activity
20242026
collaborators

5 papers

astro-ph.HE2026

SN 2023zcu: A Type IIP SN with Early Flash Features

Monalisa Dubey, Kuntal Misra, Géza Csörnyei +51

We present a detailed photometric and spectroscopic analysis of the Type IIP supernova SN~2023zcu, which exploded in the galaxy NGC~2139 (redshift = 0.006). SN~2023zcu exhibits…

astro-ph.HE2026

Multiwavelength Analysis of Six Luminous Fast Blue Optical Transients

Cassie Sevilla, Anna Y. Q. Ho, Nayana A. J. +43

We present multiwavelength observations and analysis of six luminous fast blue optical transients (LFBOTs) discovered in Zwicky Transient Facility (ZTF) survey data. We identified…

astro-ph.EP2025

Transit Timing of the White Dwarf-cold Jupiter System WD 1856+534

Eli A. Gendreau-Distler, Kate B. Bostow, Kishore C. Patra +17

We present new transit-timing measurements for the white dwarf-cold Jupiter system WD 1856+534, extending the baseline of observations from 311 epochs to 1498 epochs. The planet is…

astro-ph.GA2025

SN 2023ixf in the Pinwheel Galaxy M101: From Shock Breakout to the Nebular Phase

Weikang Zheng, Luc Dessart, Alexei V. Filippenko +39

We present photometric and spectroscopic observations of SN 2023ixf covering from day one to 442 days after explosion. SN 2023ixf reached a peak -band absolute magnitude of $-18…

astro-ph.EP2024

Searching for Tidal Orbital Decay in Hot Jupiters

Efrain Alvarado, Kate B. Bostow, Kishore C. Patra +18

We study transits of several ``hot Jupiter'' systems - including WASP-12 b, WASP-43 b, WASP-103 b, HAT-P-23 b, KELT-16 b, WD 1856+534 b, and WTS-2 b - with the goal of detecting ti…