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REXIS Low-Energy Event Simulations




16: Aeronautics and Astronautics

Faculty Supervisor:

Rebecca Masterson

Faculty email:


Apply by:



becki@mit.edu, rpb@mit.edu

Project Description

REgolith X-ray Imaging Spectrometer (REXIS) is a X-ray CCD based small X-ray telescope onboard the first US asteroid sample return mission OSIRIS-Rex. REXIS recently detected an outburst from a black hole binary for the first time from the interplanetary space outside of the Earth-Moon Environment. One of the challenges in analysis of the REXIS data is the unexpected excessive X-ray events at low energies below 1 keV. We are looking for a summer student who can perform Monte-Carlo simulations for X-ray event processing in the X-ray CCDs to investigate the cause of the low energy excess observed in the REXIS CCDs.


Students with C programming language skill and experience with data analysis tools using python (e.g., numpy, scipy, matplotlib) or IDL are encouraged to apply. Experience with the CERN GEANT4 software is welcome but not necessary.