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
- Image
- Starburst in NGC 4449 (captured by the Hubble Space Telescope).jpg
Sources (2)
via Wikidata · CC0
~3 min read
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