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A Search for Exozodiacal Dust and Faint Companions near Sirius, Procyon, and Altair with the NICMOS Coronagraph

Kuchner, Marc J. and Brown, Michael E. (2000) A Search for Exozodiacal Dust and Faint Companions near Sirius, Procyon, and Altair with the NICMOS Coronagraph. Publications of the Astronomical Society of the Pacific, 112 (772). pp. 827-832. ISSN 0004-6280. http://resolver.caltech.edu/CaltechAUTHORS:20120927-094516802

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Abstract

We observed Sirius, Altair, and Procyon with the NICMOS coronagraph on the Hubble Space Telescope to look for scattered light from exozodiacal dust and faint companions within 10 AU from these stars. We did not achieve enough dynamic range to surpass the upper limits set by IRAS on the amount of exozodiacal dust in these systems, but we did set strong upper limits on the presence of nearby late‐type and substellar companions.


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http://dx.doi.org/10.1086/316581DOIUNSPECIFIED
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Additional Information:© 2000 Astronomical Society of the Pacific. Received 2000 January 20; accepted 2000 March 8. We thank Glen Schneider and Aaron Evans for help with the data reduction and Edo Berger, John Carpenter, Micol Christopher, Ulyana Dyudina, David Frayer, Roy Gal, Pensri Ho, Matthew Hunt, Shardha Jogee, Olga Kuchner, Charlie Qi, Michael Santos, Alice Shapley, and David Vakil for searching for artificial stars in our data. This research made use of the SIMBAD database, operated at the Centre de Donnees de Strasbourg (CDS), Strasbourg, France. Support for this work was provided by NASA through grant GO‐07441.01‐96A from the Space Telescope Science Institute, which is operated by AURA, Inc., under NASA contract NAS 5‐26555. Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555.
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NASA Space Telescope Science Institute GO-07441.01-96A
Record Number:CaltechAUTHORS:20120927-094516802
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120927-094516802
Official Citation:A Search for Exozodiacal Dust and Faint Companions near Sirius, Procyon, and Altair with the NICMOS Coronagraph Marc J. Kuchner and Michael E. Brown Publications of the Astronomical Society of the Pacific , Vol. 112, No. 772 (June 2000), pp. 827-832 Published by: The University of Chicago Press on behalf of the Astronomical Society of the Pacific Article DOI: 10.1086/316581 Article Stable URL: http://www.jstor.org/stable/10.1086/316581
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34497
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:27 Sep 2012 20:37
Last Modified:27 Sep 2012 20:37

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