GA
G. C. Anupama
astro-ph.HEastro-ph.SRastro-phastro-ph.IMastro-ph.GAastro-ph.COastro-ph.EPgr-qc
On Valency
published · living versionsW_6umdtcx4·v1 · currentpublished
Real-time Discovery of AT2020xnd: A Fast, Luminous Ultraviolet Transient with Minimal Radioactive Ejecta
with Daniel A. Perley, Anna Y. Q. Ho, Yuhan Yao, Christoffer Fremling +27
1 version
Preprints & journals
167 papers in the corpus · 1996–2026On the Nature of the BeWD System Nova FQ Circinus2610.26957v1 · Shatakshi Chamoli, Philip A. Charles, Judhajeet Basu et al.2026 · 0 citationsarXiv
Study of the Ultra-Long GRB 220627A: Exploring a Possible Blue Supergiant Collapsar Origin2610.02889v1 · Ayush Garg, Amit Shukla, Dorottya Sz'ecsi et al.2026 · 0 citationsarXiv
SN 2025qe: A case study of diversity in low-luminosity thermonuclear explosions2609.35720v1 · Hrishav Das, Anirban Dutta, Devendra K. Sahu et al.2026 · 0 citationsarXiv
Tomography analysis of the intermediate-luminosity Type Iax SN 2024pxl2609.28712v1 · Barnab'as Barna, Mridweeka Singh, Lindsey A. Kwok et al.2026 · 0 citationsarXiv
SN 2023gfo: A Peculiar Type IIP Supernova with High Luminosity and Normal Plateau Duration2608.16006v1 · Riko Namba, Masayuki Yamanaka, Keiichi Maeda et al.2026 · 0 citationsarXiv
Exploring the multi-wavelength properties of the high energetic event ZTF20abbiixp/GRB 200524A: from prompt emission to afterglow2608.09704v1 · A. Ghosh, Dimple, K. Misra et al.2026 · 0 citationsarXiv
One year of broadband radio monitoring of the enigmatic transient GRB 250702B reveals the evolution of the relativistic jet2608.03205v1 · A. J. Goodwin, James C. A. Miller-Jones, Itai Sfaradi et al.2026 · 0 citationsarXiv
Can We Find the Emission Mechanism Behind the Extremely Bright GRB 230812B?2607.18437v1 · Utkarsh Pathak, Sameer K. Patil, Hitesh Tanenia et al.2026 · 0 citationsarXiv
Photometric and Spectroscopic Studies of Type Ic Supernovae SN 2020akf and SN 2021mxx2607.12525v1 · Mulchand Kurre, K. R. Sahu, Shrutika Tiwari et al.2026 · 0 citationsarXiv
SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope2607.10671v1 · J.-W. Zhao, A. Pastorello, B. Kumar et al.2026 · 0 citationsarXiv
Two years of shock interaction tracing three phases of evolution: the explosion of a Type IIn supernova, SN 2019vxm2606.25896v1 · Gitika Rameshan, Rishabh Singh Teja, D. K. Sahu et al.2026 · 0 citationsarXiv
X-rays breaking out of pre-explosion ejecta mark a supernova's first light2606.10014v2 · Weimin Yuan, Qiu-Ju Huang, Jin-Ping Zhu et al.2026 · 0 citationsarXiv
Earliest simultaneous multi-color optical observations of GRB 230328B: from 41 seconds to the host-galaxy identification2606.04585v2 · T. Komesh, A. Pozanenko, N. Pankov et al.2026 · 0 citationsMon Not R Astron Soc (2026)
Subluminous Type IIP SN 2024abfl as a Result of a Significantly Low-energy Fe-core Collapse2605.29363v2 · Rishabh Singh Teja, D. K. Sahu, G. C. Anupama et al.2026 · 0 citationsThe Astrophysical Journal, Volume 1005, Issue 1, id.4, 16 pp. (2026)
SN 2023dbc in M108: Optical and Near-Infrared Observations of a Highly-Obscured, Moderately Energetic Stripped-Envelope Supernova2605.16916v1 · Masayuki Yamanaka, Takahiro Nagayama, Akari Kumano et al.2026 · 0 citationsarXiv
