Photometry of Praesepe in BVRI colors

Details Photometry of Praesepe in BVRI colors Photometry of Praesepe in BVRI colors

Oct 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84.1586u&link_type=abstract

Astronomical Journal, vol. 84, Oct. 1979, p. 1586-1590.

Other

38

Colorimetry, Late Stars, Star Clusters, Stellar Spectrophotometry, Ubv Spectra, Astronomical Catalogs, Astronomical Photometry, Binary Stars, Electrophotometry, Main Sequence Stars

Scientific paper

Results are reported for BVRI photoelectric photometry of 55 stars in the region of the Praesepe cluster. Distance moduli are derived independently from V, B-V and V, R-I diagrams. These diagrams indicate that five of the stars do not appear to be cluster members and that 13 others are possibly binary members of Praesepe. The remaining stars are found to define a sequence similar in slope to that of the Hyades and lying 3.0 mag below it. Best values of 6.20 + or - 0.05 mag for the modulus and 174 + or - 4 pc for the distance of Praesepe are adopted.

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