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20052026
most citedThe Emergence of a Lanthanide-Rich Kilonova Following the Merger of Two Neutron Stars

765 citations · 21.2k across the 261 of their papers we have counts for

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Showing 2020 · astro-ph.HEShow all

21 papers · 2 filters

astro-ph.HE2020★ 74 cited

A Family Tree of Optical Transients from Narrow-Line Seyfert 1 Galaxies

Sara Frederick, Suvi Gezari, Matthew J. Graham +17

The Zwicky Transient Facility (ZTF) has discovered five new events belonging to an emerging class of AGN undergoing smooth flares with large amplitudes and rapid rise times. This s…

astro-ph.HE2020★ 277 cited

The Zwicky Transient Facility Bright Transient Survey. II. A Public Statistical Sample for Exploring Supernova Demographics

Daniel A. Perley, Christoffer Fremling, Jesper Sollerman +34

We present a public catalog of transients from the Zwicky Transient Facility (ZTF) Bright Transient Survey (BTS), a magnitude-limited (m<19 mag in either the g or r filter) survey…

astro-ph.HE2020★ 122 cited

Bright, months-long stellar outbursts announce the explosion of interaction-powered supernovae

Nora L. Strotjohann, Eran O. Ofek, Avishay Gal-Yam +53

Interaction-powered supernovae (SNe) explode within an optically-thick circumstellar medium (CSM) that could be ejected during eruptive events. To identify and characterize such pr…

astro-ph.HE2020★ 24 cited

Supernova SN 2020faa -- an iPTF14hls look-alike?

S. Yang, J. Sollerman, T. -W. Chen +14

We present observations of SN 2020faa. This Type II supernova displays a luminous light curve that started to rebrighten from an initial decline. We investigate this in relation to…

astro-ph.HE2020★ 19 cited

SN 2018ijp: the explosion of a stripped-envelope star within a dense H-rich shell?

L. Tartaglia, J. Sollerman, C. Barbarino +24

In this paper, we discuss the outcomes of the follow-up campaign of SN 2018ijp, discovered as part of the Zwicky Transient Facility survey for optical transients. Its first spectru…

astro-ph.HE2020★ 28 cited

GRB 160625B: Evidence for a Gaussian-Shaped Jet

Virginia Cunningham, S. Bradley Cenko, Geoffrey Ryan +9

We present multiwavelength modeling of the afterglow from the long gamma-ray burst GRB 160625B using Markov Chain Monte Carlo (MCMC) techniques of the afterglowpy Python package. G…

astro-ph.HE2020★ 168 cited

A large fraction of hydrogen-rich supernova progenitors experience elevated mass loss shortly prior to explosion

Rachel J. Bruch, Avishay Gal-Yam, Steve Schulze +43

Spectroscopic detection of narrow emission lines traces the presence of circumstellar mass distributions around massive stars exploding as core-collapse supernovae. Transient emiss…

astro-ph.HE2020★ 21 cited

SN 2020bqj: a Type Ibn supernova with a long lasting peak plateau

E. C. Kool, E. Karamehmetoglu, J. Sollerman +31

Context: Type Ibn supernovae are a rare class of stripped envelope supernovae interacting with a helium-rich CSM. The majority of the SNe Ibn reported display a surprising homogene…

astro-ph.HE2020★ 9 cited

PTF11rka: an interacting supernova at the crossroads of stripped-envelope and H-poor super-luminous stellar core collapses

Elena Pian, Paolo A. Mazzali, Takashi J. Moriya +17

The hydrogen-poor supernova PTF11rka (z = 0.0744), reported by the Palomar Transient Factory, was observed with various telescopes starting a few days after the estimated explosion…

astro-ph.HE2020★ 31 cited

Discovery of the optical afterglow and host galaxy of short GRB181123B at : Implications for Delay Time Distributions

K. Paterson, W. Fong, A. Nugent +19

We present the discovery of the optical afterglow and host galaxy of the {\it Swift} short-duration gamma-ray burst, GRB\,181123B. Observations with Gemini-North starting at $\appr…

astro-ph.HE2020★ 102 cited

Kilonova Luminosity Function Constraints based on Zwicky Transient Facility Searches for 13 Neutron Star Mergers

