RD
R. Dastidar
astro-ph.HEastro-ph.SRastro-ph.GAastro-ph.IMcs.AI
On Valency
published · living versionsW_ahvq3aca·v1 · currentpublished
Observations of the luminous red nova AT 2021biy in the nearby galaxy NGC 4631
with Y. -Z. Cai, A. Pastorello, M. Fraser, X. -F. Wang +71
1 version
Preprints & journals
51 papers in the corpus · 2017–2026Tomography analysis of the intermediate-luminosity Type Iax SN 2024pxl2609.28712v1 · Barnab'as Barna, Mridweeka Singh, Lindsey A. Kwok et al.2026 · 0 citationsarXiv
Wild behaviour near the finish line: the Type Ibn SN 2020able and its stratified environment2608.07661v1 · L. Tartaglia, E. Cappellaro, G. Valerin et al.2026 · 0 citationsarXiv
SN 2022xus: bridging the gap between Type IIP and IIL supernovae2607.25323v1 · Monalisa Dubey, Kuntal Misra, Naveen Dukiya et al.2026 · 0 citationsarXiv
Early Near-Infrared Excess and Rapid Disk-Corona Evolution in the Tidal Disruption Event 2024aepd2607.14696v2 · Yongxin Wu, Yanan Wang, Thomas M. Reynolds et al.2026 · 0 citationsarXiv
Querying an astronomical database using large language models: the ALeRCE text-to-SQL system2606.18108v1 · P.A. Estevez, J.Espejo-Moreira, S. Sanfeliu-Alvarez et al.2026 · 0 citationsarXiv
Early interaction signatures and an extended plateau phase in Type II SN 2020aze2605.06313v1 · B. Ailawadhi, R. Dastidar, K. Misra et al.2026 · 0 citationsarXiv
SN 2023zcu: A Type IIP SN with Early Flash Features2601.14830v1 · Monalisa Dubey, Kuntal Misra, G'eza Csornyei et al.2026 · 1 citationarXiv
A Study of Two Type IIb Supernovae: SNe 2008aq and 2019gaf2601.07450v1 · Mridweeka Singh, Devendra K. Sahu, Raya Dastidar et al.2026 · 0 citationsarXiv
SN 2024abfl: A Flat-Plateau, Low-Luminosity Type IIP Supernova with Early CSM Interaction2601.02638v1 · Madison Gerard, Jennifer E. Andrews, Geoffrey C. Clayton et al.2026 · 0 citationsarXiv
SN 2021tsz: A luminous, short photospheric phase Type II supernova in a low-metallicity host2510.05426v1 · R. Dastidar, G. Pignata, N. Dukiya et al.2025 · 0 citationsA&A 703, A224 (2025)
Discovery and Analysis of Afterglows from Poorly Localised GRBs with the Gravitational-wave Optical Transient Observer (GOTO) All-sky Survey2509.09827v2 · Amit Kumar, B. P. Gompertz, B. Schneider et al.2025 · 2 citationsMNRAS, Volume 544, Issue 2, December 2025, Pages 1541-1587
Progenitor Insights of Type IIP SN 2018pq: A Comprehensive Photometric and Spectroscopic Study2506.16148v1 · Monalisa Dubey, Kuntal Misra, Raya Dastidar et al.2025 · 6 citationsarXiv
SN 2023xgo: Helium-rich Type Icn or Carbon-Flash Type Ibn supernova?2506.10700v2 · Anjasha Gangopadhyay, Jesper Sollerman, Konstantinos Tsalapatas et al.2025 · 6 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
Early Light Curve Excess in Type IIb Supernovae Observed by the ATLAS Survey: Qualitative Constraints on Progenitor Systems2503.05909v1 · Bastian Ayala (1, Joseph P. Anderson (3, G. Pignata (2 et al.2025 · 10 citationsA&A 701, A128 (2025)
SN 2018is: a low-luminosity Type IIP supernova with narrow hydrogen emission lines at early phases2501.01530v1 · R. Dastidar, K. Misra, S. Valenti et al.2025 · 15 citationsA&A 694, A260 (2025)
Signatures of the Shock Interaction as an Additional Power Source in the Nebular Spectra of SN 2023ixf2412.03509v2 · Amit Kumar, Raya Dastidar, Justyn R. Maund et al.2024 · 17 citationsarXiv
AT 2021hdr: A candidate tidal disruption of a gas cloud by a binary super massive black hole system2411.08949v1 · L. Hern'andez-Garc'ia, A. M. Munoz-Arancibia, P. Lira et al.2024 · 1 citationarXiv
The fast rise of the unusual Type IIL/IIb SN 2018ivc2409.16890v1 · A. Reguitti, R. Dastidar, G. Pignata et al.2024 · 4 citationsA&A 692, A26 (2024)
SN 2021foa: the bridge between SN IIn and Ibn2409.02666v3 · Anjasha Gangopadhyay, Naveen Dukiya, Takashi J Moriya et al.2024 · 8 citationsarXiv
CSS161010: a luminous, fast blue optical transient with broad blueshifted hydrogen lines2408.04698v2 · Claudia P. Guti'errez, Seppo Mattila, Peter Lundqvist et al.2024 · 0 citationsarXiv
A study in scarlet -- I. Photometric properties of a sample of Intermediate Luminosity Red Transients2407.21671v1 · G. Valerin, A. Pastorello, A. Reguitti et al.2024 · 8 citationsA&A 695, A42 (2025)
A study in scarlet -- II. Spectroscopic properties of a sample of Intermediate Luminosity Red Transients2407.21733v1 · G. Valerin, A. Pastorello, E. Mason et al.2024 · 6 citationsA&A 695, A43 (2025)
