Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...62..129m&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 62, Oct. 1985, p. 129-136.
Astronomy and Astrophysics
Astrophysics
10
Astronomical Photometry, Open Clusters, Peculiar Stars, B Stars, Electrophotometry, Stellar Spectrophotometry
Scientific paper
Seventy-four stars in the clusters NGC 5460, NGC 6087, and IC 4725 which belong to the young to medium age range were measured photoelectrically in the Delta a-system (Maitzen, 1976) in order to search for peculiar stars. In IC 4725, three CP2-stars were found, and two in each of the remaining clusters. Only one of them had been recognized by spectroscopy. Larger than normal seems to be the reddening correction of the a-values for the stars of NGC 6087. Substantial variable reddening was found only in IC 4725. Zero-points of V of the different published photometries were compared using the authors' own photometry and deviating objects were noted, including the Be-star HD 170682.
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