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LSST Observing Strategy White Paper: LSST Observations of WFIRST Deep Fields
R. J. Foley, A. M. Koekemoer, D. N. Spergel +38
The Wide-Field Infrared Survey Telescope (WFIRST) is expected to launch in the mid-2020s. With its wide-field near-infrared (NIR) camera, it will survey the sky to unprecedented de…
Galaxy formation in the Planck Millennium: the atomic hydrogen content of dark matter halos
C. M. Baugh, Violeta Gonzalez-Perez, Claudia D. P. Lagos +7
We present recalibrations of the GALFORM semi-analytical model of galaxy formation in a new N-body simulation with the Planck cosmology. The Planck Millennium simulation uses more…
The hot white dwarf in the peculiar binary nucleus of the planetary nebula EGB6
K. Werner, T. Rauch, J. W. Kruk
EGB6 is an extended, faint old planetary nebula (PN) with an enigmatic nucleus. The central star (PG0950+139) is a hot DAOZ-type white dwarf (WD). An unresolved, compact emission k…
The WFIRST Exoplanet Microlensing Survey
David P. Bennett, Rachel Akeson, Jay Anderson +71
The Wide Field Infrared Survey Telescope (WFIRST) was the top ranked large space mission in the 2010 New Worlds, New Horizons decadal survey, and it was formed by merging the scien…
First detection of bromine and antimony in hot stars
K. Werner, T. Rauch, M. Knoerzer +1
Bromine (atomic number Z=35) and antimony (Z=51) are extremely difficult to detect in stars. In very few instances, weak and mostly uncertain identifications of Br I, Br II, and Sb…
Search for trans-iron elements in hot, helium-rich white dwarfs with the HST Cosmic Origins Spectrograph
D. Hoyer, T. Rauch., K. Werner +1
The metal abundances in the atmospheres of hot white dwarfs (WDs) entering the cooling sequence are determined by the preceding Asymptotic Giant Branch (AGB) evolutionary phase and…