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IC 2714

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Open cluster in the constellation of Carina
IC 2714
Observation data (J2000 epoch)
Right ascension11 17 27
Declination−62° 44′ 00″
Distance4,030 ly (1,238 pc)
Apparent magnitude (V)8.2
Apparent dimensions (V)12'
Physical characteristics
Mass170 M
Estimated age350 million years
Other designationsCollinder 245, Melotte 104, vdBH 116
Associations
ConstellationCarina
See also: Open cluster, List of open clusters

IC 2714 is an open cluster in the constellation Carina. It was discovered by James Dunlop in 1826. It is located approximately 4,000 light years away from Earth, in the Carina–Sagittarius Arm.

Characteristics

It is a rich to moderately rich, intermediate-brightness, detached cluster with Trumpler type II2r or II3m. There are 494 probable member stars within the angular radius of the cluster and 215 within the central part of the cluster. The tidal radius of the cluster is 6.3 - 8.7 parsecs (21 - 28 light years) and represents the average outer limit of IC 2714, beyond which a star is unlikely to remain gravitationally bound to the cluster core. The core of the cluster is estimated to be 5.9 light years across.

The brightest stars of the cluster are of 11th magnitude and the brightest main sequence stars are of late B of A type. Two blue stragglers have been detected in the cluster, one variable star and eleven red giants. The turn-off mass of the cluster is estimated to be at 3.1 M. The cluster has the same metallicity as the Sun.

See also

References

  1. ^ "IC 2714". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2015-06-19.
  2. ^ WEBDA: IC 2714
  3. ^ Piskunov, A. E.; Schilbach, E.; Kharchenko, N. V.; Röser, S.; Scholz, R.-D. (6 November 2007). "Tidal radii and masses of open clusters". Astronomy & Astrophysics. 477 (1): 165–172. Bibcode:2008A&A...477..165P. doi:10.1051/0004-6361:20078525.
  4. ^ Delgado Mena, E.; Tsantaki, M.; Sousa, S. G.; Kunitomo, M.; Adibekyan, V.; Zaworska, P.; Santos, N. C.; Israelian, G.; Lovis, C. (17 February 2016). "Searching for Li-rich giants in a sample of 12 open clusters". Astronomy & Astrophysics. 587: A66. arXiv:1512.05296. Bibcode:2016A&A...587A..66D. doi:10.1051/0004-6361/201527196. S2CID 119221224.
  5. ^ O'Meara, Stephen James (2013). Deep-Sky Companions: Southern Gems. Cambridge University Press. pp. 197–200. ISBN 9781139851541.
  6. Carraro, Giovanni; Seleznev, Anton F. (21 February 2012). "UBVI CCD photometry and star counts in nine inner disc Galactic star clusters". Monthly Notices of the Royal Astronomical Society. 419 (4): 3608–3623. arXiv:1110.3011. Bibcode:2012MNRAS.419.3608C. doi:10.1111/j.1365-2966.2011.20010.x. S2CID 118542242.
  7. ^ Kharchenko, N. V.; Piskunov, A. E.; Schilbach, E.; Röser, S.; Scholz, R.-D. (3 October 2013). "Global survey of star clusters in the Milky Way". Astronomy & Astrophysics. 558: A53. arXiv:1308.5822. Bibcode:2013A&A...558A..53K. doi:10.1051/0004-6361/201322302. S2CID 118548517.
  8. ^ Claria, J. J.; Mermilliod, J.-C.; Piatti, A. E.; Minniti, D. (October 1994). "Photometric and CORAVEL observations of stars in the open cluster IC 2714". Astronomy and Astrophysics Supplement. 107: 39–49. Bibcode:1994A&AS..107...39C.
  9. Ahumada, J. A.; Lapasset, E. (20 November 2006). "New catalogue of blue stragglers in open clusters". Astronomy & Astrophysics. 463 (2): 789–797. Bibcode:2007A&A...463..789A. doi:10.1051/0004-6361:20054590.
  10. Santos, N. C.; Lovis, C.; Pace, G.; Melendez, J.; Naef, D. (20 November 2008). "Metallicities for 13 nearby open clusters from high-resolution spectroscopy of dwarf and giant stars". Astronomy & Astrophysics. 493 (1): 309–316. arXiv:0811.2392. Bibcode:2009A&A...493..309S. doi:10.1051/0004-6361:200811093. S2CID 17774555.

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