High-Energy Universe Focus: NuSTAR Calibration Update
Explore the latest updates in NuSTAR calibration through images and descriptions, detailing adjustments made over the years to enhance observations of the high-energy universe. From initial releases to long-term gain tracking, each step aims to improve accuracy and align with focused Crab model observations.
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Presentation Transcript
Bringing the High Energy Universe into Focus NuSTAR Calibration Update Kristin K. Madsen & Brian Grefenstette And the NuSTAR SoC 3/17/2025 1
Bringing the High Energy Universe into Focus Bringing the High Energy Universe into Focus Date Description 2013-08-14 Initial CALDB public release 2013-11-25 ARF adjustment (-15% NuSTAR flux) 2014-01-17 VIGN adjustment 2014-07-01 Gain calibration improvement 2015-03-20 Full mission Gain adjustment 2016-06-06 Update gain, effective area, line of sight absorption 2019-12-13/19 Update long term gain tracking 2020-05-06 High resolution clock correction 2020-08-13 Temperature-dependent ARF implemented 2021-02-23 Observatory alignment update 2021-10-26 Observatory calibration update based on 9-years of crab observations 2022-05-10 FPMA DET2 long term gain adjustment 3/17/2025 2
Bringing the High Energy Universe into Focus Bringing the High Energy Universe into Focus 2012 In-flight Calibration Implemented a 15% increase in effective area to decrease the flux Focused Crab model: Gamma = 2.1 N = 8.5 3/17/2025 3
Bringing the High Energy Universe into Focus Bringing the High Energy Universe into Focus 71 focused Crab observations 3/17/2025 4
Bringing the High Energy Universe into Focus Bringing the High Energy Universe into Focus Relative model components 3/17/2025 5
Bringing the High Energy Universe into Focus Bringing the High Energy Universe into Focus 2021-10-26 2.13 3/17/2025 6
