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MOST satellite photometry of stars in the M67 field: eclipsing binaries, blue stragglers and δ Scuti variables

Authors
  • Theodor, Pribulla
  • Slavek, Rucinski
  • Jaymie M, Matthews
  • Thomas, Kallinger
  • Rainer, Kuschnig
  • Jason Rowe
  • David B, Guenther
  • Anthony F J, Moffat
  • Dimitar, Sasselov
  • Gordon A H, Walker
  • Werner W, Weiss
Type
Published Article
Journal
Monthly Notices of the Royal Astronomical Society
Publisher
Oxford University Press
Publication Date
Nov 21, 2008
Volume
391
Issue
1
Pages
343–353
Source
SETI Institute
License
Unknown

Abstract

We present two series of MOST (Microvariability and Oscillations of STars) space- based photometry, covering nearly continuously 10 d in 2004 and 30 d in 2007, of selected variable stars in the upper main sequence of the old open cluster M67. New high-precision light curves were obtained for the blue straggler binary/triple systems AH Cnc, ES Cnc and EV Cnc. The precision and phase coverage of ES Cnc and EV Cnc is by far superior to any previous observations. The light curve of ES Cnc is modelled in detail, assuming two dark ...

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