activity
20092026
most citedA kilonova as the electromagnetic counterpart to a gravitational-wave source

888 citations · 3.2k across the 58 of their papers we have counts for

collaborators

61 papers

astro-ph.SR2026

The nearby Type II supernova 2024ggi beyond 600 days: circumstellar interaction and dust formation

L. Ferrari, G. Folatelli, C. P. Gutiérrez +16

The Type II SN 2024ggi is one of the nearest core-collapse SNe to have exploded in recent decades. Its proximity has enabled extensive multiwavelength monitoring from early times t…

astro-ph.HE2026

Nearby Supernova Science in the Era of High Cadence, Deep Time Domain Surveys

David J. Sand, Bhagya Subrayan, Conor L. Ransome +41

We discuss science opportunities for nearby supernovae (SNe) in the era of the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST), emphasizing the youngest phases o…

astro-ph.HE2026

Tomography analysis of the intermediate-luminosity Type Iax SN 2024pxl

Barnabás Barna, Mridweeka Singh, Lindsey A. Kwok +90

We present an abundance tomography analysis of SN 2024pxl, an intermediate luminosity Type Iax supernova ( mag), with the most-detailed follow-up in the Type…

astro-ph.HE2026★ 3 cited

A Broker Integrated Algorithm for Gravitational Wave - Electromagnetic Counterpart Searches in O4a and O4b Runs

Hemanth Bommireddy, Francisco Forster, Isaac McMahon +6

We present an automated framework to search for optical counterparts of LIGO-Virgo-KAGRA (LVK) gravitational wave (GW) superevents using public Zwicky Transient Facility (ZTF) aler…

astro-ph.HE2026

Search For a Counterpart to the Subsolar Mass Gravitational Wave Candidate S251112cm

Nicholas Vieira, Noah Franz, Bhagya Subrayan +49

The recent candidate gravitational-wave (GW) alert from a compact object merger involving at least one subsolar mass (SSM) object has prompted questions about their origins. S25111…

astro-ph.SR2025

Optical and near-infrared nebular-phase spectroscopy of SN 2024ggi: constraints on the structure of the inner ejecta, progenitor mass, and dust

Emilio Hueichapán, Régis Cartier, Jose L. Prieto +7

We present optical and near-infrared (NIR) spectroscopic observations of the nearby Type II supernova SN\,2024ggi from 250 and 581 days after the explosion. Comparing the evolution…

astro-ph.HE2025★ 13 cited

JWST and Ground-based Observations of the Type Iax Supernovae SN 2024pxl and SN 2024vjm: Evidence for Weak Deflagration Explosions

Lindsey A. Kwok, Mridweeka Singh, Saurabh W. Jha +89

We present panchromatic optical near-infrared (NIR) mid-infrared (MIR) observations of the intermediate-luminosity Type Iax supernova (SN Iax) 2024pxl and the extremely low…

astro-ph.HE2025

Photometry and Spectroscopy of SN 2024pxl: A Luminosity Link Among Type Iax Supernovae

Mridweeka Singh, Lindsey A. Kwok, Saurabh W. Jha +90

We present extensive ultraviolet to optical photometric and optical to near-infrared (NIR) spectroscopic follow-up observations of the nearby intermediate-luminosity ($M_V = -16.81…

astro-ph.SR2025★ 1 cited

ASASSN-13dn: A Luminous and Double-Peaked Type II Supernova

E. Hueichapán, J. L. Prieto, R. Cartier +5

We present observations of ASASSN-13dn, one of the first supernovae discovered by ASAS-SN, and a new member of the rare group of Luminous Type II Supernovae (LSNe II). It was disco…

astro-ph.HE2024★ 4 cited

Unveiling the nature of SN 2022jli: The first double-peaked stripped-envelope supernova showing periodic undulations and dust emission at late times

Régis Cartier, Carlos Contreras, Maximilian Stritzinger +6

We present optical and infrared observations from maximum light until around +800 days of supernova (SN) 2022jli, a peculiar stripped-envelope (SE) SN showing two maxima, each one…

astro-ph.HE2024★ 22 cited

Early emission lines in SN 2024ggi revealed by high-resolution spectroscopy

Thallis Pessi, Régis Cartier, Emilio Hueichapan +6

We present an analysis of very early high-resolution spectroscopic observations of the Type II supernova (SN) 2024ggi, a nearby SN that occurred in the galaxy NGC 3621 at a distanc…

astro-ph.HE2024

SN 2024ggi in NGC 3621: Rising Ionization in a Nearby, CSM-Interacting Type II Supernova