Mansi M. Kasliwal, Shreya Anand, Tomas Ahumada +100

We present a systematic search for optical counterparts to 13 gravitational wave (GW) triggers involving at least one neutron star during LIGO/Virgo's third observing run. We searc…

astro-ph.HE2020★ 226 cited

Observation of inverse Compton emission from a long -ray burst

V. A. Acciari, S. Ansoldi, L. A. Antonelli +301

Long-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterised by an initial phase o…

astro-ph.HE2020★ 44 cited

ZTF20aajnksq (AT2020blt): A Fast Optical Transient at With No Detected Gamma-Ray Burst Counterpart

Anna Y. Q. Ho, Daniel A. Perley, Paz Beniamini +27

We present ZTF20aajnksq (AT2020blt), a fast-fading ( mag in days) red ( mag) and luminous () optical transient at discovered…

astro-ph.HE2020★ 13 cited

The Panchromatic Afterglow of GW170817: The full uniform dataset, modeling, comparison with previous results and implications

Sphesihle Makhathini, Kunal P. Mooley, Murray Brightman +35

We present the full panchromatic afterglow light curve data of GW170817, including new radio data as well as archival optical and X-ray data, between 0.5 and 940 days post-merger.…

astro-ph.HE2020★ 62 cited

SN2019dge: a Helium-rich Ultra-Stripped Envelope Supernova

Yuhan Yao, Kishalay De, Mansi M. Kasliwal +28

We present observations of ZTF18abfcmjw (SN2019dge), a helium-rich supernova with a fast-evolving light curve indicating an extremely low ejecta mass () and l…

astro-ph.HE2020★ 252 cited

A tidal disruption event coincident with a high-energy neutrino

Robert Stein, Sjoert van Velzen, Marek Kowalski +55

Cosmic neutrinos provide a unique window into the otherwise-hidden mechanism of particle acceleration in astrophysical objects. A flux of high-energy neutrinos was discovered in 20…

astro-ph.HE2020★ 116 cited

The Zwicky Transient Facility Census of the Local Universe I: Systematic search for Calcium rich gap transients reveal three related spectroscopic sub-classes

Kishalay De, Mansi M. Kasliwal, Anastasios Tzanidakis +47

(Abridged) Using the Zwicky Transient Facility alert stream, we are conducting a large campaign to spectroscopically classify all transients occurring in galaxies in the Census of…

astro-ph.HE2020★ 128 cited

The Koala: A Fast Blue Optical Transient with Luminous Radio Emission from a Starburst Dwarf Galaxy at

Anna Y. Q. Ho, D. A. Perley, S. R. Kulkarni +25

We present ZTF18abvkwla (the "Koala"), a fast blue optical transient discovered in the Zwicky Transient Facility (ZTF) One-Day Cadence (1DC) Survey. ZTF18abvkwla has a number of fe…

astro-ph.HE2020★ 57 cited

SN2020bvc: a Broad-lined Type Ic Supernova with a Double-peaked Optical Light Curve and a Luminous X-ray and Radio Counterpart

A. Y. Q. Ho, S. R. Kulkarni, D. A. Perley +34

We present optical, radio, and X-ray observations of SN2020bvc (=ASASSN20bs; ZTF20aalxlis), a nearby (; =114 Mpc) broad-lined (BL) Type Ic supernova (SN). Our observat…

astro-ph.HE2020★ 15 cited

Early Ultra-Violet observations of type IIn supernovae constrain the asphericity of their circumstellar material

Maayane T. Soumagnac, Eran O. Ofek, Jingyi Liang +41

We present a survey of the early evolution of 12 Type IIn supernovae (SNe IIn) in the Ultra-Violet (UV) and visible light. We use this survey to constrain the geometry of the circu…

astro-ph.HE2020★ 375 cited

Seventeen Tidal Disruption Events from the First Half of ZTF Survey Observations: Entering a New Era of Population Studies

Sjoert van Velzen, Suvi Gezari, Erica Hammerstein +34

While tidal disruption events (TDEs) have long been heralded as laboratories for the study of quiescent black holes, the small number of known TDEs and uncertainties in their emiss…