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...
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Luminous blue variable (section NGC 4449)
"Search for LBVS in the Local Volume galaxies: Study of four stars in NGC 4449". Monthly Notices of the Royal Astronomical Society. 507 (3): 4352–4366...
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Center Game (Encyclopaedia of Chess Openings code: C21) Caldwell 21 or NGC 4449, an irregular galaxy in the constellation Canes Venatici Carbon-21 (C-21...
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This is a list of NGC objects 4001–5000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae...
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is seen to be creating 4,000 stars per year. Credit: NASA. The galaxy NGC 4449 is currently a global starburst, with star formation activity widespread...
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objects, such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier catalogue was actually compiled...
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Histories of the LEGUS Dwarf Galaxies. I. Recent History of NGC 1705, NGC 4449, and Holmberg II". The Astrophysical Journal. 856 (1): 17. arXiv:1802.06792...
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II Program. The catalogue contains 400 objects. All objects are from the NGC. All objects are visible in mid northern latitudes, since they were all observed...
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M94 Group (redirect from NGC 4736 Group)
created from the Nearby Optical Galaxy sample of Giuricin et al. Additionally, NGC 4105 and DDO 169 are frequently but not consistently identified as members...
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D. (2021). "Optical counterparts of ULXs in two dwarf galaxies: NGC 4861 and NGC 4449". Monthly Notices of the Royal Astronomical Society. 505: 771–782...
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