activity
20222026
most citedThe Hydrogen-Poor Superluminous Supernovae from the Zwicky Transient Facility Phase-I Survey: II. Light Curve Modeling and Characterization of Undulations

55 citations · 351 across the 40 of their papers we have counts for

collaborators
Showing astro-ph.HEShow all

37 papers · 1 filter

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

Constraints on Late-Time Flaring from Luminous Fast Blue Optical Transients using the Transiting Exoplanet Survey Satellite and the Zwicky Transient Facility

Rahul Jayaraman, Anna Y. Q. Ho, Michael M. Fausnaugh +14

The Luminous Fast Blue Optical Transient (LFBOT) AT2022tsd exhibited minutes-timescale optical flares in the tens of days following the initial transient event, likely due to a cen…

astro-ph.HE2026

Early Multiwavelength Observations of AT 2026fgk: The Luminous Afterglow to Sub-luminous GRB 260310A, Identified Independently of a Gamma-ray Trigger

K. -R. Hinds, A. Y. Q. Ho, Y. Wagh +103

The origins of sub-luminous (\,erg\,s) gamma-ray bursts (GRBs) associated with broad-lined Type~Ic supernovae (Ic-BL SNe) are poorly u…

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

SN 2021lwz: Another Exotic Luminous and Fast Evolving Optical Stripped Envelope Supernova ?

F. Poidevin, S. L. West, C. M. B. Omand +25

Current large-scale, high-cadence surveys, such as the ZTF, provide detections of new and rare types of transients and supernovae whose physical origins are not well understood. We…

astro-ph.HE2025

Evidence for an intrinsic luminosity-decay correlation in GRB radio afterglows

S. P. R. Shilling, S. R. Oates, D. A. Kann +12

We present the discovery of a correlation, in a sample of 16 gamma-ray burst 8.5 GHz radio afterglows, between the intrinsic luminosity measured at 10 days in the rest frame, $L_{\…

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★ 1 cited

SN 2023xgo: Helium-rich Type Icn or Carbon-Flash Type Ibn supernova?

Anjasha Gangopadhyay, Jesper Sollerman, Konstantinos Tsalapatas +35

We present observations of SN~2023xgo, a transitional Type Ibn/Icn supernova, from to ~days relative to the -band peak. Early spectra show C~III emission rem…

astro-ph.HE2025★ 4 cited

Surrogate models for lightcurves and photosphere properties of Type II supernovae

Nikhil Sarin, Takashi J. Moriya, Avinash Singh +5

Inferences on the properties Type II supernovae (SNe) can provide significant insights into the lives and deaths of the astrophysical population of massive stars and potentially pr…

astro-ph.HE2025

The ambiguous AT2022rze: Changing-look AGN mimicking a supernova in a merging galaxy system

P. J. Pessi, R. Lunnan, J. Sollerman +36

AT2022rze is a luminous, ambiguous transient located South-East of the geometric center of its host galaxy at redshift z = 0.08. The host appears to be formed by a merging galaxy s…

astro-ph.HE2025

The case of AT2022wtn: a Tidal Disruption Event in an interacting galaxy

F. Onori, M. Nicholl, P. Ramsden +35

We present the results from our multi-wavelength monitoring campaign of the transient AT2022wtn, discovered by the Zwicky Transient Facility in the nucleus of SDSSJ232323.79+104107…

astro-ph.HE2025★ 14 cited

The nebular spectra of SN 2023ixf: A lower mass, partially stripped progenitor may be the result of binary interaction

Philip D. Michel, Paolo A. Mazzali, Daniel A. Perley +2

SN 2023ixf is one of the brightest Core Collapse Supernovae of the 21st century and offers a rare opportunity to investigate the late stage of a Supernova through nebular phase spe…

astro-ph.HE2025★ 13 cited

Inferring CSM Properties of Type II SNe Using a Magnitude-Limited ZTF Sample

K-Ryan Hinds, Daniel Perley, Jesper Sollerman +20

Although all Type II supernovae (SNe) originate from massive stars possessing a hydrogen-rich envelope, their light curve morphology is diverse, reflecting poorly characterised het…

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.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

The BTSbot-nearby discovery of SN 2024jlf: rapid, autonomous follow-up probes interaction in an 18.5 Mpc Type IIP supernova

Nabeel Rehemtulla, W. V. Jacobson-Galán, Avinash Singh +27

We present observations of the Type IIP supernova (SN) 2024jlf, including spectroscopy beginning just 0.7 days (17 hours) after first light. Rapid follow-up was enabled by th…

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★ 5 cited

Eruptive mass loss less than a year before the explosion of superluminous supernovae: I. The cases of SN 2020xga and SN 2022xgc

A. Gkini, C. Fransson, R. Lunnan +47

We present photometric and spectroscopic observations of SN 2020xga and SN 2022xgc, two hydrogen-poor superluminous supernovae (SLSNe-I) at and , respectiv…

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…