activity
20152026
most citediPTF16geu: A multiply imaged, gravitationally lensed type Ia supernova

246 citations · 2.4k across the 66 of their papers we have counts for

collaborators

67 papers

astro-ph.SR2026

SN 2024afyu interpreted as a Pair Instability Supernova

P. J. Pessi, S. Barmentloo, Ł. Wyrzykowski +63

Pair-instability supernovae (PISNe) are the predicted explosions of very massive stars triggered by electron-positron pair production. Numerous transients have been proposed as PIS…

astro-ph.HE2026

A Multi-Wavelength View of the First Type Ic-BL Supernova with an Einstein Probe X-ray Shock Breakout

Jillian C. Rastinejad, Gokul Srinivasaragavan, Nikhil Sarin +36

In March 2026, the Einstein Probe (EP) discovered its most nearby (z = 0.0343) Fast X-ray Transient (FXT), EP260321a, the first EP FXT to provide a strong match to expectations for…

astro-ph.HE2026

Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. III: Hunting for electron-capture supernovae using nebular spectroscopy

Kaustav K. Das, Anders Jerkstrand, Mansi M. Kasliwal +18

Electron-capture supernovae (ECSNe) may arise from ONeMg-core collapse in super-asymptotic giant branch (sAGB) stars near the low-mass core-collapse limit (--\,\Msu…

astro-ph.HE2026

Multiwavelength Analysis of Six Luminous Fast Blue Optical Transients

Cassie Sevilla, Anna Y. Q. Ho, Nayana A. J. +43

We present multiwavelength observations and analysis of six luminous fast blue optical transients (LFBOTs) discovered in Zwicky Transient Facility (ZTF) survey data. We identified…

astro-ph.HE2026★ 4 cited

AT2024wpp: An Extremely Luminous Fast Ultraviolet Transient Powered by Accretion onto a Black Hole

Daniel A. Perley, Anna Y. Q. Ho, Zoë McGrath +69

We present the discovery of AT 2024wpp ("Whippet"), a fast and luminous 18cow-like transient. At a redshift of z=0.0868, revealed by Keck Cosmic Web Imager spectroscopy of its fain…

astro-ph.HE2025★ 8 cited

Ultraviolet Spectral Evidence for Ansky as a Slowly Evolving Featureless Tidal Disruption Event with Quasiperiodic Eruptions

Jiazheng Zhu, Ning Jiang, Yibo Wang +13

X-ray quasi-periodic eruptions (QPEs) are rare and enigmatic phenomena that increasingly show a connection to tidal disruption events (TDEs). However, the recently discovered QPEs…

astro-ph.CO2025★ 1 cited

Discovery of SN 2025wny: a Strongly Gravitationally Lensed Superluminous Supernova at z = 2.01

Joel Johansson, Daniel A. Perley, Ariel Goobar +31

We present the discovery of SN 2025wny (ZTF25abnjznp/GOTO25gtq) and spectroscopic classification of this event as the first gravitationally lensed Type I superluminous supernovae (…

astro-ph.SR2025

A magnetic white dwarf formed through a binary merger within 35 million years

Huahui Yan, Jiamao Lin, Rizhong Zheng +15

White dwarfs (WDs) represent the final evolutionary stage of most stars, typically originating from progenitor stars with masses below approximately 8 to 10 …

astro-ph.HE2025★ 5 cited

IIb or not IIb: A Catalog of ZTF Kilonova Imposters

Tyler Barna, Christoffer Fremling, Tomas Ahumada +12

Among the various classes of fast optical transients (FOTs), kilonovae (KNe), which can emerge as a result of neutron star mergers, are extremely challenging to observe because of…

astro-ph.EP2025

Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS

Matthew Belyakov, Christoffer Fremling, Matthew J. Graham +7

On July 1st 2025 the third interstellar object, 3I/ATLAS or C/2025 N1 (ATLAS), was discovered, with an eccentricity of and perihelion of au. We…

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

A Luminous Red Optical Flare and Hard X-ray Emission in the Tidal Disruption Event AT2024kmq

Anna Y. Q. Ho, Yuhan Yao, Tatsuya Matsumoto +30

We present the optical discovery and multiwavelength follow-up observations of AT2024kmq, a likely tidal disruption event (TDE) associated with a supermassive ($M_{\rm BH}\sim 10^{…

astro-ph.GA2025★ 1 cited

A Massive Black Hole 0.8 kpc from the Host Nucleus Revealed by the Offset Tidal Disruption Event AT2024tvd

Yuhan Yao, Ryan Chornock, Charlotte Ward +31

Tidal disruption events (TDEs) that are spatially offset from the nuclei of their host galaxies offer a new probe of massive black hole (MBH) wanderers, binaries, triples, and reco…

astro-ph.EP2025

Keck and Gemini characterization of rendezvous target 1998 KY

Bryce T. Bolin, Christoffer Fremling, Matthew Belyakov +7

Near-earth object (NEO) 1998 KY is a target of the spacecraft, which it will rendezvous with in July 2031. The asteroid is a rapid rotator and has a large out-…

astro-ph.SR2024

Prospects for Systematic Planetary Nebulae Detection with the Census of the Local Universe Narrowband Survey

Rong Du, David O. Cook, Soumyadeep Bhattacharjee +8

We investigate the efficacy of a systematic planetary nebula (PN) search in the Census of the Local Universe (CLU) narrowband (H) survey that covers a considerably larger sky re…

astro-ph.IM2024★ 1 cited

CCSNscore: A multi-input deep learning tool for classification of core-collapse supernovae using SED-Machine spectra

Yashvi Sharma, Ashish A. Mahabal, Jesper Sollerman +16

Supernovae (SNe) come in various flavors and are classified into different types based on emission and absorption lines in their spectra. SN candidates are now abundant with the ad…

astro-ph.IM2024

How accurate are transient spectral classification tools? -- A study using 4,646 SEDMachine spectra

Young-Lo Kim, Isobel Hook, Andrew Milligan +13

Accurate classification of transients obtained from spectroscopic data are important to understand their nature and discover new classes of astronomical objects. For supernovae (SN…

astro-ph.SR2024

Variability of Central Stars of Planetary Nebulae with the Zwicky Transient Facility. I. Methods, Short-Timescale Variables, Binary Candidates, and the Unusual Nucleus of WeSb 1

Soumyadeep Bhattacharjee, S. R. Kulkarni, Albert K. H. Kong +16

Over the past several decades, time-series photometry of CSPNe has yielded significant results including, but not limited to, discoveries of nearly 100 binary systems, insights int…

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

Optical and Radio Analysis of Systematically Classified Broad-lined Type Ic Supernovae from the Zwicky Transient Facility

Gokul P. Srinivasaragavan, Sheng Yang, Shreya Anand +35

We study a magnitude-limited sample of 36 Broad-lined Type Ic Supernovae (SNe Ic-BL) from the Zwicky Transient Facility Bright Transient Survey (detected between March 2018 and Aug…

astro-ph.HE2024

WTP19aalnxx: Discovery of a bright mid-infrared transient in the emerging class of low luminosity supernovae revealed by delayed circumstellar interaction

Charlotte Myers, Kishalay De, Lin Yan +11

While core-collapse supernovae (SNe) often show early and consistent signs of circumstellar (CSM) interaction, some exhibit delayed signatures due to interaction with distant mater…

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.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★ 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…