IRAS observations of RS CVn systems

Details IRAS observations of RS CVn systems IRAS observations of RS CVn systems

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...177..346v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 177, no. 1-2, May 1987, p. 346-349.

Astronomy and Astrophysics

Astronomy

11

Binary Stars, Infrared Spectra, Spaceborne Astronomy, Stellar Envelopes, Stellar Spectrophotometry, Cool Stars, Infrared Astronomy Satellite, Stellar Color, Stellar Magnitude

Scientific paper

Data on RS CVn stars detected by the Infrared Astronomical Satellite (IRAS) have been used to study infrared colour excesses in these systems. It is shown that RS CVn systems have a mean [12]-[25] colour excess of ≡0.06 as compared to standard stars. It is also shown from a sample of 13 systems for which K magnitudes are available that there is an excess in K-[12] colour also. Two systems TZ Tri and 39 Cet have large [12]-[25] excesses and one system HR 7428 has a large [25]-[60] excess, indicating circumstellar dust emission mechanism in these three systems.

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