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IXPE: The Imaging X-ray Polarimetry Explorer, Implementing a Dedicated Polarimetry MissionOnly a few experiments have conducted x-ray polarimetry of cosmic sources since Weisskopf et al confirmed the 19% polarization of the Crab Nebula with the Orbiting Solar Observatory (OSO-8) in the 70's center dot The challenge is to measure a faint polarized component against a background of non-polarized signal (as well as the other, typical background components) center dot Typically, for a few % minimum detectable polarization, 106 photons are required. center dot So, a dedicated mission is vital with instruments that are designed specifically to measure polarization (with minimal systematic effects) Over the proposed mission life (2- 3 years), IXPE will first survey representative samples of several categories of targets: magnetars, isolated pulsars, pulsar wind nebula and supernova remnants, microquasars, active galaxies etc. The survey results will guide detailed follow-up observations. Precise calibration of IXPE is vital to ensuring sensitivity goals are met. The detectors will be characterized in Italy, and then a full calibration of the complete instrument will be performed at MSFC's stray light facility. Polarized flux at different energies Heritage: X-ray Optics at MSFC polarimetry mission.
Document ID
20140012956
Document Type
Presentation
Authors
Ramsey, Brian (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
October 10, 2014
Publication Date
August 25, 2014
Subject Category
Astrophysics
Report/Patent Number
M14-4060
Meeting Information
Imaging X-ray Polarimetry Explorer Implementing a Dedicated Polarimetry Mission(Stockholm)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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