KA
Kate Alexander
astro-ph.HEastro-ph.GAastro-ph.COastro-ph.IMastro-ph.SRhep-phhep-exHigh-energy astrophysicsTime-domain astronomyTransient astrophysical phenomena
On Valency
published · living versionsW_ksvntnwg·v1 · currentpublished
The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the Ultraviolet to the Near-Infrared
with Natalie LeBaron, Raffaella Margutti, Ryan Chornock, A. J. Nayana +43
1 version
W_nbqtbjd8·v1published
W_79367mnm·v1published
W_azvrz9se·v1published
W_nhg95zxv·v1published
W_caq2h6g4·v1published
Preprints & journals
116 papers in the corpus · 2011–2026An Off-Nuclear Tidal Disruption Event Discovered At Late Times: The Case Of TDE 2023mfm2609.35998v1 · Itai Sfaradi, Ryan Chornock, Yuhan Yao et al.2026 · 0 citationsarXiv
A Proliferated Space Architecture for Time-Domain Astrophysics2609.12153v1 · Daniel Kocevski (NASA/MSFC), Eric Burns (LSU), Thomas Barclay (NASA/GSFC) et al.2026 · 0 citationsarXiv
Aarmed with Data: Bumps, Outflows, and Disk-like Emission in TDE 2025aarm2609.09725v2 · Aysha Aamer, Kate D. Alexander, Charlotte R. Angus et al.2026 · 0 citationsarXiv
One year of broadband radio monitoring of the enigmatic transient GRB 250702B reveals the evolution of the relativistic jet2608.03205v1 · A. J. Goodwin, James C. A. Miller-Jones, Itai Sfaradi et al.2026 · 0 citationsarXiv
4th TDAMM Workshop White Paper2607.22404v1 · Daniel Kocevski, Raffaella Margutti, Michael Coughlin et al.2026 · 0 citationsarXiv
Revealing the Structure and Magnetization of GRB Jets with ALMA Polarization Observations2607.20604v1 · Tanmoy Laskar, Collin T. Christy, Noah Franz et al.2026 · 0 citationsarXiv
Triple radio flares from tidal disruption events: jet-wind collisions and the discovery of a third radio flare from AT2020vwl2607.15438v1 · Andrew Mummery, Adelle Goodwin, Colin Christy et al.2026 · 0 citationsarXiv
The Radio Properties of Extreme Coronal Line Emitters: Constraints on the Sub-parsec Environment2607.09871v1 · Noah Franz, Kate D. Alexander, Collin T. Christy et al.2026 · 0 citationsarXiv
A Self-Consistent Framework for Synchrotron Equipartition Analysis2607.06770v1 · Coleman Rohde, Tanmoy Laskar, Noah Franz et al.2026 · 0 citationsarXiv
Radio Observations of the Unusual Tidal Disruption Event AT 2022wtn: a Fast and Highly Energetic Outflow2607.06777v1 · Gavin Farley, Tanmoy Laskar, Noah Franz et al.2026 · 0 citationsarXiv
JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis2606.28561v1 · Manisha Shrestha, Lindsey A. Kwok, David J. Sand et al.2026 · 0 citationsarXiv
Late-time JWST/NIRCam Observations of the Extremely Long-duration GRB 250702B/EP 250702a and Its Host Galaxy2606.18353v1 · Huei Sears, Jean J. Somalwar, Ryan Chornock et al.2026 · 0 citationsarXiv
VLA Observations Confirm AT 2023mfm as an Off-nuclear Tidal Disruption Event2606.06595v2 · Wenkai Li, Collin T. Christy, Kate D. Alexander et al.2026 · 0 citationsRes. Notes AAS 10 (2026) 153
A 14-year-old Mystery: The Peculiar Case of the Engine-driven SN 2012ap2605.16495v1 · Itai Sfaradi, Raffaella Margutti, Ryan Chornock et al.2026 · 1 citationarXiv
First Detection of Faraday Rotation in a Gamma-Ray Burst Afterglow: Low Polarization and High Rotation Measure in GRB 260310A Reveal Jet Magnetic Structure and Environment2604.27480v1 · Collin T. Christy, Tanmoy Laskar, Kate D. Alexander et al.2026 · 2 citationsarXiv
Rapid-response 1.3 mm Observations of GRB 260127A with the Submillimeter Array2604.14297v2 · Garrett K. Keating, Tanmoy Laskar, Anna Y. Q. Ho et al.2026 · 0 citationsarXiv
