A Spitzer IRAC Imaging Survey for T Dwarf Companions around M, L, and T Dwarfs: Observations, Results, and Monte Carlo Population Analyses

We report observational techniques, results, and Monte Carlo population analyses from a Spitzer Infrared Array Camera imaging survey for substellar companions to 117 nearby M, L, and T dwarf systems (median distance of 10 pc, mass range of 0.6 to ~0.05 M ). The two-epoch survey achieves typical dete...

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Bibliographic Details
Published in:The Astrophysical journal 2011-12, Vol.743 (2), p.141-jQuery1323900390426='48', Article 141
Main Authors: Carson, J. C, Marengo, M, Patten, B. M, Luhman, K. L, Sonnett, S. M, Hora, J. L, Schuster, M. T, Allen, P. R, Fazio, G. G, Stauffer, J. R, Schnupp, C
Format: Article
Language:English
Subjects:
Astronomy
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
COMPUTERIZED SIMULATION
Earth, ocean, space
Exact sciences and technology
INCLINATION
MASS
MONTE CARLO METHOD
PROPER MOTION
RANDOMNESS
STAR EVOLUTION
STARS
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Summary:We report observational techniques, results, and Monte Carlo population analyses from a Spitzer Infrared Array Camera imaging survey for substellar companions to 117 nearby M, L, and T dwarf systems (median distance of 10 pc, mass range of 0.6 to ~0.05 M ). The two-epoch survey achieves typical detection sensitivities to substellar companions of [4.5 Delta *mm]
ISSN:0004-637X
1538-4357
DOI:10.1088/0004-637X/743/2/141