activity
20062026
most citedCosmological Constraints from Measurements of Type Ia Supernovae discovered during the first 1.5 years of the Pan-STARRS1 Survey

346 citations · 3k across the 51 of their papers we have counts for

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astro-ph.SR2016★ 78 cited

An ultraviolet excess in the superluminous supernova Gaia16apd reveals a powerful central engine

M. Nicholl, E. Berger, R. Margutti +5

Since the discovery of superluminous supernovae (SLSNe) in the last decade, it has been known that these events exhibit bluer spectral energy distributions than other supernova sub…

astro-ph.SR2016★ 42 cited

Variable and polarized radio emission from the T6 brown dwarf WISEP J112254.73+255021.5

P. K. G. Williams, J. E. Gizis, E. Berger

Route & Wolszczan (2016) recently detected five radio bursts from the T6 dwarf WISEP J112254.73+255021.5 and used the timing of these events to propose that this object rotates wit…

astro-ph.SR2016★ 12 cited

M Dwarf Activity in the Pan-STARRS 1 Medium-Deep Survey: First Catalog and Rotation Periods

Erin Kado-Fong, Peter K. G. Williams, Andrew W. Mann +9

We report on an ongoing project to investigate activity in the M dwarf stellar population observed by the Pan-STARRS 1 Medium Deep Survey (PS1-MDS). Using a custom-built pipeline,…

astro-ph.SR2016★ 35 cited

The Intermediate Luminosity Optical Transient SN 2010da: The Progenitor, Eruption and Aftermath of a Peculiar Supergiant High-mass X-ray Binary

V. Ashley Villar, Edo Berger, Ryan Chornock +7

We present optical spectroscopy, ultraviolet to infrared imaging and X-ray observations of the intermediate luminosity optical transient (ILOT) SN 2010da in NGC 300 (d=1.86 Mpc) sp…

astro-ph.SR2015★ 35 cited

The First Millimeter Detection of a Non-Accreting Ultracool Dwarf

P. K. G. Williams, S. L. Casewell, C. R. Stark +3

The well-studied M9 dwarf TVLM 513-46546 is a rapid rotator (P_rot ~ 2 hr) hosting a stable, dipolar magnetic field of ~3 kG surface strength. Here we report its detection with ALM…

astro-ph.SR2015★ 49 cited

The Rotation Period and Magnetic Field of the T Dwarf 2MASSI J1047539+212423 Measured From Periodic Radio Bursts

P. K. G. Williams, E. Berger

Periodic radio bursts from very low mass stars and brown dwarfs simultaneously probe their magnetic and rotational properties. The brown dwarf 2MASSI J1047539+212423 (2M 1047+21) i…