Astronomy and Astrophysics – Astronomy
Scientific paper
May 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.214...45w&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 214, May 1, 1985, p. 45-53.
Astronomy and Astrophysics
Astronomy
22
Astronomical Photometry, Cepheid Variables, Charge Coupled Devices, Color-Magnitude Diagram, Galactic Clusters, Open Clusters, Star Distribution
Scientific paper
A colour-magnitude diagram extending to V = 19 is given for 1019 stars in the open cluster NGC 6067. The true distance modulus is found to be 11.05±0.10 mag assuming E(B-V) = 0.35. A colour-magnitude diagram for an adjacent field shows that the Norma star cloud is at a similar distance to NGC 6067. The Cepheids CPD -53°7400A (p = 11.3 day) and HD 144972 (p = 3.8 day) have >MV< = -3.77±0.10 and >MV< = -3.27±0.10, respectively, if they are cluster members.
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