NGC 6649 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 6649" in English language version.

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Alonso-Santiago, J.; Negueruela, I.; Marco, A.; Tabernero, H. M.; Castro, N. (December 2020). "Three open clusters containing Cepheids: NGC 6649, NGC 6664, and Berkeley 55". Astronomy & Astrophysics. 644: A136. arXiv:2009.12418. doi:10.1051/0004-6361/202038495.
Mathew, Blesson; Subramaniam, Annapurni; Bhatt, Bhuwan Chandra (21 August 2008). "Be phenomenon in open clusters: results from a survey of emission-line stars in young open clusters". Monthly Notices of the Royal Astronomical Society. 388 (4): 1879–1888. arXiv:0804.1498. doi:10.1111/j.1365-2966.2008.13533.x.

Gao, Xinhua (9 November 2023). "A clustering (DBSCAN+GMM) investigation of the young open cluster NGC 6649". Monthly Notices of the Royal Astronomical Society. 527 (2): 1784–1793. doi:10.1093/mnras/stad3358.
Turner, D. G. (February 1981). "Comments on the Cluster Main Sequence Fitting Method - Part Two - a Reexamination of the Data for NGC6649 and the Cepheid V367-SCUTI". The Astronomical Journal. 86: 231. doi:10.1086/112878.
Walker, A. R.; David Laney, C. (1 January 1987). "CCD photometry of galactic clusters containing Cepheid variables - IV. NGC 6649". Monthly Notices of the Royal Astronomical Society. 224 (1): 61–74. doi:10.1093/mnras/224.1.61.
Alonso-Santiago, J.; Negueruela, I.; Marco, A.; Tabernero, H. M.; Castro, N. (December 2020). "Three open clusters containing Cepheids: NGC 6649, NGC 6664, and Berkeley 55". Astronomy & Astrophysics. 644: A136. arXiv:2009.12418. doi:10.1051/0004-6361/202038495.
Mathew, Blesson; Subramaniam, Annapurni; Bhatt, Bhuwan Chandra (21 August 2008). "Be phenomenon in open clusters: results from a survey of emission-line stars in young open clusters". Monthly Notices of the Royal Astronomical Society. 388 (4): 1879–1888. arXiv:0804.1498. doi:10.1111/j.1365-2966.2008.13533.x.