activity
20182026
most citedDiscovery of the Fastest Early Optical Emission from Overluminous SN Ia 2020hvf: A Thermonuclear Explosion within a Dense Circumstellar Environment

50 citations · 205 across the 30 of their papers we have counts for

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Showing 2024Show all

8 papers · 1 filter

astro-ph.SR2024

Smart Kanata: A Framework for Autonomous Decision Making in Rapid Follow-up Observations of Cataclysmic Variables

Makoto Uemura, Yuzuki Koga, Ryosuke Sazaki +11

Studying the early stages of transient events provides crucial information about the fundamental physical processes in cataclysmic variables (CVs). However, determining an appropri…

astro-ph.SR2024

Discovery of Two New Eruptions of the Ultrashort Recurrence Time Nova M31N 2017-01e

Allen W. Shafter, Jingyuan Zhao, Kamil Hornoch +15

We report the recent discovery of two new eruptions of the recurrent nova M31N 2017-01e in the Andromeda galaxy. The latest eruption, M31N 2024-08c, reached on 2024 August…

astro-ph.HE2024

SN 2021foa: the bridge between SN IIn and Ibn

Anjasha Gangopadhyay, Naveen Dukiya, Takashi J Moriya +26

We present the long-term photometric and spectroscopic analysis of a transitioning SN~IIn/Ibn from 10.8 d to 150.7 d post -band maximum. SN~2021foa shows prominent He {\sc i}…

astro-ph.SR2024

MASTER OT J030227.28+191754.5: an unprecedentedly energetic dwarf nova outburst

Yusuke Tampo, Taichi Kato, Keisuke Isogai +60

We present a detailed study of the MASTER OT J030227.28+191754.5 outburst in 2021-2022, reaching an amplitude of 10.2 mag and a duration of 60 d. The detections of (1) the double-p…

astro-ph.HE2024

Unravelling the asphericities in the explosion and multi-faceted circumstellar matter of SN 2023ixf

Avinash Singh, R. S. Teja, T. J. Moriya +33

We present a detailed investigation of photometric, spectroscopic, and polarimetric observations of the Type II SN 2023ixf. Earlier studies have provided compelling evidence for a…

astro-ph.SR2024

Optical and soft X-ray light-curve analysis during the 2022 eruption of U Scorpii: structural changes in the accretion disk

Katsuki Muraoka, Naoto Kojiguchi, Junpei Ito +52

We present our optical photometric observations of the 2022 eruption of the recurrent nova U Scorpii (U Sco) using 49,152 data points over 70 d following the optical peak. We have…

astro-ph.HE2024

Intermediate-luminosity Type IIP SN 2021gmj: a low-energy explosion with signatures of circumstellar material

Yuta Murai, Masaomi Tanaka, Miho Kawabata +28

We present photometric, spectroscopic and polarimetric observations of the intermediate-luminosity Type IIP supernova (SN) 2021gmj from 1 to 386 days after the explosion. The peak…

astro-ph.HE2024★ 8 cited

The enigmatic double-peaked stripped-envelope SN 2023aew

Tuomas Kangas, Hanindyo Kuncarayakti, Takashi Nagao +29

We present optical and near-infrared photometry and spectroscopy of SN 2023aew and our findings on its remarkable properties. This event, initially resembling a Type IIb supernova…