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I Zwicky 36

Coordinates: Sky map 12h 26m 16.02s, +48° 29′ 36.6″
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I Zw 36
Blue compact dwarf galaxy known as Markarian 209 taken by the Hubble Space Telescope
Observation data (J2000 epoch)
ConstellationCanes Venatici
Right ascension12h 26m 16.02s[1]
Declination+48° 29′ 36.6″[1]
Redshift0.000941[1]
Heliocentric radial velocity282 km/s[1]
Distance19 Mly (5.8 Mpc)[2]
Apparent magnitude (B)15.3[1]
Absolute magnitude (V)−14.7[2]
Characteristics
TypeBlue compact dwarf[2]
Other designations
Mrk 209, PG 1223+488, UGCA 281, Z 1223.9+4846, Anon 1223+48, PG 1223+487, UZC J122617.1+482938, [H56] 29, LEDA 40665, SBSG 1223+487, ZW I 36, MCG+08-23-035, TC 211[1]

I Zwicky 36, often abbreviated to I Zw 36, is a galaxy in the constellation of Canes Venatici. It is located at a distance of about 5.8 megaparsecs from the Milky Way.[2]

I Zwicky 36 is an irregular galaxy, specifically a blue compact dwarf galaxy. These galaxies are small, and have high rates of star formation, making them appear bluish in color. The dominant population of stars in I Zw 36 is young in stellar terms, with ages of under 3 million years.[3] It is quite isolated: the nearest galaxy is Messier 94 (NGC 4736) which is about 1.4 megaparsecs away, although the galaxy may have experienced a merger in the past that could explain its current burst of star formation.[2]

References

  1. ^ a b c d e f "UGCA 281". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 15 December 2014.
  2. ^ a b c d e Ashley, Trisha; Simpson, Caroline E.; Elmegreen, Bruce G. (2013). "The H I Chronicles of LITTLE THINGS BCDs: Evidence for External Perturbations in the Morphology and Kinematics of Haro 29 and Haro 36". The Astronomical Journal. 146 (2): 42. arXiv:1307.0792. Bibcode:2013AJ....146...42A. doi:10.1088/0004-6256/146/2/42. S2CID 119304997.
  3. ^ "A messy star factory". www.spacetelescope.org. ESA/Hubble. Retrieved 15 December 2014.


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