3 papers
astro-ph.SR2019
A White Dwarf with Transiting Circumstellar Material Far Outside the Roche Limit
Z. Vanderbosch, J. J. Hermes, E. Dennihy +9
We report the discovery of a white dwarf exhibiting deep, irregularly shaped transits, indicative of circumstellar planetary debris. Using Zwicky Transient Facility DR2 photometry…
astro-ph.HE2018
Variable Heating and Flaring of Three Redback Millisecond Pulsar Companions
Patricia B. Cho, Jules P. Halpern, Slavko Bogdanov
We are monitoring established and putative redback millisecond pulsars (MSPs) in time-series photometry, repeatedly covering their 5-6 hr orbital light curves in or $R…
astro-ph.HE2018
Optical Studies of 15 Hard X-ray Selected Cataclysmic Binaries
J. P. Halpern, J. R. Thorstensen, P. Cho +5
We conducted time-resolved optical spectroscopy and/or time-series photometry of 15 cataclysmic binaries that were discovered in hard X-ray surveys by the Swift Burst Alert Telesco…