Browsing Articles by Subject "Astrometry -- Data processing"

Now showing items 1-2 of 2

MOST space-based photometry of the transiting exoplanet system HD 189733: precise timing measurements for transits across an active star

Guenther, David B.; Miller-Ricci, Eliza; Rowe, Jason F.; Sasselov, Dimitar; Matthews, Jaymie M.; Kuschnig, Rainer; Croll, Bryce; Moffat, Anthony F. J.; Rucinski, Slavek M.; Walker, Gordon A. H. (American Astronomical SocietyIOP Publishing, 2008-07-20)

We have measured transit times for HD 189733b passing in front of its bright (V = 7.67), chromospherically active, and spotted parent star. Nearly continuous broadband optical photometry of this system was obtained with ...
MOST space-based photometry of the transiting exoplanet system HD 209458: transit timing to search for additional planets

Guenther, David B.; Miller-Ricci, Eliza; Rowe, Jason F.; Sasselov, Dimitar; Matthews, Jaymie M.; Kuschnig, Rainer; Moffat, Anthony F. J.; Rucinski, Slavek M.; Walker, Gordon A. H.; Weiss, Werner W. (American Astronomical SocietyIOP Publishing, 2008-07-20)

We report on the measurement of transit times for the HD 209458 planetary system from photometry obtained with the MOST (Microvariability and Oscillations of Stars) space telescope. Deviations from a constant orbital period ...

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