NOAO > Observing Info > Approved Programs > 2013B-0203
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NOAO > Observing Info > Approved Programs > 2013B-0203 |
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PI: Deborah Padgett, NASA/Goddard Space Flight Center, deborah.l.padgett@nasa.gov
Address: Code 665, 8800 Greenbelt Road, Greenbelt, MD 20771, USA
CoI: Wilson Liu, Infrared Processing and Analysis Center
CoI: Farisa Morales, Jet Propulsion Laboratory
CoI: Karl Stapelfeldt, NASA/Goddard Space Flight Center
Title: Characterization of WISE Debris Disk Stars - 2013B
Abstract:
We propose to acquire low dispersion spectra with the SOAR Goodman
Spectrograph of new debris disk stars identified from the Wide-field
Infrared Survey Explorer (WISE survey of the entire sky. Despite many
targeted surveys for stellar disks in the solar neighborhood by Spitzer
Space Telescope, the census of disks remains incomplete at mid-IR
sensitivity levels better than the IRAS limits. The improved
sensitivity and spatial resolution of the all-sky WISE survey for debris
disks (Padgett et al., submitted) has recently improved this situation,
identifying Hipparcos and Tycho stars with mid-infrared excess out to
distances of 120 pc. With the SOAR spectrograph we will characterize
the new candidate debris disk stars in the southern sky, providing a
uniform set of stellar classifications and information on a range of
spectroscopic activity indicators related to stellar age. These data
will help to constrain the stellar properties of an important new set of
solar neighbors with evidence of planetary systems.
National Optical Astronomy Observatory, 950 North Cherry Avenue, P.O. Box 26732, Tucson, Arizona 85726, Phone: (520) 318-8000, Fax: (520) 318-8360
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NOAO > Observing Info > Approved Programs > 2013B-0203 |
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