Search For a Counterpart to the Subsolar Mass Gravitational Wave Candidate S251112cm2603.17009v2 · Nicholas Vieira, Noah Franz, Bhagya Subrayan et al.2026 · 1 citationarXiv
AT2024lhc and AT2024kmq in the landscape of featureless tidal disruption events2602.21624v1 · Yuhan Yao, Ryan Chornock, Andrew Mummery et al.2026 · 0 citationsMon Not R Astron Soc (2026)
SN 2023zcu: A Type IIP SN with Early Flash Features2601.14830v1 · Monalisa Dubey, Kuntal Misra, G'eza Csornyei et al.2026 · 1 citationarXiv
SN 2024abfl: A Flat-Plateau, Low-Luminosity Type IIP Supernova with Early CSM Interaction2601.02638v1 · Madison Gerard, Jennifer E. Andrews, Geoffrey C. Clayton et al.2026 · 0 citationsarXiv
SN 2024iss: A Double-peaked Type IIb Supernova with Evidence of Circumstellar Interaction2510.22997v1 · Liyang Chen, Xiaofeng Wang, Qinyu Wu et al.2025 · 2 citationsA&A 710, A33 (2026)
Optimizing Kilonova Searches: A Case Study of the Type IIb SN 2025ulz in the Localization Volume of the Low-Significance Gravitational Wave Event S250818k2510.17104v2 · Noah Franz, Bhagya Subrayan, Charles D. Kilpatrick et al.2025 · 10 citationsarXiv
No Sign of a Magnetar Remnant Following the Kilonova-Producing Long GRB 211211A Years Later2510.09744v2 · Genevieve Schroeder (Cornell), Ben Margalit, Brian D. Metzger et al.2025 · 1 citationarXiv
Rapid onset of a Comptonisation zone in the repeating tidal disruption event XMMSL2 J140446.9-2511352510.02905v1 · R. D. Saxton, T. Wevers, S. van Velzen et al.2025 · 2 citationsA&A 704, A165 (2025)
Dichotomy in Long-Lived Radio Emission from Tidal Disruption Events AT 2020zso and AT 2021sdu: Multi-Component Outflows vs. Host Contamination2509.14317v1 · Collin T. Christy, Kate D. Alexander, Tanmoy Laskar et al.2025 · 1 citationarXiv
The Open mulTiwavelength Transient Event Repository (OTTER): Infrastructure Release and Tidal Disruption Event Catalog2509.05405v2 · Noah Franz, Kate D Alexander, Sebastian Gomez et al.2025 · 8 citationsarXiv
The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the Ultraviolet to the Near-Infrared2509.00951v1 · Natalie LeBaron, Raffaella Margutti, Ryan Chornock et al.2025 · 8 citationsarXivon Valency
The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the X-rays and Radio2509.00952v1 · A.J. Nayana, Raffaella Margutti, Eli Wiston et al.2025 · 13 citationsarXiv
The First Radio-Bright Off-Nuclear TDE 2024tvd Reveals the Fastest-Evolving Double-Peaked Radio Emission2508.03807v1 · Itai Sfaradi, Raffaella Margutti, Ryan Chornock et al.2025 · 0 citationsarXiv
Continued Rapid Radio Brightening of the Tidal Disruption Event AT2018hyz2507.08998v1 · Yvette Cendes, Edo Berger, Paz Beniamini et al.2025 · 3 citationsarXiv
Optically Overluminous Tidal Disruption Events: Outflow Properties and Implications for Extremely Relativistic Disruptions2507.06453v1 · Yuhan Yao, Kate D. Alexander, Wenbin Lu et al.2025 · 7 citationsarXiv
The Multi-Wavelength Context of Delayed Radio Emission in TDEs: Evidence for Accretion-Driven Outflows2506.12729v2 · Kate D. Alexander, Raffaella Margutti, Sebastian Gomez et al.2025 · 1 citationarXiv
A Massive Black Hole 0.8 kpc from the Host Nucleus Revealed by the Offset Tidal Disruption Event AT2024tvd2502.17661v2 · Yuhan Yao, Ryan Chornock, Charlotte Ward et al.2025 · 26 citationsarXiv
Late-time HST and JWST Observations of GRB 221009A: Evidence for a Break in the Light Curve at 50 Days2412.02663v2 · Huei Sears, Ryan Chornock, Peter Blanchard et al.2024 · 0 citationsarXiv
