activity
20152025
most citedThe diversity of Type II supernova versus the similarity in their progenitors

366 citations · 930 across the 10 of their papers we have counts for

collaborators

10 papers

astro-ph.HE2025★ 11 cited

Limits on the Ejecta Mass During the Search for Kilonovae Associated with Neutron Star-Black Hole Mergers: A case study of S230518h, GW230529, S230627c and the Low-Significance Candidate S240422ed

M. Pillas, S. Antier, K. Ackley +78

Neutron star-black hole (NSBH) mergers, detectable via their gravitational-wave (GW) emission, are expected to produce kilonovae (KNe). Four NSBH candidates have been identified an…

astro-ph.HE2019★ 34 cited

Carnegie Supernova Project-II: Near-infrared Spectroscopic Diversity of Type II Supernovae

S. Davis, E. Y. Hsiao, C. Ashall +24

We present near-infrared (NIR) spectra of Type II supernovae (SNe II) from the Carnegie Supernova Project-II (CSP-II), the largest such dataset published to date. We iden…

astro-ph.SR2019★ 45 cited

Signatures of Circumstellar Interaction in the Type IIL Supernova ASASSN-15oz

K. Azalee Bostroem, Stefano Valenti, Assaf Horesh +27

Hydrogen-rich, core-collapse supernovae are typically divided into four classes: IIP, IIL, IIn, and IIb. In general, interaction with circumstellar material is only considered for…

astro-ph.HE2018★ 35 cited

Near-infrared spectral evolution of the Type Ia supernova 2014J in the nebular phase: implications for the progenitor system

T. R. Diamond, P. Hoeflich, E. Y. Hsiao +11

As the closest Type Ia supernova in decades, SN 2014J provides a unique opportunity for detailed investigation into observational signatures of the progenitor system and explosion…

astro-ph.GA2018★ 36 cited

Stability of the Broad Line Region Geometry and Dynamics in Arp 151 Over Seven Years

A. Pancoast, A. J. Barth, K. Horne +24

The Seyfert 1 galaxy Arp 151 was monitored as part of three reverberation mapping campaigns spanning . We present modeling of these velocity-resolved reverberation mappi…

astro-ph.HE2017★ 140 cited

Early Blue Excess from the Type Ia Supernova 2017cbv and Implications for Its Progenitor

Griffin Hosseinzadeh, David J. Sand, Stefano Valenti +11

We present very early, high-cadence photometric observations of the nearby Type Ia SN 2017cbv. The light curve is unique in that it has a blue bump during the first five days of ob…

astro-ph.GA2016★ 21 cited

Post-maximum near infrared spectra of SN 2014J: A search for interaction signatures

D. J. Sand, E. Y. Hsiao, D. P. K. Banerjee +7

We present near infrared (NIR) spectroscopic and photometric observations of the nearby Type Ia SN 2014J. The seventeen NIR spectra span epochs from +15.3 to +92.5 days after -b…

astro-ph.HE2016★ 40 cited

Optical and near infrared observations of SN 2014ck: an outlier among the Type Iax supernovae

L. Tomasella, E. Cappellaro, S. Benetti +18

We present a comprehensive set of optical and near-infrared photometric and spectroscopic observations for SN 2014ck, extending from pre-maximum to six months later. These data ind…

astro-ph.SR2016★ 366 cited

The diversity of Type II supernova versus the similarity in their progenitors

S. Valenti, D. A. Howell, M. D. Stritzinger +19

High-quality collections of Type II supernova (SN) light curves are scarce because they evolve for hundreds of days, making follow-up observations time consuming and often extendin…

astro-ph.GA2015★ 202 cited

The Lick AGN Monitoring Project 2011: Spectroscopic Campaign and Emission-Line Light Curves

A. J. Barth, V. N. Bennert, G. Canalizo +27

In the Spring of 2011 we carried out a 2.5 month reverberation mapping campaign using the 3 m Shane telescope at Lick Observatory, monitoring 15 low-redshift Seyfert 1 galaxies. Th…