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Mon. Not. R. Astron. Soc. 382, 239244 (2007) doi:10.1111/j.1365-2966.2007.12338.x The first high-amplitude Scuti star in an eclipsing binary system
 

Summary: Mon. Not. R. Astron. Soc. 382, 239­244 (2007) doi:10.1111/j.1365-2966.2007.12338.x
The first high-amplitude Scuti star in an eclipsing binary system
J. L. Christiansen,1
A. Derekas,2
M. C. B. Ashley,1
J. K. Webb,1
M. G. Hidas,1,3,4
D. W. Hamacher1
and L. L. Kiss2
1School of Physics, University of New South Wales, Sydney 2052, Australia
2School of Physics, University of Sydney, Sydney 2006, Australia
3Las Cumbres Observatory Global Telescope, Goleta, CA 93117, USA
4Department of Physics, University of California, Santa Barbara, CA 93106, USA
Accepted 2007 August 11. Received 2007 August 10; in original form 2007 August 3
ABSTRACT
We report the discovery of the first high-amplitude Scuti star in an eclipsing binary, which we
have designated UNSW-V-500. The system is an Algol-type semi-detached eclipsing binary
of maximum brightness V = 12.52 mag. A best-fitting solution to the binary light curve and
two radial velocity curves is derived using the Wilson­Devinney code. We identify a late-A
spectral-typeprimary componentofmass 1.49 ±0.02 M andalate-Kspectral-typesecondary

  

Source: Ashley, Michael C. B. - School of Physics, University of New South Wales

 

Collections: Physics