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20222025
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91 citations · 343 across the 45 of their papers we have counts for

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31 papers · 1 filter

astro-ph.HE2025

ZTF SN Ia DR2 follow-up: Characterization of subluminous Type Ia supernovae in the ZTF DR2 full sample

Alaa Alburai, Lluís Galbany, Umut Burgaz +19

The Zwicky Transient Facility Data Release 2 (ZTF DR2) includes a total of 3,628 Type Ia supernovae (SNe~Ia), providing the largest and most complete sample of spectroscopically co…

astro-ph.HE2025

SN 2023uqf: An Interacting Supernova Coincident with a High-Energy Neutrino

Robert Stein, Anna Y. Q. Ho, Anjasha Gangopadhyay +30

Astrophysical high-energy (TeV-PeV) neutrinos were first discovered in 2013, but their origin remains largely unknown. Here we present SN 2023uqf, a supernova found in coincidence…

astro-ph.HE2025★ 2 cited

A real-time search for Type Ia Supernovae with late-time CSM interaction in ZTF

Jacco H. Terwel, Kate Maguire, Seán J. Brennan +20

The nature of Type Ia supernova (SN Ia) progenitor systems and the mechanisms that lead up to their explosions are still widely debated. In rare cases the SN ejecta interact with c…

astro-ph.HE2025

Twin peaks: SN 2021uvy and SN 2022hgk in the landscape of double-peaked stripped envelope supernovae

Yashvi Sharma, Jesper Sollerman, William Meynardie +25

In recent years, a class of stripped-envelope supernovae (SESNe) showing two distinct light-curve peaks has emerged, where the first peak cannot be attributed to shock cooling emis…

astro-ph.HE2025★ 2 cited

AT2019cmw: A highly luminous, cooling featureless TDE candidate from the disruption of a high mass star in an early-type galaxy

Jacob L. Wise, Daniel A. Perley, Nikhil Sarin +23

We present optical/UV photometric and spectroscopic observations, as well as X-ray and radio follow-up, of the extraordinary event AT2019cmw. With a peak bolometric luminosity of ~…

astro-ph.HE2025

LIGO/Virgo/KAGRA neutron star merger candidate S250206dm: Zwicky Transient Facility observations

Tomás Ahumada, Shreya Anand, Mattia Bulla +49

We present the searches conducted with the Zwicky Transient Facility (ZTF) in response to S250206dm, a bona fide event with a false alarm rate of one in 25 years, detected by the I…

astro-ph.HE2025★ 4 cited

Luminous, rapidly declining supernovae as stripped transitional objects in low metallicity environments: the case of SN 2022lxg

P. Charalampopoulos, R. Kotak, J. Sollerman +24

We present an analysis of the optical and near-infrared properties of SN 2022lxg, a bright ( mag) and rapidly evolving SN. It was discovered withi…

astro-ph.HE2025

Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. II: Lightcurve Analysis

Kaustav K. Das, Mansi M. Kasliwal, Jesper Sollerman +18

The Zwicky Transient Facility Census of the Local Universe survey yielded a sample of 330 Type IIP supernovae (SNe) with well-constrained peak luminosities. In paper I (arXiv:2502.…

astro-ph.HE2025★ 11 cited

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 S240422ed

M. Pillas, S. Antier, K. Ackley +78

Neutron star-black hole (NSBH) mergers, detectable via their gravitational-wave (GW) emission, are expected to produce kilonovae (KNe). Four NSBH candidates have been identified an…

astro-ph.HE2025

Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. I: Luminosity Function, Volumetric Rate

Kaustav K. Das, Mansi M. Kasliwal, Christoffer Fremling +51

We present the luminosity function and volumetric rate of a sample of Type IIP supernovae (SNe) from the Zwicky Transient Facility Census of the Local Universe survey (CLU). This i…

astro-ph.HE2025

Multi-Wavelength Analysis of AT 2023sva: a Luminous Orphan Afterglow With Evidence for a Structured Jet

Gokul P. Srinivasaragavan, Daniel A. Perley, Anna Y. Q. Ho +50

We present multi-wavelength analysis of ZTF23abelseb (AT 2023sva), an optically discovered fast-fading ( mag in days), luminous ( mag) and…

astro-ph.HE2024

Expanding the ultracompacts: gravitational wave-driven mass transfer in the shortest-period binaries with accretion disks

Joheen Chakraborty, Kevin B. Burdge, Saul A. Rappaport +35

We report the discovery of three ultracompact binary white dwarf systems hosting accretion disks, with orbital periods of 7.95, 8.68, and 13.15 minutes. This significantly augments…

astro-ph.HE2024★ 17 cited

A cosmic formation site of silicon and sulphur revealed by a new type of supernova explosion

