Photometric Monitoring of Pre Main-Sequence Stars - Part Three - Variability of Herbig Be-Stars

Details Photometric Monitoring of Pre Main-Sequence Stars - Part Three - Variability of Herbig Be-Stars Photometric Monitoring of Pre Main-Sequence Stars - Part Three - Variability of Herbig Be-Stars

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.247..517d&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 247, NO. 3/DEC1, P. 517, 1990

Astronomy and Astrophysics

Astronomy

30

Scientific paper

We present the conclusions from a programme of optical and infrared monitoring of 19 Herbig Ae/Be stars and show that some objects selected using the criteria of Herbig are not pre-main-sequence objects. The data are examined to verify reported trends of variability with spectral type, to compare optical and near infrared variability and to determine the causes of such variability. We find that the dependence of the amplitude of variability on spectral type is not as well defined as implied by Finkenzeller & Mundt and that a variety of variability mechanisms are probably at work.

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