New color-magnitude diagrams and basic parameters of the open cluster NGC 5749

Details New color-magnitude diagrams and basic parameters of the open cluster NGC 5749 New color-magnitude diagrams and basic parameters of the open cluster NGC 5749

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aca....42..343c&link_type=abstract

Acta Astronomica (ISSN 0001-5237), vol. 42, no. 4, p. 343-353.

Other

3

Color-Magnitude Diagram, Open Clusters, Ubv Spectra, Variable Stars, Electrophotometry, Main Sequence Stars, Stellar Spectrophotometry

Scientific paper

New photoelectric UBV magnitudes and colors for 112 stars and DDO photometry of two red stars in the field of the open cluster NGC 5749 are presented. Using photometric membership criteria, only 30 percent of the observed stars appear to be cluster members, including one suspected variable star. The cluster does not probably contain any red giant. The reddening is variable across the cluster, the mean value being E(B - V) = 0.42 +/- 0.04 (s.d.). A distance of (1280 +/- 118) pc, an age of 2.7 x 10 exp 7 yr and other basic cluster parameters are derived.

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