W. V. Jacobson-Galán, K. W. Davis, C. D. Kilpatrick +28

We present UV/optical/NIR observations and modeling of supernova (SN) 2024ggi, a type II supernova (SN II) located in NGC 3621 at 7.2 Mpc. Early-time ("flash") spectroscopy of SN 2…

astro-ph.HE2024★ 2 cited

Final Moments II: Observational Properties and Physical Modeling of CSM-Interacting Type II Supernovae

W. V. Jacobson-Galán, L. Dessart, K. W. Davis +52

We present ultraviolet/optical/near-infrared observations and modeling of Type II supernovae (SNe II) whose early-time ( days) spectra show transient, narrow emission lines…

astro-ph.GA2023★ 5 cited

DESI-253.2534+26.8843: A New Einstein Cross Spectroscopically Confirmed with VLT/MUSE and Modeled with GIGA-Lens

Aleksandar Cikota, Ivonne Toro Bertolla, Xiaosheng Huang +10

Gravitational lensing provides unique insights into astrophysics and cosmology, including the determination of galaxy mass profiles and constraining cosmological parameters. We pre…

astro-ph.HE2022★ 8 cited

Near-Infrared and Optical Observations of Type Ic SN 2021krf: Luminous Late-time Emission and Dust Formation

Aravind P. Ravi, Jeonghee Rho, Sangwook Park +29

We present near-infrared (NIR) and optical observations of the Type Ic supernova (SN Ic) SN 2021krf obtained between days 13 and 259 at several ground-based telescopes. The NIR spe…

astro-ph.SR2022★ 8 cited

A possible surviving companion of the SN Ia in the Galactic SNR G272.2-3.2

Pilar Ruiz-Lapuente, Jonay I. González Hernández, Régis Cartier +4

We use the {\it Gaia} EDR3 to explore the Galactic supernova remnant SNR G272.2-3.2, produced by the explosion of a Type Ia supernova (SNIa), about 7,500 years ago, to search for a…

astro-ph.HE2022★ 1 cited

Two years of optical and NIR observations of the superluminous supernova UID 30901 discovered by the UltraVISTA SN survey

Emilio D. Hueichapán, Carlos Contreras V., Regis Cartier +6

We present deep optical and near-infrared photometry of UID 30901, a superluminous supernova (SLSN) discovered during the UltraVISTA survey. The observations were obtained with VIR…

astro-ph.HE2022★ 1 cited

Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja

Griffin Hosseinzadeh, Charles D. Kilpatrick, Yize Dong +56

We present high-cadence optical, ultraviolet (UV), and near-infrared data of the nearby ( Mpc) Type II supernova (SN) 2021yja. Many Type II SNe show signs of interactio…

astro-ph.HE2021★ 52 cited

Target of Opportunity Observations of Gravitational Wave Events with Vera C. Rubin Observatory

Igor Andreoni, Raffaella Margutti, Om Sharan Salafia +52

The discovery of the electromagnetic counterpart to the binary neutron star merger GW170817 has opened the era of gravitational-wave multi-messenger astronomy. Rapid identification…

astro-ph.HE2021

SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO-Virgo Event GW190814

Douglas Tucker, Matthew Wiesner, Sahar Allam +140

On 2019 August 14 at 21:10:39 UTC, the LIGO/Virgo Collaboration (LVC) detected a possible neutron star-black hole merger (NSBH), the first ever identified. An extensive search for…

astro-ph.HE2021★ 6 cited

A puzzle solved after two decades: SN 2002gh among the brightest of superluminous supernovae

Régis Cartier, Mario Hamuy, Carlos Contreras +9

We present optical photometry and spectroscopy of the superluminous SN 2002gh from maximum light to days, obtained as part of the Carnegie Type II Supernova (CATS) project.…

astro-ph.HE2021★ 5 cited

SN 2019hcc: A Type II Supernova Displaying Early O II Lines

Eleonora Parrag, Cosimo Inserra, Steve Schulze +18

We present optical spectroscopy together with ultraviolet, optical and near-infrared photometry of SN 2019hcc, which resides in a host galaxy at redshift 0.044, displaying a sub-so…

astro-ph.SR2021★ 14 cited

Core-collapse supernova subtypes in luminous infrared galaxies

E. Kankare, A. Efstathiou, R. Kotak +34

We present the discovery and follow-up observations of two CCSNe that occurred in the luminous infrared galaxy (LIRG), NGC3256. The first, SN2018ec, was discovered using the ESO HA…

astro-ph.SR2021★ 29 cited

Photometric and spectroscopic evolution of the interacting transient AT 2016jbu (Gaia16cfr)

S. J. Brennan, M. Fraser, J. Johansson +68

We present the results from a high cadence, multi-wavelength observation campaign of AT 2016jbu (aka Gaia16cfr), an interacting transient. This dataset complements the current lite…