Articles by Brian W. Grefenstette

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Brian W. Grefenstette

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Electromagnetic Follow-up to Gravitational Wave Events with the UltraViolet EXplorer (UVEX)

4 days ago by Alexander Criswell and others

High Energy Astrophysical Phenomena

Optimal Follow-Up of Gravitational-Wave Events with the UltraViolet EXplorer (UVEX)

8 April 2025 by Leo Singer and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

NuSTAR observations of a varying-flux quasar in the Epoch of Reionization

13 January 2025 by Lea Marcotulli and others

High Energy Astrophysical Phenomena

Spectrum and location of ongoing extreme particle acceleration in Cassiopeia A

27 November 2024 by Jooyun Woo and others at

Columbia University

High Energy Astrophysical Phenomena

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)

4 November 2024 by A. Nayana and others

High Energy Astrophysical Phenomena

First joint X-ray solar microflare observations with NuSTAR and Solar Orbiter/STIX

7 September 2024 by Natália Bajnoková and others

Solar and Stellar Astrophysics

Detecting non-thermal emission in a solar microflare using nested sampling

8 February 2024 by Kristopher Cooper and others

Solar and Stellar Astrophysics

Thermal Evolution of an Active Region through Quiet and Flaring Phases as Observed by NuSTAR XRT, and AIA

8 December 2023 by Jessie Duncan and others

Solar and Stellar Astrophysics

The High Energy X-ray Probe (HEX-P): Instrument and Mission Profile

7 December 2023 by Kristin Madsen and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

Early hard X-rays from the nearby core-collapse supernova SN2023ixf

7 June 2023 by Brian Grefenstette and others

High Energy Astrophysical Phenomena

The First Survey of Quiet Sun Features Observed in Hard X-Rays With NuSTAR

7 March 2023 by Sarah Paterson and others

Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena

Betelgeuse Constraints on Coupling between Axion-like Particles and Electrons

25 December 2022 by Mengjiao Xiao and others

High Energy Astrophysical Phenomena

Orbital decay in M82 X-2

29 August 2022 by Matteo Bachetti and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Science with the Ultraviolet Explorer (UVEX)

17 August 2022 by S. Kulkarni and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Long-Exposure NuSTAR Constraints on Decaying Dark Matter in the Galactic Halo

2 August 2022 by Brandon Roach and others

High Energy Astrophysical Phenomena, High Energy Physics

Reconstruction of the NuSTAR point spread function using single-laser metrology

9 February 2022 by Hannah Earnshaw and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

2021 Effective Area calibration of the Nuclear Spectroscopic Telescope ARray (NuSTAR)

21 October 2021 by Kristin Madsen and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

A Comprehensive X-ray Report on AT2019wey

4 September 2021 by Yuhan Yao and others

High Energy Astrophysical Phenomena

NuSTAR observations of a repeatedly microflaring active region

1 September 2021 by Kristopher Cooper and others

Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena

StrayCats: A catalog of NuSTAR Stray Light Observations

2 February 2021 by Brian Grefenstette and others

High Energy Astrophysical Phenomena

Constraints on Axion-like Particles from a Hard X-ray Observation of Betelgeuse

24 January 2021 by Mengjiao Xiao and others

High Energy Astrophysical Phenomena, High Energy Physics

Timing Calibration of the NuSTAR X-ray Telescope

9 December 2020 by Matteo Bachetti and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

NuSTAR Observation of Energy Release in Eleven Solar Microflares

12 November 2020 by Jessie Duncan and others

Solar and Stellar Astrophysics

NuSTAR low energy effective area correction due to thermal blanket tear

21 August 2020 by Kristin Madsen and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

NuSTAR Observation of a Minuscule Microflare in a Solar Active Region

23 April 2020 by Kristopher Cooper and others

Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena

Accelerated electrons observed down to <7 keV in a NuSTAR solar microflare

28 March 2020 by Lindsay Glesener and others

Solar and Stellar Astrophysics, High Energy Astrophysical Phenomena

Evidence of Particle Acceleration in the Superbubble 30 Doradus C with NuSTAR

21 March 2020 by Laura Lopez and others

High Energy Astrophysical Phenomena

NuSTAR observations of the Transient Galactic Black Hole Binary Candidate Swift J1858.6-0814: A New Sibling of V404 Cyg and V4641 Sgr?

9 January 2020 by Jeremy Hare and others

High Energy Astrophysical Phenomena

Joint X-ray, EUV and UV Observations of a Small Microflare

29 June 2019 by Iain Hannah and others

Solar and Stellar Astrophysics

A broadband look at the old and new ULXs of NGC 6946

8 May 2019 by Hannah Earnshaw and others

High Energy Astrophysical Phenomena

Topics

High Energy Astrophysical Phenomena Solar and Stellar Astrophysics Instrumentation and Methods for Astrophysics Astrophysics of Galaxies High Energy Physics Plasma Physics Space Physics Atmospheric and Oceanic Physics Cosmology and Nongalactic Astrophysics