article

NGC 4449, also known as Caldwell 21, is an irregular Magellanic type galaxy in the constellation Canes Venatici, being located about 13 million light-years away. It was discovered by German-British astronomer William Herschel on 27 April 1788. It is part of the M94 Group or Canes Venatici I Group that is relatively close to the Local Group hosting our Milky Way galaxy.

Characteristics