File:Starburst_in_NGC_4449_(captured_by_the_Hubble_Space_Telescope).jpg · Wikimedia Commons · See Wikimedia Commons
In the Vinony graph
Vinony's link graph records 599 inbound references to NGC 4449, and connects out to NGC 4395, NGC 4624 and NGC 4656 and NGC 4657.
It sits within the topics Astronomical objects discovered in 1788, Barred irregular galaxies and Caldwell objects.
Vinony links it to 41 Wikipedia language editions.
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
- Constellation
- Canes Venatici
- Distance from Earth
- 3.0
- Image
- Starburst in NGC 4449 (captured by the Hubble Space Telescope).jpg
Show 11 more facts
- Commons category
- NGC 4449
- redshift
- 0.000680
- catalog code
- Caldwell 21
- right ascension
- 187.0463250
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1788-04-27
- apparent magnitude
- 10.469
- declination
- 44.0935583
- galaxy morphological type
- Im/BCD
- radial velocity
- 259
- epoch
- J2000.0
Sources (2)
via Wikidata · CC0
~3 min read
Encyclopedic overview
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
Excerpted from Wikipedia’s “NGC 4449” article, available under the CC BY-SA 4.0 licence.