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WFIRST Ultra-Precise Astrometry II: Asteroseismology
A. Gould, D. Huber, M. Penny +1
WFIRST microlensing observations will return high-precision parallaxes, sigma(pi) < 0.3 microarcsec, for the roughly 1 million stars with H<14 in its 2.8 deg^2 field toward the Gal…
Microlens Masses from 1-D Parallaxes and Heliocentric Proper Motions
Andrew Gould
One-dimensional (1-D) microlens parallaxes can be combined with heliocentric lens-source relative proper motion measurements to derive the lens mass and distance, as suggested by G…
A New Method to Calibrate the Stellar Color/Surface-Brightness Relation
Andrew Gould
I show that the standard microlensing technique to measure the angular radius of a star using color/surface-brightness relations can be inverted, via late-time proper motion measur…
Optimal Survey Strategies and Predicted Planet Yields for the Korean Microlensing Telescope Network
Calen B. Henderson, B. Scott Gaudi, Cheongho Han +4
The Korean Microlensing Telescope Network (KMTNet) will consist of three 1.6m telescopes each with a 4 deg^{2} field of view (FoV) and will be dedicated to monitoring the Galactic…
WFIRST Ultra-Precise Astrometry I: Kuiper Belt Objects
Andrew Gould
I show that the WFIRST microlensing survey will enable detection and precision orbit determination of Kuiper Belt Objects (KBOs) down to H_=28.2 over an effective area of about 17…
Three New Cool Brown Dwarfs Discovered with the Wide-field Infrared Survey Explorer (WISE) and an Improved Spectrum of the Y0 Dwarf WISE J041022.71+150248.4
Michael C. Cushing, J. Davy Kirkpatrick, Christopher R. Gelino +3
As part of a larger search of Wide-field Infrared Survey Explorer (WISE) data for cool brown dwarfs with effective temperatures less than 1000 K, we present the discovery of three…