activity
19952026
most citedExplosion Models for Type Ia Supernovae: A Comparison with Observed Light Curves, distances, H_o and q_o

480 citations · 3.2k across the 82 of their papers we have counts for

collaborators

85 papers

astro-ph.SR2026

The 91T/99aa-like Type Ia Supernova 2019vrq, Part I: Photometry, Spectroscopy, and Spectropolarimetry of a Nearly Standard Candle

Yi Yang, Peter Hoeflich, J. Craig Wheeler +16

Among the various major subtypes of Type Ia supernovae (SNe), the luminous 1991T-like (Filippenko et al. 1992; Phillips et al. 1992) and 1999aa-like (Krisciunas et al. 2000; Garavi…

astro-ph.SR2026

The 91T/99aa-like Type Ia Supernova 2019vrq, Part II: 3D, Non-LTE, Low-Amplitude, Pulsating Delayed-Detonation Models of a Promising Standard Candle

Peter Hoeflich, Yi Yang, J. Craig Wheeler +11

We analyze the overluminous, 91T/99aa-like Type~Ia SN 2019vrq, based on light curves(LCs) and spectropolarimetric time-series. We employ 3D-radiation-hydrodynamical, full non-LTE s…

astro-ph.HE2024

Extrapolation of Type Ia Supernova Spectra into the Near-Infrared Using PCA

Anthony Burrow, E. Baron, Christopher R. Burns +14

We present a method of extrapolating the spectroscopic behavior of Type Ia supernovae (SNe Ia) in the near-infrared (NIR) wavelength regime up to 2.30 m using optical spectrosco…

astro-ph.HE2024

JWST NIRSpec+MIRI Observations of the nearby Type IIP supernova 2022acko

M. Shahbandeh, C. Ashall, P. Hoeflich +65

We present JWST spectral and photometric observations of the Type IIP supernova (SN) 2022acko at ~50 days past explosion. These data are the first JWST spectral observations of a c…

astro-ph.HE2023

JWST MIRI/MRS Observations and Spectral Models of the Under-luminous Type Ia Supernova 2022xkq

J. M. DerKacy, C. Ashall, P. Hoeflich +44

We present a JWST mid-infrared spectrum of the under-luminous Type Ia Supernova (SN Ia) 2022xkq, obtained with the medium-resolution spectrometer on the Mid-Infrared Instrument (MI…

astro-ph.HE2023

Strong Carbon Features and a Red Early Color in the Underluminous Type Ia SN 2022xkq

Jeniveve Pearson, David J. Sand, Peter Lundqvist +85

We present optical, infrared, ultraviolet, and radio observations of SN 2022xkq, an underluminous fast-declining type Ia supernova (SN Ia) in NGC 1784 ( Mpc),…