BASIS mission concept for gamma-ray burst imaging and spectroscopy

Neil A. Gehrels; Bonnard J. Teegarden; Louis M. Barbier; Scott D. Barthelmy; Lyle M. Bartlett; Thomas L. Cline; Edward E. Fenimore; Gerald J. Fishman; Kevin C. Hurley; John F. Krizmanic; Chryssa Kouveliotou; M. Leventhal; Dan McCammon; Jay P. Norris; David M. Palmer; Ann M. Parsons; William S. Paciesas; Wilton T. Sanders III; Bradley Schaefer; Carl Michael Stahle; Jack Tueller; J. van Paradijs; Stanford E. Woosley

doi:10.1117/12.253983

18 October 1996 BASIS mission concept for gamma-ray burst imaging and spectroscopy

Neil A. Gehrels, Bonnard J. Teegarden, Louis M. Barbier, Scott D. Barthelmy, Lyle M. Bartlett, Thomas L. Cline, Edward E. Fenimore, Gerald J. Fishman, Kevin C. Hurley, John F. Krizmanic, Chryssa Kouveliotou, M. Leventhal, Dan McCammon, Jay P. Norris, David M. Palmer, Ann M. Parsons, William S. Paciesas, Wilton T. Sanders III, Bradley Schaefer, Carl Michael Stahle, Jack Tueller, J. van Paradijs, Stanford E. Woosley

Author Affiliations +

Proceedings Volume 2806, Gamma-Ray and Cosmic-Ray Detectors, Techniques, and Missions; (1996) https://doi.org/10.1117/12.253983
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

We are studying a gamma-ray burst mission concept called burst arcsecond imaging and spectroscopy (BASIS) as part of NASA's new mission concepts for astrophysics program. The scientific objectives are to accurately locate bursts, determine their distance scale, and measure the physical characteristics of the emission region. Arcsecond burst positions (angular resolution approximately 30 arcsec, source positions approximately 3 arcsec) will be obtained for approximately 100 bursts per year using the 10 - 100 keV emission. This will allow the first deep, unconfused counterpart searches at other wavelengths. The key technological breakthrough that makes such measurements possible is the development of CdZnTe room-temperature semiconductor detectors with fine (approximately 100 micron) spatial resolution. Fine spectroscopy will be obtained between 0.2 and 150 keV. The 0.2 keV threshold will allow the first measurements of absorption in our galaxy and possible host galaxies, constraining the distance scale and host environment.

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Neil A. Gehrels, Bonnard J. Teegarden, Louis M. Barbier, Scott D. Barthelmy, Lyle M. Bartlett, Thomas L. Cline, Edward E. Fenimore, Gerald J. Fishman, Kevin C. Hurley, John F. Krizmanic, Chryssa Kouveliotou, M. Leventhal, Dan McCammon, Jay P. Norris, David M. Palmer, Ann M. Parsons, William S. Paciesas, Wilton T. Sanders III, Bradley Schaefer, Carl Michael Stahle, Jack Tueller, J. van Paradijs, and Stanford E. Woosley "BASIS mission concept for gamma-ray burst imaging and spectroscopy", Proc. SPIE 2806, Gamma-Ray and Cosmic-Ray Detectors, Techniques, and Missions, (18 October 1996); https://doi.org/10.1117/12.253983

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