activity
20232026
most citedSN 2020udy: A new piece of the homogeneous bright group in the diverse Iax subclass

2 citations · 2 across the 9 of their papers we have counts for

collaborators

12 papers

astro-ph.HE2026

SN 2025qe: A case study of diversity in low-luminosity thermonuclear explosions

Hrishav Das, Anirban Dutta, Devendra K. Sahu +3

We present optical photometric and spectroscopic observations of SN 2025qe, a Type Iax supernova in IC 0529, monitored from to rest-frame days relative to -band ma…

astro-ph.GA2026

Rubin J122659.4+090236: An Extremely Low Surface Brightness Galaxy Candidate Discovered in the Rubin LSST Early Data Preview 2

Dipanjan Mitra, Kanak Saha, Sugata Kaviraj +28

We report the serendipitous discovery of an exceptionally low surface brightness galaxy (LSBG) candidate, Rubin J122659.4+090236, in Rubin Observatory imaging of the interacting NG…

astro-ph.HE2026

Can We Find the Emission Mechanism Behind the Extremely Bright GRB 230812B?

Utkarsh Pathak, Sameer K. Patil, Hitesh Tanenia +23

GRB 230812B is a bright long-duration GRB with a luminous, long-lived afterglow and an AstroSat/CZTI polarization measurement during the prompt phase, enabling a joint study of its…

astro-ph.HE2026

Photometric and Spectroscopic Studies of Type Ic Supernovae SN 2020akf and SN 2021mxx

Mulchand Kurre, K. R. Sahu, Shrutika Tiwari +8

We present a comprehensive analysis of optical photometry and medium-resolution spectroscopy for Type Ic supernovae (SNe) SN 2020akf and SN 2021mxx. Our study covers the evolution…

astro-ph.SR2026

SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope

J. -W. Zhao, A. Pastorello, B. Kumar +45

We aimed to investigate the physical properties and the underlying explosion mechanisms of the Type IIb SN 2025aico. Through a comprehensive analysis of early-phase optical light c…

astro-ph.HE2026

Decadal pre-explosion activity and circumstellar interaction in a supernova

Ting-Wan Chen, Amar Aryan, Sheng Yang +52

When a massive star explodes as a supernova, crucial information about its immediate environment is lost within hours. Here we report rapid optical observations from Lulin Observat…

astro-ph.GA2026

From DES to KiDS: Domain adaptation for cross-survey detection of low-surface-brightness galaxies

Hareesh Thuruthipilly, Krzysztof Lisiecki, Junais +19

Low-surface-brightness galaxies (LSBGs) are vital for understanding galaxy formation, but their diffuse nature makes them challenging to detect. Upcoming large-scale surveys are ex…

astro-ph.HE2025

Unveiling SN 2022eyw: A Bright Member of the Type Iax Supernova Subclass

Hrishav Das, Devendra K. Sahu, Anirban Dutta +3

We present comprehensive photometric and spectroscopic observations of Supernova (SN) 2022eyw, a luminous member of the Type Iax SN subclass. SN 2022eyw reached a peak absolute mag…

astro-ph.HE2024★ 2 cited

SN 2020udy: A new piece of the homogeneous bright group in the diverse Iax subclass

Mridweeka Singh, Devendra K. Sahu, Barnabas Barna +23

We present optical observations and analysis of a bright type Iax SN~2020udy hosted by NGC 0812. The light curve evolution of SN~2020udy is similar to other bright Iax SNe. Analyti…

astro-ph.HE2023

Characterizing the Ordinary Broad-lined Type Ic SN 2023pel from the Energetic GRB 230812B

Gokul P. Srinivasaragavan, Vishwajeet Swain, Brendan M. O'Connor +39

We report observations of the optical counterpart of the long gamma-ray burst (LGRB) GRB 230812B, and its associated supernova (SN) SN 2023pel. The proximity () and high…

astro-ph.HE2023

Bridging between type IIb and Ib supernovae: SN IIb 2022crv with a very thin Hydrogen envelope

Anjasha Gangopadhyay, Keiichi Maeda, Avinash Singh +26

We present optical, near-infrared, and radio observations of supernova (SN) SN~IIb 2022crv. We show that it retained a very thin H envelope and transitioned from a SN~IIb to a SN~I…

astro-ph.HE2023

A broadband X-ray study of the dwarf nova SS Cyg during quiescence and outburst

Anirban Dutta, Vikram Rana, Koji Mukai +1

We present a broadband X-ray study (\,0.3-50 keV) of the dwarf nova SS Cyg highlighting the changes in the accretion during two phases, the quiescence and the outburst states…