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
Magnetars as Powering Sources of Gamma-Ray Burst Associated Supernovae, and Unsupervised Clustering of Cosmic Explosions2403.18076v1 · Amit Kumar, Kaushal Sharma, Jozsef Vink'o et al.2024 · 1 citationarXiv
Searching for precursor activity of Type IIn Supernovae2403.10398v1 · A. Reguitti, G. Pignata, A. Pastorello et al.2024 · 17 citationsA&A 686, A231 (2024)
SN 2019nyk: A rapidly declining Type II supernova with early interaction signatures2403.00927v1 · Raya Dastidar, Giuliano Pignata, Naveen Dukiya et al.2024 · 8 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
Bridging between type IIb and Ib supernovae: SN IIb 2022crv with a very thin Hydrogen envelope2309.07463v2 · Anjasha Gangopadhyay, Keiichi Maeda, Avinash Singh et al.2023 · 15 citationsarXiv
Observational properties of a bright type Iax SN 2018cni and a faint type Iax SN 2020kyg2305.12713v1 · Mridweeka Singh, Devendra. K. Sahu, Raya Dastidar et al.2023 · 6 citationsarXiv
Photometric and spectroscopic analysis of the Type II SN 2020jfo with a short plateau2211.02823v1 · B. Ailawadhi, R. Dastidar, K. Misra et al.2022 · 15 citationsarXiv
Optical studies of a bright Type Iax supernova SN 2020rea2210.11752v1 · Mridweeka Singh, Kuntal Misra, Devendra K. Sahu et al.2022 · 9 citationsarXiv
DELIGHT: Deep Learning Identification of Galaxy Hosts of Transients using Multi-resolution Images2208.04310v1 · Francisco Forster, Alejandra M. Munoz Arancibia, Ignacio Reyes et al.2022 · 13 citationsarXiv
Panchromatic evolution of three luminous red novae: Forbidden hugs in pandemic times -- IV2208.02782v2 · A. Pastorello, G. Valerin, M. Fraser et al.2022 · 17 citationsA&A 671, A158 (2023)
Observations of the luminous red nova AT 2021biy in the nearby galaxy NGC 46312207.00734v2 · Y.-Z. Cai, A. Pastorello, M. Fraser et al.2022 · 28 citationsA&A 667, A4 (2022)on Valency
Evolution of A Peculiar Type Ibn Supernova SN 2019wep2203.15194v2 · Anjasha Gangopadhyay, Kuntal Misra, Griffin Hosseinzadeh et al.2022 · 13 citationsarXiv
A global look into the world of interacting supernovae2203.06576v1 · Anjasha Gangopadhyay, Kuntal Misra, Koji Kawabata et al.2022 · 0 citationsarXiv
Circumstellar Medium Constraints on the Environment of Two Nearby Type Ia Supernovae: SN 2017cbv and SN 2020nlb2108.11407v1 · D. J. Sand, S. K. Sarbadhicary, C. Pellegrino et al.2021 · 27 citationsarXiv
The optical properties of three type II supernovae: 2014cx, 2014cy and 2015cz2103.09166v1 · R. Dastidar, K. Misra, M. Singh et al.2021 · 10 citationsarXiv
The fast evolving type Ib Supernova SN 2015dj in NGC 73712101.09430v1 · Mridweeka Singh, Kuntal Misra, Stefano Valenti et al.2021 · 3 citationsarXiv
Photometric and spectroscopic evolution of the peculiar Type IIn SN 2012ab2008.10482v1 · Anjasha Gangopadhyay, Massimo Turatto, Stefano Benetti et al.2020 · 12 citationsarXiv
Optical studies of two stripped envelope supernovae SN 2015ap (Type Ib) and SN 2016P (Type Ic)2006.09810v2 · Anjasha Gangopadhyay, Kuntal Misra, D. K. Sahu et al.2020 · 21 citationsarXiv
Flash ionization signatures in the type Ibn supernova SN 2019uo1912.07878v1 · Anjasha Gangopadhyay, Kuntal Misra, Daichi Hiramatsu et al.2019 · 36 citationsarXiv
SN 2015an: a normal luminosity type II supernova with low expansion velocity at early phases1909.10602v1 · Raya Dastidar, Kuntal Misra, Stefano Valenti et al.2019 · 9 citationsarXiv
SN 2017gmr: An energetic Type II-P supernova with asymmetries1907.01013v1 · Jennifer E. Andrews, D. J. Sand, S. Valenti et al.2019 · 54 citationsarXiv
SN 2016B a.k.a ASASSN-16ab: a transitional type II supernova1904.01844v1 · Raya Dastidar, Kuntal Misra, Mridweeka Singh et al.2019 · 7 citationsarXiv
Observational properties of a Type Ib Supernova MASTER OT J120451.50+265946.6 in NGC 40801903.06243v1 · Mridweeka Singh, Kuntal Misra, D. K. Sahu et al.2019 · 9 citationsarXiv
SN 2015ba: A type IIP supernova with a long plateau1806.05470v1 · Raya Dastidar, Kuntal Misra, G. Hosseinzadeh et al.2018 · 19 citationsarXiv
SN 2015as: A low luminosity Type IIb supernova without an early light curve peak1802.06731v1 · Anjasha Gangopadhyay, Kuntal Misra, A. Pastorello et al.2018 · 19 citationsarXiv
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