NOAO >   Observing Info >   Approved Programs >   2012A-0265

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Proposal Information for 2012A-0265


PI: Jacqueline Faherty, Universidad de Chile, Cerro Calan, jfaherty@amnh.org
Address: Astrophysics, Camino El Observatorio 1515, Santiago, Las Condes XXX, Chile

CoI: Adam Burgasser, UCSD
CoI: Nicole van der Bliek, CTIO
CoI: Kelle Cruz, Hunter College
CoI: Frederick Vrba, USNO Flagstaff
CoI: Emily Rice, College of Staent Island

Title: The Brown Dwarf Kinematics Project: Disentangling How Dust and Age Effect Brown Dwarf and Exoplanet Data

Abstract: The distances and kinematics of brown dwarfs provide key statistical constraints on their ages, moving group membership, absolute brightnesses, evolutionary trends, and multiplicity. Targeting isolated subsets of the population with distinct youth, metallicity, or atmospheric characteristics for astrometric follow-up creates a well- calibrated sample which can be used to test how secondary parameters such as age, metallicity, and dust effect the observable properties of the population. Since massive, young exoplanets overlap in temperature with late-type brown dwarfs, such samples are key to understanding directly-imaged exoplanet data. We propose a continuation of our approved long-term astrometric program using CTIO 4m + ISPI and CTIO 1.3m + ANDICAM to complete, refine, and/or begin obtaining the parallax and proper motion for a sample of 20 young brown dwarf/exoplanet-analogs and 50 low luminosity L/T transition objects ideal for studying how dust and age effect the population.


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NOAO >   Observing Info >   Approved Programs >   2012A-0265

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