Infrared variability of some magnetic chemically peculiar stars

Details Infrared variability of some magnetic chemically peculiar stars Infrared variability of some magnetic chemically peculiar stars

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...248..179c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 248, no. 1, Aug. 1991, p. 179-187.

Astronomy and Astrophysics

Astrophysics

17

Infrared Stars, Light Curve, Magnetic Stars, Peculiar Stars, Stellar Composition, Metallicity, Stellar Magnetic Fields, Stellar Temperature

Scientific paper

An IR investigation has been conducted of eight southern, magnetically chemically peculiar (CP2) stars brighter than sixth visual magnitudes. The data obtained show that CP2 stars, which exhibit pronounced light variability in the visible, display similar IR lightcurves, albeit with smaller amplitudes. The near-IR lightcurves appear to have no phase relation with respect to the visible ones; instead, they exhibit phase relations to the magnetic-field variations. The limited validity of the common assumption that CP2 stars behave normally in the IR, at least in the matter of the constancy of its light, is noted.

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