Astronomy and Astrophysics – Astronomy
Scientific paper
May 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974mnras.167..237g&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 167, May 1974, p. 237-249.
Astronomy and Astrophysics
Astronomy
87
Astronomical Catalogs, Astronomical Photometry, Infrared Astronomy, Variable Stars, A Stars, B Stars, Early Stars, F Stars, Hot Stars, Late Stars, Stellar Envelopes, T Tauri Stars
Scientific paper
An infrared photometric survey of 89 RW Aur type variables in both hemispheres has been made. JHKL magnitudes and colors are listed. The RW Aur variables include a small number of highly reddened late-type stars. All T Tauri and hot Orion population stars show infrared excesses and the infrared properties mark certain field stars as being young. The greatest infrared excesses are found for A and F stars while young variable B stars usually show no excesses. The location of the RW Aur stars in the two-color H-K, K-L diagram favor dust re-radiation over free-free emission as the mechanism responsible for the infrared excess. A weak correlation of H-K with emission class links the occurrence of circumstellar dust and gas shells.
Glass S000. I.
Penston Michael V.
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