VK
Viraj Karambelkar
astro-ph.HEastro-ph.SRastro-ph.GAastro-ph.IMgr-qcastro-ph.EPastro-ph.COhep-phphysics.data-an
On Valency
published · living versionsW_ydaubn7r·v1 · currentpublished
A Search for Extragalactic Fast Blue Optical Transients in ZTF and the Rate of AT2018cow-like Transients
with Anna Y. Q. Ho, Daniel A. Perley, Avishay Gal-Yam, Ragnhild Lunnan +38
1 version
Preprints & journals
89 papers in the corpus · 2019–2026The shell around VY Canis Majoris in SPHEREx is likely an artifact2609.28612v1 · Viraj Karambelkar, Yashvi Sharma, Kishalay De2026 · 0 citationsarXiv
A data processing pipeline for the WINTER near-infrared surveyor using the framework2609.10675v1 · Viraj Karambelkar, Robert Stein, Danielle Frostig et al.2026 · 0 citationsarXiv
Multi-Wavelength Identification of a Luminous Mid-Infrared Supernova Powered by Circumstellar Interaction with Binary-Driven Pre-supernova Mass Loss2609.09520v1 · Kohki Uno, Kishalay De, Geoffrey Mo et al.2026 · 0 citationsarXiv
SPIRITS 19q: Dust Production by a Subsolar-metallicity Carbon-rich Wolf-Rayet Star in NGC 24032609.00477v1 · Sam Rose, Ryan M. Lau, Jacob E. Jencson et al.2026 · 0 citationsarXiv
Ghosts of eruptions past: Searching for historical Galactic supernovae using variable thermal dust echoes and machine learning2604.08686v2 · Justin Vega, Kishalay De, Ashish Mahabal 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
SPHEREx as a frontier for infrared transients: Classification of new Galactic FU Ori outbursts and classical novae2602.07129v1 · Viraj Karambelkar, Kishalay De, Lynne A. Hillenbrand et al.2026 · 1 citationarXiv
Fading into darkness: A weak mass ejection and low-efficiency fallback accompanying black hole formation in M31-2014-DS12601.05774v2 · Kishalay De, Morgan MacLeod, Jacob E. Jencson et al.2026 · 1 citationarXiv
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
The nature of ASASSN-24fw's occultation: modelling the event as dimming by optically thick rings around a sub-stellar companion2511.02581v2 · Sarang Shah, Jonathan P. Marshall, Carlos del Burgo et al.2025 · 1 citationarXiv
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
A spectral library and census of near-infrared stellar large-amplitude variables from Palomar Gattini-IR2510.18959v1 · Nicholas Earley, Viraj Karambelkar, Mansi Kasliwal et al.2025 · 2 citationsarXiv
Optical/infrared observations of the extraordinary GRB 250702B: a highly obscured afterglow in a massive galaxy consistent with multiple possible progenitors2509.22784v2 · Jonathan Carney, Igor Andreoni, Brendan O'Connor et al.2025 · 5 citationsarXiv
Multi-color characterization of optically invisible FU Orionis-type outbursts: Demonstration and prospects for the WINTER survey2509.04560v2 · Danielle Frostig, Kishalay De, Lynne A. Hillenbrand et al.2025 · 0 citationsarXiv
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
Hot springs and dust reservoirs: JWST reveals the dusty, molecular aftermath of extragalactic stellar mergers2508.03932v1 · Viraj Karambelkar, Mansi Kasliwal, Ryan M. Lau et al.2025 · 2 citationsarXiv
A half-ring of ionized circumstellar material trapped in the magnetosphere of a white dwarf merger remnant2507.13850v1 · Andrei A. Cristea, Ilaria Caiazzo, Tim Cunningham et al.2025 · 4 citationsarXiv
Efficacy of Galaxy Catalogues for following up gravitational wave events2507.11635v1 · Tamojeet Roychowdhury, Harsh Choudhary, Varun Bhalerao et al.2025 · 0 citationsarXiv
Twin peaks: SN 2021uvy and SN 2022hgk in the landscape of double-peaked stripped envelope supernovae2507.03822v1 · Yashvi Sharma, Jesper Sollerman, William Meynardie et al.2025 · 2 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
Detection of X-ray emission from a bright long-period radio transient.40437090 · Wang, Ziteng, Rea, Nanda, Bao, Tong et al.2025 · 30 citationsNature. 2025;642(8068):583-586
The slow brightening of WNTR23bzdiq / WTP19aalzlk : Possible onset of common-envelope evolution in an asymptotic giant branch star?2505.09691v1 · Viraj Karambelkar, Mansi Kasliwal, Kishalay De et al.2025 · 5 citationsarXiv
WINTER on S250206dm: A near-infrared search for an electromagnetic counterpart to a gravitational-wave event2504.12384v2 · Danielle Frostig, Viraj R. Karambelkar, Robert D. Stein et al.2025 · 5 citationsPASP Volume 137, Issue 7, 2025
Limits on the Ejecta Mass During the Search for Kilonovae Associated with Neutron Star-Black Hole Mergers: A case study of S230518h, GW230529, S230627c and the Low-Significance Candidate S240422ed2503.15422v1 · M. Pillas, S. Antier, K. Ackley et al.2025 · 12 citationsarXiv
Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. I: Luminosity Function, Volumetric Rate2502.19493v2 · Kaustav K. Das, Mansi M. Kasliwal, Christoffer Fremling et al.2025 · 11 citationsarXiv
