Physics
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21734105p&link_type=abstract
American Astronomical Society, AAS Meeting #217, #341.05; Bulletin of the American Astronomical Society, Vol. 43, 2011
Physics
1
Scientific paper
Convection remains one of the largest sources of theoretical uncertainty in our understanding of stellar physics, with implications ranging modeling the cores and envelopes of stars, planetary atmospheres, and accretion disks, to predicting the pulsation frequencies of solar-like stars. The WET is conducting a long term project to empirically determine the physical properties of convection in the atmospheres of pulsating white dwarfs. The technique, outlined by Montgomery et al. (2010), uses information from nonlinear (non-sinusoidal) pulse shapes of the target star to empirically probe the physical properties of its convection zone. EC14012-1446 and WDJ1524-0030 were chosen as candidates for this technique based on the characteristics of their light curves. We present results from WET runs in 2008 (EC14012-1446),and survey the remarkable behavior of WDJ1524-003 over from WET runs in 2009 and 2010.
Dalessio James
Earth Telescope Whole
Montgomery Martin
Mulally S.
Provencal Judith L.
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