I Zw 36

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Coordinates: Sky map 12h 26m 16.02s, +48° 29′ 36.6″

I Zw 36
A messy star factory.jpg
Blue compact dwarf galaxy known Markarian 209 taken by the Hubble Space Telescope.
Observation data (J2000 epoch)
ConstellationCanes Venatici
Right ascension 12h 26m 16.02s [1]
Declination+48° 29′ 36.6″[1]
Helio radial velocity282 km/s[1]
Apparent magnitude (B)15.3[1]
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, [M98c] 122350.6+484607,

MCG+08-23-035, TC 211, Z 244-18, [MI94] Im 98
See also: Galaxy, List of galaxies

I Zwicky 36, often abbreviated to I Zw 36, is a blue compact dwarf galaxy which is in the constellation Canes Venatici. The dominant population of stars in I Zw 36 is young in stellar terms, with ages of under 3 million years.[2]


  1. ^ a b c d e "Search Results for UGCA 281". Astronomical Data Base. SIMBAD. Retrieved 15 December 2014.
  2. ^ "A messy star factory". www.spacetelescope.org. ESA/Hubble. Retrieved 15 December 2014.