Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.229...31w&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 229, Nov. 1, 1987, p. 31-40.
Astronomy and Astrophysics
Astronomy
28
Astronomical Photometry, Cepheid Variables, Color-Magnitude Diagram, Star Clusters, B Stars, Main Sequence Stars, Pre-Main Sequence Stars, Ubv Spectra
Scientific paper
A colour-magnitude diagram is given for the galactic open cluster Ruprecht 79. Of the 161 stars measured, 77 are considered to be cluster members. The absorption-corrected distance modulus is 12.55 ± 0.16 mag, this assumes R = 3.05 and E(B-V) = 0.794 for the B stars and is referenced to a Pleiades modulus of 5.57 mag. If the Cepheid CS Vel is a cluster member then it has
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