Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...195..172v&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 195, no. 1-2, April 1988, p. 172-178.
Astronomy and Astrophysics
Astrophysics
1
Open Clusters, Supergiant Stars, Ubv Spectra, Variable Stars, Astronomical Catalogs, Color-Color Diagram, Error Analysis, Stellar Spectra
Scientific paper
We present Walraven VBLUW-photometry of three supergiants, HD80404 (F0Ib), HD90853 (F0Ib) and HD85891 (K5Ib), and a small, anonymous cluster around the latter object, HD 85891. The observations were conducted in order to search for possible variations in the brightness of the supergiants and to derive photometric and physical parameters. No convincing variations in brightness can be demonstrated for the two F-supergiants, but the K-supergiant is variable on a timescale of 96 days.
van der Wal S. E.
van Genderen Arnout M.
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