Steve Schulze, Avishay Gal-Yam, Luc Dessart +47

The cores of stars are the cosmic furnaces where light elements are fused into heavier nuclei. The fusion of hydrogen to helium initially powers all stars. The ashes of the fusion…

astro-ph.HE2024★ 1 cited

Cataclysmic Variables and AM CVn Binaries in SRG/eROSITA + Gaia: Volume Limited Samples, X-ray Luminosity Functions, and Space Densities

Antonio C. Rodriguez, Kareem El-Badry, Valery Suleimanov +22

We present volume-limited samples of cataclysmic variables (CVs) and AM CVn binaries jointly selected from SRG/eROSITA eRASS1 and \textit{Gaia} DR3 using an X-ray + optical color-c…

astro-ph.HE2024★ 15 cited

Sample of hydrogen-rich superluminous supernovae from the Zwicky Transient Facility

P. J. Pessi, R. Lunnan, J. Sollerman +26

Hydrogen-rich superluminous supernovae (SLSNe II) are rare. The exact mechanism producing their extreme light curve peaks is not understood. Analysis of single events and small sam…

astro-ph.HE2024

Searching for New Cataclysmic Variables in the Chandra Source Catalog

Ilkham Galiullin, Antonio C. Rodriguez, Kareem El-Badry +14

Cataclysmic variables (CVs) are compact binary systems in which a white dwarf accretes matter from a Roche-lobe-filling companion star. In this study, we searched for new CVs in th…

astro-ph.HE2024

Searching for gravitational wave optical counterparts with the Zwicky Transient Facility: summary of O4a

Tomás Ahumada, Shreya Anand, Michael W. Coughlin +49

During the first half of the fourth observing run (O4a) of the International Gravitational Wave Network (IGWN), the Zwicky Transient Facility (ZTF) conducted a systematic search fo…

astro-ph.HE2024★ 1 cited

Sub-relativistic Outflow and Hours-Timescale Large-amplitude X-ray Dips during Super-Eddington Accretion onto a Low-mass Massive Black Hole in the Tidal Disruption Event AT2022lri

Yuhan Yao, Muryel Guolo, Francesco Tombesi +32

We present the tidal disruption event (TDE) AT2022lri, hosted in a nearby ( Mpc) quiescent galaxy with a low-mass massive black hole ($10^4\,M_\odot < M_{\rm BH} < 10…

astro-ph.HE2024★ 6 cited

SN 2023zaw: an ultra-stripped, nickel-poor supernova from a low-mass progenitor

Kaustav K. Das, Christoffer Fremling, Mansi M. Kasliwal +34

We present SN 2023zaw a sub-luminous ( mag) and rapidly-evolving supernova ( days), with the lowest nickel mass (…

astro-ph.HE2024★ 2 cited

Dramatic rebrightening of the type-changing stripped-envelope supernova SN 2023aew

Yashvi Sharma, Jesper Sollerman, Shrinivas R. Kulkarni +32

Multi-peaked supernovae with precursors, dramatic light-curve rebrightenings, and spectral transformation are rare, but are being discovered in increasing numbers by modern night-s…

astro-ph.HE2024★ 19 cited

Spectroscopic observations of progenitor activity 100 days before a Type Ibn supernova

S. J. Brennan, J. Sollerman, I. Irani +30

Obtaining spectroscopic observations of the progenitors of core-collapse supernovae is often unfeasible due to an inherent lack of knowledge as to which stars will go supernova and…

astro-ph.HE2023★ 26 cited

Minutes-duration Optical Flares with Supernova Luminosities

Anna Y. Q. Ho, Daniel A. Perley, Ping Chen +74

In recent years, certain luminous extragalactic optical transients have been observed to last only a few days. Their short observed duration implies a different powering mechanism…

astro-ph.HE2023

Photometric prioritization of neutron star merger candidates

E. O. Ofek, N L. Strotjohann, I. Arcavi +12

Rapid identification of the optical counterparts of Neutron Star (NS) merger events discovered by gravitational wave detectors may require observing a large error region and siftin…

astro-ph.HE2023★ 1 cited

A 12.4 day periodicity in a close binary system after a supernova

Ping Chen, Avishay Gal-Yam, Jesper Sollerman +37

Neutron stars and stellar-mass black holes are the remnants of massive star explosions. Most massive stars reside in close binary systems, and the interplay between the companion s…