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Inferring Rotation Periods of Young Stars from Synoptic Observations

Published online by Cambridge University Press:  20 April 2012

Patrick Hartigan ,
Christopher M. Johns-Krull  and
Paul Scowen
Patrick Hartigan
Affiliation:
Dept. of Physics and Astronomy, Rice University, Houston, TX, USA emails: [email protected]; [email protected]
Christopher M. Johns-Krull
Affiliation:
Dept. of Physics and Astronomy, Rice University, Houston, TX, USA emails: [email protected]; [email protected]
Paul Scowen
Affiliation:
School of Earth and Space Exploration, Arizona State University, Tempe, AZ, USA email: [email protected]
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Abstract

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Using known distributions for the periods, amplitudes and light-curve shapes of young stars, we examine how well one could measure periods of these objects in the upcoming era of large synoptic surveys. Surveys like the LSST should be able to recover accurate rotation periods for over 90% of targets of interest in regions near to massive-star formation. That information will usher in a new era in our understanding of how the angular momentum of a young star/disk system evolves with time.

Keywords

stars: pre-main-sequencestars: rotation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S285: New Horizons in Time-Domain Astronomy , September 2011 , pp. 327 - 330
Copyright
Copyright © International Astronomical Union 2012

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