Infrared colors of the chemically peculiar stars of the upper main sequence

A program of J, H, K, L-prime, M photometry of CP stars and normal comparison stars has been carried out at the Mauna Kea Observatory. The infrared colors of the CP and normal stars are found to be similar to each other, and to the predictions of normal model atmospheres, to within at worst 20 perce...

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Bibliographic Details
Published in:Astronomy and astrophysics (Berlin) 1983-08, Vol.125 (1), p.29-33
Main Authors: BONSACK, W. K, DYCK, H. M
Format: Article
Language:English
Subjects:
Astronomy
Earth, ocean, space
Exact sciences and technology
Normal stars (by class): general or individual
Stars
Online Access:Get full text
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Summary:A program of J, H, K, L-prime, M photometry of CP stars and normal comparison stars has been carried out at the Mauna Kea Observatory. The infrared colors of the CP and normal stars are found to be similar to each other, and to the predictions of normal model atmospheres, to within at worst 20 percent. These results do not support the conclusion of Groote et al. (1980, 1981) that infrared excesses at 5 microns are found in CP stars with magnetic fields.
ISSN:0004-6361
1432-0746