Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26as...65..309v&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 65, no. 2, Aug. 1986, p. 309-347.
Astronomy and Astrophysics
Astrophysics
36
Astronomical Catalogs, Pleiades Cluster, Star Clusters, Stellar Spectrophotometry, Ubv Spectra, B Stars, Main Sequence Stars, Radio Spectra, Star Distribution
Scientific paper
Photometric data are presented for 390 known or suspected members of the Pleiades cluster. The data were obtained in 1979 at ESO using the Walraven VBLUW photometer and the Dutch 91-cm telescope. A comparison was made with subsets obtained with the same telescope and instrumentation at the former Leiden Southern Station at the SAAO annex during 1976 and 1977, and with data obtained at ESO during 1980 and 1981. The much improved performance of the telescope and the photometer at their new site is obvious from these comparisons. The stars measured comprise the selection of possible members by Hertzsprung (1947) brighter than m(pg) = 14.5 and a selection of possible members in the outer region of the cluster by Pels et al. (1975). Of the stars selected, 66 were found not to be members. A few of these are possibly escaping members. The present data set provides a well determined main sequence over the range K2V to B9V, as well as data on some of the probably premain-sequence K2-to-K5 and postmain-sequence B8-to-B6 stars. Finding charts for the stars selected by Pels are presented in an appendix.
Alphenaar P.
Brand Jan
van Leeuwen Floor
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