NGC 1893 is an open cluster in the constellation Auriga. It is about 12,400 light years away. The star cluster is embedded in the Tadpole Nebula (HII region IC 410).[5]

NGC 1893
Star Cluster NGC 1893 imbedded in the emission nebula IC 410.
Observation data (J2000 epoch)
Right ascension05h 22m 44.(0)s[1]
Declination+33° 24′ 4(2)″[1]
Distance3,790 pc (12,400 ly)[2]
Apparent magnitude (V)7.5[3]
Apparent dimensions (V)11.0′[3]
Physical characteristics
Estimated age4 Myr[4]
Other designationsCr 63, Mel 33, C0519+333, Lund 166, OCL 439, OCISM 101, Raab 24
Associations
ConstellationAuriga
See also: Open cluster, List of open clusters

Images of the star cluster by the Chandra X-ray Observatory suggest that it contains approximately 4,600 young stellar objects.[6]

Image of the entire Tadpole Nebula (IC 410)

References

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  1. ^ a b Wu, Zhen-Yu; et al. (November 2009), "The orbits of open clusters in the Galaxy", Monthly Notices of the Royal Astronomical Society, 399 (4): 2146–2164, arXiv:0909.3737, Bibcode:2009MNRAS.399.2146W, doi:10.1111/j.1365-2966.2009.15416.x, S2CID 6066790.
  2. ^ Kuhn, Michael A.; Hillenbrand, Lynne A.; Sills, Alison; Feigelson, Eric D.; Getman, Konstantin V. (2018). "Kinematics in Young Star Clusters and Associations with Gaia DR2". The Astrophysical Journal. 870 (1): 32. arXiv:1807.02115. Bibcode:2019ApJ...870...32K. doi:10.3847/1538-4357/aaef8c. S2CID 119328315.
  3. ^ a b Gilmour, Jess K. (2012), The Practical Astronomer's Deep-sky Companion, The Patrick Moore Practical Astronomy Series, Springer Science & Business Media, p. 13, ISBN 978-1447100713
  4. ^ Marco, Amparo; et al. (April 2001), "Photometric and Spectroscopic Study of the Young Open Cluster NGC 1893", The Astronomical Journal, 121 (4): 2075–2088, arXiv:astro-ph/0101348, Bibcode:2001AJ....121.2075M, doi:10.1086/319950, S2CID 18289257.
  5. ^ Lim, Beomdu; et al. (September 2014), "Sejong Open Cluster Survey (SOS) - III. The young open cluster NGC 1893 in the H II region W8", Monthly Notices of the Royal Astronomical Society, 443 (1): 454–473, arXiv:1406.3090, Bibcode:2014MNRAS.443..454L, doi:10.1093/mnras/stu1170
  6. ^ Kuhn, Michael A.; Getman, Konstantin V.; Feigelson, Eric D. (2015). "The Spatial Structure of Young Stellar Clusters. Ii. Total Young Stellar Populations". The Astrophysical Journal. 802 (1): 60. arXiv:1501.05300. Bibcode:2015ApJ...802...60K. doi:10.1088/0004-637X/802/1/60. ISSN 1538-4357. S2CID 119309858.
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