3 papers
astro-ph.SR2020
The Outburst of the Young Star Gaia19bey
Klaus W. Hodapp, Larry Denneau, Michael Tucker +10
We report photometry and spectroscopy of the outburst of the young stellar object Gaia19bey. We have established the outburst light curve with archival Gaia G, ATLAS Orange, ZTF r-…
astro-ph.SR2020
COol Companions ON Ultrawide orbiTS (COCONUTS). I. A High-Gravity T4 Benchmark around an Old White Dwarf and A Re-Examination of the Surface-Gravity Dependence of the L/T Transition
Zhoujian Zhang, Michael C. Liu, J. J. Hermes +7
We present the first discovery from the COol Companions ON Ultrawide orbiTS (COCONUTS) program, a large-scale survey for wide-orbit planetary and substellar companions. We have dis…
astro-ph.SR2019
WISE J072003.20-084651.2B Is A Massive T Dwarf
Trent J. Dupuy, Michael C. Liu, William M. J. Best +21
We present individual dynamical masses for the nearby M9.5+T5.5 binary WISE J072003.20084651.2AB, a.k.a. Scholz's star. Combining high-precision CFHT/WIRCam photocenter astromet…