Nebular Phase Evolution of SN 2023ixf (I): From Circumstellar Infrared Echo to the onset of in-situ Dust Formation in a Type II Supernova2603.14137v1 · Avinash Singh, S. Goto, A. Sarangi et al.2026 · 0 citationsarXiv
Long GRB 250916A: an Off-axis Powerlaw Jet with Thermal Cocoon2603.11170v1 · Utkarsh Pathak, Sameer K. Patil, Hitesh Tanenia et al.2026 · 0 citationsarXiv
Optical observations of the fast nova V1674 Herculis2602.19940v2 · Neeraj Singh Rawat, L. S. Sonith, U. S. Kamath et al.2026 · 1 citationMonthly Notices of the Royal Astronomical Society, Volume 547, Issue 4, April 2026, stag361
A Study of Two Type IIb Supernovae: SNe 2008aq and 2019gaf2601.07450v1 · Mridweeka Singh, Devendra K. Sahu, Raya Dastidar et al.2026 · 0 citationsarXiv
Unveiling SN 2022eyw: A Bright Member of the Type Iax Supernova Subclass2512.23428v2 · Hrishav Das, Devendra K. Sahu, Anirban Dutta et al.2025 · 0 citationsApJ 999 10 (2026)
GRB 230204B: GIT Discovery of a Fast Fading Afterglow Associated with an Energetic GRB from a Massive-Star Progenitor2512.03136v2 · Vishwajeet Swain, Varun Bhalerao, Harsh Kumar et al.2025 · 1 citationarXiv
Characterising EP241107a: Multiwavelength Observations of an Einstein Probe-detected Fast X-ray Transient2511.02562v1 · D. Eappachen, A. Balasubramanian, Vishwajeet Swain et al.2025 · 4 citationsMon Not R Astron Soc (2025)
ZTF25abjmnps (AT2025ulz) and S250818k: A Candidate Superkilonova from a Sub-threshold Sub-Solar Gravitational Wave Trigger2510.23732v2 · Mansi M. Kasliwal, Tomas Ahumada, Robert Stein et al.2025 · 0 citationsarXiv
Survival of the accretion disk in LMC Recurrent Nova 1968-12a: UV--X-ray case study of the 2024 eruption2510.11231v1 · Judhajeet Basu, G.C. Anupama, Jan-Uwe Ness et al.2025 · 1 citation2025 ApJ 994 229
GRB 250704B: An Off-axis Short GRB with a Long-Lived Afterglow Plateau2509.02769v2 · Vishwajeet Swain, Tom'as Ahumada, Sameer K. Patil et al.2025 · 3 citationsarXiv
The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the X-rays and Radio2509.00952v1 · A.J. Nayana, Raffaella Margutti, Eli Wiston et al.2025 · 13 citationsarXiv
Challenging Classical Paradigms: Recurrent Nova M31N 2017-01e, a BeWD system in M31?2508.02227v1 · Shatakshi Chamoli, Judhajeet Basu, Sudhanshu Barway et al.2025 · 6 citationsarXiv
LIGO/Virgo/KAGRA neutron star merger candidate S250206dm: Zwicky Transient Facility observations2507.00357v1 · Tom'as Ahumada, Shreya Anand, Mattia Bulla et al.2025 · 1 citationarXiv
The Jetted Tidal Disruption Event AT2022cmc: Investigating Connections to the Optical Tidal Disruption Event Population and Spectral Subclasses Through Late-Time Follow-up2506.08250v1 · Erica Hammerstein, S. Bradley Cenko, Igor Andreoni et al.2025 · 1 citationarXiv
SN 2024aecx: A double-peaked rapidly evolving Type IIb supernova at 11 Mpc2505.19831v2 · Xingzhu Zou, Brajesh Kumar, Rishabh Singh Teja et al.2025 · 5 citationsarXiv
Photometry and Spectroscopy of SN 2024pxl: A Luminosity Link Among Type Iax Supernovae2505.02943v2 · Mridweeka Singh, Lindsey A. Kwok, Saurabh W. Jha et al.2025 · 1 citationarXiv
JWST and Ground-based Observations of the Type Iax Supernovae SN 2024pxl and SN 2024vjm: Evidence for Weak Deflagration Explosions2505.02944v2 · Lindsey A. Kwok, Mridweeka Singh, Saurabh W. Jha et al.2025 · 14 citationsThe Astrophysical Journal Letters, Volume 989, Issue 2, id.L33, 24 pp., August 2025
