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First 2.2 micrometer results from the iota interferometerWe present the first infrared fringe visibility measurements made with the Infrared Optical Telescope Array on Mt. Hopkins. Effective temperatures are derived for RX Boo, RS Cnc, and Beta Peg. RX Boo is the coolest small-amplitude variable giant star to have an effective temperature determination. We compare the size of its photosphere at infrared wavelengths with the sizes of its SiO and H20 radio emission regions. We also discuss initial performance parameters for the interferometer.
Document ID
19950053224
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Dyck, H. M.
(University of Wyoming, Laramie, WY United States)
Benson, J. A.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Carlton, N. P.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Coldwell, C.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Lacasse, M. G.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Nisenson, P.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Panasyuk, A.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Papaliolios, C.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Pearlman, R. D.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Reasenberg, R. D.
(Smithsonian Center for Astrophysics, Cambridge, MA United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1995
Publication Information
Publication: The Astronomical Journal
Volume: 109
Issue: 1669
ISSN: 0004-6256
Subject Category
Astronomy
Accession Number
95A84823
Funding Number(s)
CONTRACT_GRANT: NSG7-176
CONTRACT_GRANT: NSF AST-90-21181
Distribution Limits
Public
Copyright
Other

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