Bulletin of the American Physical Society
APS April Meeting 2023
Volume 68, Number 6
Minneapolis, Minnesota (Apr 15-18)
Virtual (Apr 24-26); Time Zone: Central Time
Session H02: Ten Years of NuSTAR Hard X-ray ObservationsInvited Undergrad Friendly
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Sponsoring Units: DAP Chair: Daniel Stern, Jet Propulsion Laboratory / California Institute of Technolo Room: MG Salon A - 3rd Floor |
Sunday, April 16, 2023 1:30PM - 2:06PM |
H02.00001: NuSTAR Overview and Science Highlights Invited Speaker: Daniel Stern NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) launched in June 2012, opening a new window into the X-ray universe. As the first space telescope capable of taking focused high energy X-ray observations above 10 keV, NuSTAR is providing unprecedented data on energetic sources ranging from the Sun to supermassive black holes powering distant quasars. NuSTAR has an order of magnitude sharper imaging and two orders of magnitude greater sensitivity than previous facilities at these energies. Since 2015, the observatory has primarily been run as a guest observer facility, with programs competitively selected by time allocation committees. I will provide a brief overview of the NuSTAR satellite and discuss some of the scientific highlights from NuSTAR's first decade in orbit. |
Sunday, April 16, 2023 2:06PM - 2:42PM |
H02.00002: Searching for Dark Matter with NuSTAR Invited Speaker: Kerstin M Perez Dark matter particles could be unstable and decay, annihilate with each other, or subtly alter the processes within stellar interiors, imprinting characteristic signals in the X-ray sky. The central challenge is to distinguish these signatures from similar spectra produced by standard astrophysical processes, such as the life and death of stars and the interactions of cosmic rays with interstellar material. I will review the novel observation strategies and analysis techniques that have enabled NuSTAR to deliver leading sensitivity to dark matter candidates, in particular sterile neutrinos and axions. |
Sunday, April 16, 2023 2:42PM - 3:18PM |
H02.00003: NuSTAR Observations of Accretion Physics Invited Speaker: Javier Adolfo García The Nuclear Spectroscopic Telescope Array (NuSTAR) is the first focusing hard X-ray (>10 keV) satellite in orbit, and is providing unprecedented data on energetic phenomena ranging from the solar system to distant quasars. Launched in July 2012, NuSTAR has observed the universe in the 3-79 keV energy region, a spectral window previously limited due to the lack of focusing capabilities and intrinsically high background of other instruments. The NuSTAR observatory has primarily been run as a guest observer facility since 2015, with roughly half of the observatory time being coordinated with other X-ray observatories. In this talk, I will review the role that NuSTAR has played in discovering and understanding accretion power into compact objects. I will describe some of the most relevant scientific results of the last decade including the measuring of black hole spins, detection of fast and ultra-fast outflows, physics of the X-ray corona, characterization of tidal disruption events, constraints of the equation of state in neutron stars, and spectral-timing studies of transient X-ray sources and active galactic nuclei. I will conclude the prospects for future synergies with the new microcalorimeter detectors onboard XRISM and Athena, in tandem with NuSTAR's replacement concept mission HEX-P. |
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