Photometric monitoring of pre-main sequence stars. II - BF ORI and UX ORI

Details Photometric monitoring of pre-main sequence stars. II - BF ORI and UX ORI Photometric monitoring of pre-main sequence stars. II - BF ORI and UX ORI

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237..695e&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, April 1, 1989, p. 695-705.

Astronomy and Astrophysics

Astronomy

15

Astronomical Photometry, Orion Constellation, Pre-Main Sequence Stars, Cosmic Dust, Infrared Photometry, Stellar Color, Stellar Envelopes

Scientific paper

A discussion of the infrared and optical photometric variability of the premain sequence stars BF Ori and UX Ori is presented. In the former case, the reddening that occurs during decline, at both optical and infrared wavelengths, is consistent with variable extinction by circumstellar grains having an interstellarlike reddening law. In the case of UX Ori, the data suggest variability due to starspots. In both cases, a study of the polarimetric variability would be valuable to confirm these conclusions.

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