Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...154..308s&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 154, no. 1-2, Jan. 1986, p. 308-312.
Astronomy and Astrophysics
Astrophysics
10
Open Clusters, Stellar Spectrophotometry, Supergiant Stars, Variable Stars, Color-Magnitude Diagram, Hertzsprung-Russell Diagram, Interstellar Extinction, Ubv Spectra
Scientific paper
The authors present and discuss VBLUW-photometry of HD 80077 and HD 74180, two galactic hypergiants, and in addition also of the young open cluster Pismis 11, of which HD 80077 presumably is a member. Both hypergiants were observed for several months during two consecutive years, and appear to show small, irregular variations in brightness and colours. The results of the observations concerning distances and reddening do not contradict other studies of these stars.
Steemers J. G. W.
van Genderen Arnout M.
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