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20102026
most citedImproved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples

1.9k citations · 16.8k across the 278 of their papers we have counts for

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99 papers · 1 filter

astro-ph.HE2026

The type Ia supernova 2023vjh: a peculiar 1991bg-like SN with unusually faint light curves

M. Kopsacheili, L. Galbany, G. Folatelli +32

We present observations of the 1991bg-like type Ia supernova (SN) 2023vjh, associated with the elliptical galaxy MCG+04-10-013. Its light-curve shape parameters ($Δm_{15}(B)=1.89 \…

astro-ph.HE2026

Decoding the Early-Time Light Curves of Type Ia Supernovae. II. Population Parameters of One Thousand ZTF Supernovae

Chang Liu, Adam A. Miller, Nikhil Sarin +13

Early-time light curves of Type Ia Supernovae (SNe Ia) encode critical information about their progenitor systems. We characterize the rise of normal SNe Ia using a volume-complete…

astro-ph.HE2026

JWST Medium-Resolution Infrared Spectroscopy of SN 2022acko: Tracing Molecule Formation in the Nebular Phase

K. Medler, T. Mera, C. Ashall +28

The Type II supernova (SN II) SN 2022acko was the first to be spectroscopically observed by the James Webb Space Telescope (). Here, we analyze SN 2022acko's second…

astro-ph.HE2026

Late-time JWST/NIRCam Observations of the Extremely Long-duration GRB 250702B/EP 250702a and Its Host Galaxy

Huei Sears, Jean J. Somalwar, Ryan Chornock +22

We present JWST/NIRCam observations of the extremely long-duration gamma-ray burst (GRB) 250702B taken at ~ 95 days post-GRB (observer frame). The observations of the host galaxy r…

astro-ph.HE2026

Probing a new subclass of llGRB-SN transients: Insights from EP250304a and its associated supernova

L. Cotter, A. Martin-Carrillo, R. A. J. Eyles-Ferris +62

With the advent of the Einstein Probe (EP) mission, we are entering a new era in the study of gamma-ray bursts (GRBs), enabling the detection of faint, low-luminosity transients th…

astro-ph.HE2026

Relative frequencies of core-collapse supernovae as a function of metallicity: observations vs theoretical predictions

Claudia P. Gutiérrez, Lluís Galbany, Joseph P. Anderson +4

Understanding supernova (SN) progenitors remains a major challenge in astrophysics, as it involves untangling the complex interplay between stellar physics (e.g., evolution, binari…