Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...386..926v&link_type=abstract
Astronomy and Astrophysics, v.386, p.926-935 (2002)
Astronomy and Astrophysics
Astrophysics
10
Stars: Variables, Stars: Supergiants, Stars: Individual S 18, R 66 = Hde 268835, R 126 = Hd 37974
Scientific paper
We discuss photometric monitoring (VBLUW system) of three B[e] supergiants. All three objects appear to be variable. They are subject to two (R 66 and R 126 in the LMC) and three (S 18 in the SMC) types of light oscillations which range from a few days to years, and are probably due to pulsations. We argue that a classification as alpha Cyg variables is justified. Their classification as mixed B[e]/S Dor variables is less certain, though not impossible. Also based on other cases, a strong B[e]-S Dor variable connection seems to be present. Based on observations obtained at the European Southern Observatory at La Silla, Chile.
Sterken Christiaan
van Genderen Arnout M.
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