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Debris Disk Science with the Palomar ExAO System: First Results

Published online by Cambridge University Press:  06 January 2014

Matthew Wahl
Affiliation:
Dept. of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794
Stanimir Metchev
Affiliation:
Dept. of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794
Rahul Patel
Affiliation:
Dept. of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794
Eugene Serabyn
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Dimitri Mawet
Affiliation:
European Southern Observatory (ESO), Alonso de Cordova 3107 Vitacura, 763 0355, Santiago, Chile
Richard Dekany
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu
Jennifer Roberts
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Rick Burruss
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Antonin Bouchez
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu Now at Giant Magellan Telescope Observatory Corp., Pasadena, CA 91106, USA
Tuan Truong
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Christoph Baranec
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu
Stephen Guiwits
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
David Hale
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu
John Angione
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Thang Trinh
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Jeffry Zolkower
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu Now at Department of Astronomy, Cornell University, Ithaca, NY 14853, USA
J. Christopher Shelton
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Dean Palmer
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
John Henning
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu
Ernest Croner
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu
Mitchell Troy
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
Dan McKenna
Affiliation:
Caltech Optical Observatories, California Institute of Technology, 1200 E. California Blvd., MC 11-17, Pasadena, CA 91125, USA; rgd@astro.caltech.edu
Jonathan Tesch
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Blvd., Pasadena, CA 91109, USA
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Abstract

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We present first imaging results from the PALM-3000 adaptive optics system and PHARO camera on the Hale 5 m telescope. Observations using a vector vortex coronagraph have given us direct detections of the two-ring dusty debris system around the star HD 141569. Our observations reveal the inner clearing in the disk to unprecedentedly small angular separations, and are the most sensitive yet at the H and K bands. We are for the first time able to measure and compare the colors of the scattered light in the inner and outer dust rings, and find that the outer ring is significantly bluer than the inner ring.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013 

References

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