Cryoscope: A Cryogenic Infrared Survey Telescope in Antarctica2502.06950v2 · Mansi M. Kasliwal, Nicholas Earley, Roger Smith et al.2025 · 10 citationsarXiv
The emission of interpulses by a 6.45-hour period coherent radio transient2501.09133v1 · Y. W. J. Lee, M. Caleb, Tara Murphy et al.2025 · 36 citationsarXiv
Oxygen Isotope Ratios in Hydrogen-Deficient Carbon Stars: A Correlation with Effective Temperature and Implications for White Dwarf Merger Outcomes2412.03664v2 · Advait Mehla, Mansi M. Kasliwal, Viraj Karambelkar et al.2024 · 3 citationsPublications of the Astronomical Society of the Pacific, Volume 137, Number 4, 044201 (2025)
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
Characterization of a peculiar Einstein Probe transient EP240408a: an exotic gamma-ray burst or an abnormal jetted tidal disruption event?2410.21622v2 · B. O'Connor, D. Pasham, I. Andreoni et al.2024 · 21 citationsarXiv
A diverse, overlooked population of Type Ia supernovae exhibiting mid-infrared signatures of delayed circumstellar interaction2410.14644v4 · Geoffrey Mo, Kishalay De, Eli Wiston et al.2024 · 8 citationsApJL 980 L33 (2025)
A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova2410.02315v2 · H. Sun, W.-X. Li, L.-D. Liu et al.2024 · 46 citationsarXiv
Hertzsprung gap stars in nearby galaxies and the Quest for Luminous Red Novae Progenitors2409.11347v2 · Hugo Tranin, Nadejda Blagorodnova, Viraj Karambelkar et al.2024 · 2 citationsA&A 695, A226 (2025)
Optical and Radio Analysis of Systematically Classified Broad-lined Type Ic Supernovae from the Zwicky Transient Facility2408.14586v3 · Gokul P. Srinivasaragavan, Sheng Yang, Shreya Anand et al.2024 · 19 citationsarXiv
An infrared census of R Coronae Borealis Stars II -- Spectroscopic classifications and implications for the rate of low-mass white dwarf mergers2407.08653v1 · Viraj R. Karambelkar, Mansi M. Kasliwal, Patrick Tisserand et al.2024 · 5 citationsarXiv
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
SN 2023zaw: an ultra-stripped, nickel-poor supernova from a low-mass progenitor2403.08165v3 · Kaustav K. Das, Christoffer Fremling, Mansi M. Kasliwal et al.2024 · 7 citationsThe Astrophysical Journal Letters, July 2024, Volume 969, Issue 1, id.L11, 18 pp
An Automated Catalog of Long Period Variables using Infrared Lightcurves from Palomar Gattini-IR2402.08000v1 · Aswin Suresh, Viraj Karambelkar, Mansi M. Kasliwal et al.2024 · 6 citationsarXiv
Dramatic rebrightening of the type-changing stripped-envelope supernova SN 2023aew2402.02780v1 · Yashvi Sharma, Jesper Sollerman, Shrinivas R. Kulkarni et al.2024 · 10 citationsarXiv
Spectroscopic observations of progenitor activity 100 days before a Type Ibn supernova2401.15148v4 · S. J. Brennan, J. Sollerman, I. Irani et al.2024 · 19 citationsA&A 684, L18 (2024)
The 2022-2023 accretion outburst of the young star V1741 Sgr2401.09522v1 · Michael A. Kuhn, Lynne A. Hillenbrand, Michael S. Connelley et al.2024 · 4 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
SN 2022joj: A Peculiar Type Ia Supernova Possibly Driven by an Asymmetric Helium-shell Double Detonation2308.06319v2 · Chang Liu, Adam A. Miller, Samuel J. Boos et al.2023 · 11 citationsApJ 958 178 (2023)
Updated observing scenarios and multi-messenger implications for the International Gravitational-wave Network's O4 and O52306.09234v4 · R. Weizmann Kiendrebeogo, Amanda M. Farah, Emily M. Foley et al.2023 · 58 citationsThe Astrophysical Journal , 2023, 958, 158
A Luminous Red Supergiant and Dusty Long-period Variable Progenitor for SN 2023ixf2306.08678v2 · Jacob E. Jencson (1, Jeniveve Pearson, Emma R. Beasor et al.2023 · 83 citationsApJL 952 (2023) L30
Probing pre-supernova mass loss in double-peaked Type Ibc supernovae from the Zwicky Transient Facility2306.04698v3 · Kaustav K. Das, Mansi M. Kasliwal, Jesper Sollerman et al.2023 · 16 citationsarXiv
Long-rising Type II Supernovae in the Zwicky Transient Facility Census of the Local Universe2306.01109v2 · Tawny Sit, Mansi M. Kasliwal, Anastasios Tzanidakis et al.2023 · 7 citationsarXiv
An infrared transient from a star engulfing a planet.37138107 · De, Kishalay, MacLeod, Morgan, Karambelkar, Viraj et al.2023 · 62 citationsNature. 2023;617(7959):55-60
A data science platform to enable time-domain astronomy2305.00108v2 · Michael W. Coughlin, Joshua S. Bloom, Guy Nir et al.2023 · 91 citationsarXiv
SN 2020udy: a SN Iax with strict limits on interaction consistent with a helium-star companion2304.12361v1 · Kate Maguire, Mark R. Magee, Giorgos Leloudas et al.2023 · 14 citationsarXiv
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