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IC 2574

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IC 2574
Picture of IC 2574 produced with Hubble's Advanced Camera for Surveys
Observation data (J2000 epoch)
ConstellationUrsa Major
Right ascension10h 28m 23.62046s[1]
Declination+68° 24′ 43.4414″[1]
Redshift0.000160±0.000020[2]
Characteristics
TypeSABm[3]
Apparent size (V)12.02′ × 5.50′[4]
Other designations
Coddington's Nebula,[5] UGC 5666[6]

IC 2574, also known as Coddington's Nebula, is a dwarf spiral galaxy[5] discovered by American astronomer Edwin Foster Coddington in 1898.[8][9] Located in Ursa Major, a constellation in the northern sky, it is an outlying member of the M81 Group. It is believed that 90% of its mass is in the form of dark matter.[10] IC 2574 does not show evidence of interaction with other galaxies. It is currently forming stars; a UV analysis showed clumps of star formation 85 to 500 light-years (26 to 150 pc) in size.[11]

References

  1. ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ Paturel, G.; et al. (2002). Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003. LEDA. Bibcode:2002LEDA.........0P.
  3. ^ Khramtsova, M. S.; et al. (May 2013). "Polycyclic aromatic hydrocarbons in spatially resolved extragalactic star-forming complexes". Monthly Notices of the Royal Astronomical Society. 431 (2): 2006–2016. arXiv:1302.4837. Bibcode:2013MNRAS.431.2006K. doi:10.1093/mnras/stt319.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  4. ^ Paturel, G.; et al. (December 2003), "HYPERLEDA. I. Identification and designation of galaxies", Astronomy and Astrophysics, 412: 45–55, Bibcode:2003A&A...412...45P, doi:10.1051/0004-6361:20031411.
  5. ^ a b "APOD: 2012 June 22 – IC 2574: Coddington's Nebula". apod.nasa.gov. Retrieved 2020-01-16.
  6. ^ "IC 2574". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-01-16.
  7. ^ Karachentsev, Igor D.; et al. (January 2017). "The Local Tully-Fisher Relation for Dwarf Galaxies". The Astronomical Journal. 153 (1): 17. arXiv:1611.02574. Bibcode:2017AJ....153....6K. doi:10.3847/1538-3881/153/1/6. S2CID 119388974. 6.{{cite journal}}: CS1 maint: unflagged free DOI (link)
  8. ^ "Some of The Named Galaxies". iitk.ac.in/. Indian Institute of Technology Kanpur. Archived from the original on 2012-01-04. Retrieved 2018-11-06.
  9. ^ Walter, Fabian; Brinks, Elias (1999). "Holes and Shells in the Interstellar Medium of the Nearby Dwarf Galaxy IC 2574". The Astronomical Journal. 118 (1). Institute of Physics: 273–301. arXiv:astro-ph/9904002. Bibcode:1999AJ....118..273W. doi:10.1086/300906. S2CID 14572518.
  10. ^ Darling, David. "Coddington's Nebula (IC 2574)". Worlds of David Darling. Retrieved 2019-01-16.
  11. ^ Mondal, Chayan; Subramaniam, Annapurni; George, Koshy (2021). "A tale of two nearby dwarf irregular galaxies WLM and IC 2574: As revealed by UVIT". Journal of Astrophysics and Astronomy. 42 (2): 50. arXiv:2105.13048. Bibcode:2021JApA...42...50M. doi:10.1007/s12036-021-09761-z. S2CID 235212077.


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