Dinosaur in a Haystack : X-ray View of the Entrails of SN 2023ixf and the Radio Afterglow of Its Interaction with the Medium Spawned by the Progenitor Star (Paper 1)2411.02647v1 · A.J. Nayana, Raffaella Margutti, Eli Wiston et al.2024 · 2 citationsarXiv
A second radio flare from the tidal disruption event AT2020vwl: a delayed outflow ejection?2410.18665v1 · A. J. Goodwin, A. Mummery, T. Laskar et al.2024 · 15 citationsarXiv
PS1-11aop: Probing the Mass Loss History of a Luminous Interacting Supernova Prior to its Final Eruption with Multi-wavelength Observations2410.15140v1 · Adaeze L. Ibik, Maria R. Drout, Raffaela Margutti et al.2024 · 6 citationsarXiv
Quasi-periodic X-ray eruptions years after a nearby tidal disruption event.39385028 · Nicholl, M, Pasham, D R, Mummery, A et al.2024 · 85 citationsNature. 2024;634(8035):804-808
Fragments of harmony amid apparent chaos: a closer look at the X-ray quasi-periodic eruptions of the galaxy RX J1301.9+27472409.01938v1 · Margherita Giustini, Giovanni Miniutti, Riccardo Arcodia et al.2024 · 25 citationsA&A 692, A15 (2024)
Eight Years of Light from ASASSN-15oi: Towards Understanding the Late-time Evolution of TDEs2407.19019v1 · A. Hajela (U. of Copenhagen), K. D. Alexander, R. Margutti et al.2024 · 0 citationsarXiv
The Long-lived Broadband Afterglow of Short Gamma-Ray Burst 231117A and the Growing Radio-Detected Short GRB Population2407.13822v1 · Genevieve Schroeder (Northwestern/CIERA), Wen-fai Fong, Charles D. Kilpatrick et al.2024 · 1 citationarXiv
Constraints on Relativistic Jets from the Fast X-ray Transient 210423 using Prompt Radio Follow-Up Observations2407.07257v2 · Dina Ibrahimzade, R. Margutti, J. S. Bright et al.2024 · 3 citationsarXiv
The Peculiar Radio Evolution of the Tidal Disruption Event ASASSN-19bt2404.12431v1 · Collin T. Christy, Kate D. Alexander, Yvette Cendes et al.2024 · 17 citationsarXiv
Late-time X-ray Observations of the Jetted Tidal Disruption Event AT2022cmc: The Relativistic Jet Shuts Off2404.10036v2 · T. Eftekhari, A. Tchekhovskoy, K. D. Alexander et al.2024 · 18 citationsarXiv
JWST detection of a supernova associated with GRB 221009A without an r-process signature.38912294 · Blanchard, Peter K, Villar, V Ashley, Chornock, Ryan et al.2024 · 46 citationsNature astronomy. 2024;8(6):774-785
Time-varying double-peaked emission lines following the sudden ignition of the dormant galactic nucleus AT2017bcc2310.20408v2 · E. J. Ridley, M. Nicholl, C. A. Ward et al.2023 · 7 citationsarXiv
X-ray eruptions every 22 days from the nucleus of a nearby galaxy2309.03011v2 · Muryel Guolo (JHU), Dheeraj R. Pasham, Michal Zajacek et al.2023 · 66 citationsNat Astron (2024),
JWST Observations of the Extraordinary GRB 221009A Reveal an Ordinary Supernova Without Signs of -Process Enrichment in a Low-Metallicity Galaxy2308.14197v1 · Peter K. Blanchard, V. Ashley Villar, Ryan Chornock et al.2023 · 2 citationsarXiv
Ubiquitous Late Radio Emission from Tidal Disruption Events2308.13595v2 · Yvette Cendes, Edo Berger, Kate D. Alexander et al.2023 · 90 citationsThe Astrophysical Journal, Volume 971, Number 2, 2024
A Radio Flare in the Long-Lived Afterglow of the Distant Short GRB 210726A: Energy Injection or a Reverse Shock from Shell Collisions?2308.10936v2 · Genevieve Schroeder (Northwestern/CIERA), Lauren Rhodes, Tanmoy Laskar et al.2023 · 19 citationsarXiv
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