Multi-Wavelength Analysis of AT 2023sva: a Luminous Orphan Afterglow With Evidence for a Structured Jet2501.03337v1 · Gokul P. Srinivasaragavan, Daniel A. Perley, Anna Y. Q. Ho et al.2025 · 10 citationsarXiv
Discovery and Detailed Study of the M31 Classical Nova AT 2023tkw: Evidence for Internal Shocks2411.18215v2 · Judhajeet Basu, Ravi Kumar, G. C. Anupama et al.2024 · 0 citationsarXiv
The Nature of Optical Afterglows Without Gamma-ray Bursts: Identification of AT2023lcr and Multiwavelength Modeling2411.07973v2 · Maggie L. Li, Anna Y. Q. Ho, Geoffrey Ryan et al.2024 · 8 citationsarXiv
A Partial Near-infrared Guide Star Catalog for Thirty Meter Telescope Operations2408.08180v1 · Sarang Shah, Smitha Subramanian, Avinash C. K. et al.2024 · 0 citationsThe Astronomical Journal, 168:59 (28pp), 2024 August
SN 2021wvw: A core-collapse supernova at the sub-luminous, slower, and shorter end of Type IIPs2407.13207v1 · Rishabh Singh Teja, Jared A. Goldberg, D. K. Sahu et al.2024 · 12 citationsarXiv
Unveiling the nature of two dwarf novae: CRTS J080846.2+313106 and V416 Dra2407.07387v1 · Arti Joshi, M'arcio Catelan, Simone Scaringi et al.2024 · 2 citationsarXiv
Exploring the archives: A search for novae in UVIT snapshots of M312406.10006v1 · Judhajeet Basu, Krishnendu S., Sudhanshu Barway et al.2024 · 4 citationsarXiv
Unravelling the asphericities in the explosion and multi-faceted circumstellar matter of SN 2023ixf2405.20989v2 · Avinash Singh, R.S. Teja, T.J. Moriya et al.2024 · 53 citationsarXiv
AT2020ohl: its nature and probable implications2405.16107v1 · Rupak Roy, Samir Mandal, D. K. Sahu et al.2024 · 2 citationsMNRAS 528, 2024, 6176 - 6192
Searching for gravitational wave optical counterparts with the Zwicky Transient Facility: summary of O4a2405.12403v1 · Tom'as Ahumada, Shreya Anand, Michael W. Coughlin et al.2024 · 22 citationsarXiv
Constraints on Triton atmospheric evolution from occultations: 1989-20222402.02476v1 · B. Sicardy, A. Tej, A. R. Gomes-Junior et al.2024 · 0 citationsarXiv
SN 2020udy: A new piece of the homogeneous bright group in the diverse Iax subclass2401.07107v1 · Mridweeka Singh, Devendra K. Sahu, Barnabas Barna et al.2024 · 9 citationsarXiv
Shock-driven synchrotron radio emission from the 2021 outburst of RS Ophiuchi2401.05643v1 · A. J. Nayana, G.C. Anupama, Nirupam Roy et al.2024 · 10 citationsarXiv
Intermediate-luminosity Type IIP SN 2021gmj: a low-energy explosion with signatures of circumstellar material2401.05837v1 · Yuta Murai, Masaomi Tanaka, Miho Kawabata et al.2024 · 14 citationsarXiv
Soft X-ray and FUV observations of Nova Her 2021 (V1674~Her) with AstroSat2312.10291v1 · Yash Bhargava, Gulab Chand Dewangan, G.C. Anupama et al.2023 · 10 citationsarXiv
Minutes-duration optical flares with supernova luminosities.37968403 · Ho, Anna Y Q, Perley, Daniel A, Chen, Ping et al.2023 · 29 citationsNature. 2023;623(7989):927-931
Characterizing the Ordinary Broad-lined Type Ic SN 2023pel from the Energetic GRB 230812B2310.14397v2 · Gokul P. Srinivasaragavan, Vishwajeet Swain, Brendan M. O'Connor et al.2023 · 0 citationsarXiv
Multi-wavelength observations of multiple eruptions of the recurrent nova M31N 2008-12a2310.06586v2 · Judhajeet Basu, M. Pavana, G.C. Anupama et al.2023 · 8 citationsarXiv
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