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The Combined Ultraviolet, Optical, and Near-Infrared Light Curves of the Kilonova Associated with the Binary Neutron Star Merger GW170817: Unified Data Set, Analytic Models, and Physical Implications
V. Ashley Villar, James Guillochon, Edo Berger +10
We present the first effort to aggregate, homogenize, and uniformly model the combined ultraviolet, optical, and near-infrared dataset for the electromagnetic counterpart of the bi…
Observations of SN 2015F suggest a correlation between the intrinsic luminosity of Type Ia supernovae and the shape of their light curves >900 days after explosion
Or Graur, David R. Zurek, Armin Rest +6
The late-time light curves of Type Ia supernovae (SNe Ia), observed days after explosion, present the possibility of a new diagnostic for SN Ia progenitor and explosion mode…
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. II. UV, Optical, and Near-IR Light Curves and Comparison to Kilonova Models
P. S. Cowperthwaite, E. Berger, V. A. Villar +141
We present UV, optical, and NIR photometry of the first electromagnetic counterpart to a gravitational wave source from Advanced LIGO/Virgo, the binary neutron star merger GW170817…
MOSFiT: Modular Open-Source Fitter for Transients
James Guillochon, Matt Nicholl, V. Ashley Villar +5
Much of the progress made in time-domain astronomy is accomplished by relating observational multi-wavelength time series data to models derived from our understanding of physical…
The superluminous supernova SN 2017egm in the nearby galaxy NGC 3191: a metal-rich environment can support a typical SLSN evolution
Matt Nicholl, Edo Berger, Raffaella Margutti +4
At redshift z=0.03, the recently-discovered SN 2017egm is the nearest Type I superluminous supernova (SLSN) to date, and first near the center of a massive spiral galaxy (NGC 3191)…
Theoretical Models of Optical Transients. I. A Broad Exploration of the Duration-Luminosity Phase Space
V. Ashley Villar, Edo Berger, Brian D. Metzger +1
The duration-luminosity phase space of optical transients is used, mostly heuristically, to compare various classes of transient events, to explore the origin of new transients, an…