activity
20232026
most citedJWST Discovery of a High-Redshift Tidal Disruption Event Candidate in COSMOS-Web

5 citations · 11 across the 15 of their papers we have counts for

collaborators

15 papers

astro-ph.GA2026

The GlimmIr: Spectroscopic Variability in a z~7 LRD Indicates Rapid Changes in Both the Narrow and Broad Line Regions

Erini Lambrides, Taylor A. Hutchison, Rebecca L. Larson +39

The enigmatic population of ``Little Red Dots'' (LRDs) sit at the center of some of the largest debates in extragalactic astronomy today. The source(s) of ionizing emission and the…

astro-ph.HE2026★ 1 cited

Tidal disruption event rates across cosmic time: forecasts for LSST, Roman, and JWST and their constraints on the supermassive black hole mass function

Mitchell Karmen, Suvi Gezari, Colin Norman +1

Measuring the mass distribution of supermassive black holes (SMBHs) over cosmic time remains particularly challenging for the low mass (M_BH<10^8 M_sun) population at z>1. This pop…

astro-ph.HE2025★ 2 cited

Compact Accretion Disks in the Aftermath of Tidal Disruption Events: Parameter Inference from Joint X-ray Spectra and UV/Optical Photometry Fitting

M. Guolo, A. Mummery, S. van Velzen +8

We present a multi-wavelength analysis of 14 tidal disruption events (TDEs)-including an off-nuclear event associated with an ultra-compact dwarf galaxy-selected for having availab…

astro-ph.GA2025

Extended Components of Little Red Dots in the Rest-Frame Optical

Yiyang Zhang, Xuheng Ding, Lilan Yang +26

Recent JWST observations have revealed a population of red, compact, high-redshift objects called Little Red Dots (LRDs), whose host components have remained largely unconstrained,…

astro-ph.HE2025★ 1 cited

The Open mulTiwavelength Transient Event Repository (OTTER): Infrastructure Release and Tidal Disruption Event Catalog

Noah Franz, Kate D Alexander, Sebastian Gomez +10

Multiwavelength analyses of astrophysical transients are essential for understanding the physics of these events. To make such analyses more efficient and effective, we present the…

astro-ph.HE2025

An Agnostic Approach to Building Empirical Type Ia Supernova Light Curves: Evidence for Intrinsic Chromatic Flux Variation Using Nearby Supernova Factory Data

Jared Hand, A. G. Kim, G. Aldering +35

We present a new empirical Type Ia supernova (SN Ia) model with three chromatic flux variation templates: one phase dependent and two phase independent. No underlying dust extincti…

astro-ph.HE2025

The First Photometric Evidence of a Transient/Variable Source at z>5 with JWST

Christa DeCoursey, Eiichi Egami, Fengwu Sun +27

The James Webb Space Telescope (JWST) discovered 79 transients out to 4.8 through the JADES Transient Survey (JTS), but the JTS did not find any 5 transients. Here,…

astro-ph.HE2025★ 5 cited

JWST Discovery of a High-Redshift Tidal Disruption Event Candidate in COSMOS-Web

Mitchell Karmen, Suvi Gezari, Erini Lambrides +26

The rates and properties of tidal disruption events (TDEs) provide valuable insights into their host galaxy central stellar densities and the demographics of their central supermas…

astro-ph.HE2025★ 1 cited

Discovery of a likely Type II SN at =3.6 with JWST

D. A. Coulter, J. D. R. Pierel, C. DeCoursey +30

Transient astronomy in the early, high-redshift (z > 3) Universe is an unexplored regime that offers the possibility of probing the first stars and the Epoch of Reionization. Durin…

astro-ph.CO2024

Testing for Intrinsic Type Ia Supernova Luminosity Evolution at z>2 with JWST

J. D. R. Pierel, D. A. Coulter, M. R. Siebert +38

The James Webb Space Telescope} (JWST) is opening new frontiers of transient discovery and follow-up at high-redshift. Here we present the discovery of a spectroscopically confirme…

astro-ph.GA2024

Strong rest-UV emission lines in a "little red dot" AGN at : Early SMBH growth alongside compact massive star formation?

Hollis B. Akins, Caitlin M. Casey, Danielle A. Berg +11

JWST has now revealed a population of broad-line AGN at characterized by a distinctive SED shape, with very red rest-frame optical and very blue rest-frame UV continuum. Whil…

astro-ph.HE2024

The Type I Superluminous Supernova Catalog I: Light Curve Properties, Models, and Catalog Description

Sebastian Gomez, Matt Nicholl, Edo Berger +25

We present the most comprehensive catalog to date of Type I Superluminous Supernovae (SLSNe), a class of stripped envelope supernovae (SNe) characterized by exceptionally high lumi…

astro-ph.GA2024

Discovery of An Apparent Red, High-Velocity Type Ia Supernova at z = 2.9 with JWST

J. D. R. Pierel, M. Engesser, D. A. Coulter +27

We present the JWST discovery of SN 2023adsy, a transient object located in a host galaxy JADES-GS with a host spectroscopic redshift of . Th…

astro-ph.HE2024

Discovery of a Relativistic Stripped Envelope Type Ic-BL Supernova at z = 2.83 with JWST

M. R. Siebert, C. Decoursey, D. A. Coulter +26

We present JWST NIRCam and NIRSpec observations of a Type Ic supernova (SN Ic) and its host galaxy (JADES-GS+53.13533-27.81457) at . This SN (named SN 2023adta) was ident…

astro-ph.HE2023★ 1 cited

Roman CCS White Paper: Characterizing Superluminous Supernovae with Roman

Sebastian Gomez, Kate Alexander, Edo Berger +16

Type-I Superluminous Supernovae (SLSNe) are an exotic class of core-collapse SN (CCSN) that can be up to 100 times brighter and more slowly-evolving than normal CCSNe. SLSNe repres…