BQ Ind: a double-mode SX Phoenicis star?

Details BQ Ind: a double-mode SX Phoenicis star? BQ Ind: a double-mode SX Phoenicis star?

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aspc..292..121s&link_type=abstract

Interplay of Periodic, Cyclic and Stochastic Variability in Selected Areas of the H-R Diagram. Edited by C. Sterken, ASP Conf. S

Astronomy and Astrophysics

Astronomy

3

Scientific paper

From time-series photometry of BQ Ind we derive a primary f1= 12.1951
c/d and a secondary frequency f2= 15.7686 c/d. The period ratio
P2/P1=0.7734 suggests that BQ Ind is a double-mode SX Phoenicis Star.
With f1 the fundamental mode and f2 the first overtone, this ratio
leads to an estimate of the mass M ~ 1.40 Msun.

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