3 papers
astro-ph.SR2018
The Substellar Transition Zone: A Stretched Temperature Canyon in Brown Dwarf Population due to Unsteady Hydrogen Fusion
ZengHua Zhang
I summarize results on transitional and degenerate brown dwarfs presented in a series titled Primeval very low-mass stars and brown dwarfs. I introduce an L subdwarf classification…
astro-ph.SR2018
Microlens mass determination for Gaia's predicted photometric events
Peter McGill, Leigh C. Smith, N. Wyn Evans +2
We used Gaia Data Release 2 to search for upcoming photometric microlensing events, identifying two candidates with high amplification. In the case of candidate 1, a spectrum of th…
astro-ph.GA2018
The Science Advantage of a Redder Filter for WFIRST
John Stauffer, George Helou, Robert A. Benjamin +13
WFIRST will be capable of providing Hubble-quality imaging performance over several thousand square degrees of the sky. The wide-area, high spatial resolution survey data from WFIR…