2 papers
astro-ph2007
The Spitzer 24-micron Photometric Light Curve of the Eclipsing M-dwarf Binary GU Bootis
Kaspar von Braun, Gerard T. van Belle, David Ciardi +3
We present a carefully controlled set of Spitzer 24 \micron MIPS time series observations of the low mass eclipsing binary star GU Boötis (GU Boo). Our data cover three secondary e…
astro-ph2001
Altair's Oblateness and Rotation Velocity
Gerard T. van Belle, David R. Ciardi, Robert R. Thompson +2
We present infrared interferometric angular size measurements for the A7IV-V star Altair which indicate a non-circular projected disk brightness distribution. Given the known rapid…