On the possible variability of the main sequence A stars theta Virginis and 109 Virginis

Details On the possible variability of the main sequence A stars theta Virginis and 109 Virginis On the possible variability of the main sequence A stars theta Virginis and 109 Virginis

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26as..125..497a&link_type=abstract

A & A Supplement series, Vol. 125, November I 1997, 497-499.

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5

Stars: Individual: Theta Vir, Stars: Individual: 109 Vir, Stars: Variables: Other

Scientific paper

Differential Stromgren uvby photometric observations from the Four College Automated Photoelectric Telescope are used to examine the possible variability of the spectrophotometric standards theta Vir and 109 Vir. No evidence is found for variability within a season of observation. Small year to year differences are most likely due to unaccounted for extinction changes. Tables 2 and 3 will be available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html

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