1 September 1995 BASIS: a new gamma-ray burst imaging and spectroscopy mission concept
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Abstract
We have proposed a gamma-ray burst mission concept called burst arcsecond imaging and spectroscopy (BASIS) in response to NASA's announcement for new mission concept studies. 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 for greater than 10-6 erg cm-2 bursts) are obtained for about 100 bursts per year using the 10 - 200 keV emission. This allows 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 is obtained between 0.2 keV and 200 keV. The 0.2 keV threshold allows the first measurements of absorption in our galaxy and possible host galaxies, constraining the distance scale and host environment. The mission concept and its scientific objectives are described.
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Bonnard J. Teegarden, Bonnard J. Teegarden, Neil A. Gehrels, Neil A. Gehrels, Edward E. Fenimore, Edward E. Fenimore, Louis M. Barbier, Louis M. Barbier, Thomas L. Cline, Thomas L. Cline, Ann M. Parsons, Ann M. Parsons, Jack Tueller, Jack Tueller, John F. Krizmanic, John F. Krizmanic, Scott D. Barthelmy, Scott D. Barthelmy, David M. Palmer, David M. Palmer, Gerald J. Fishman, Gerald J. Fishman, Chryssa Kouveliotou, Chryssa Kouveliotou, Kevin C. Hurley, Kevin C. Hurley, William S. Paciesas, William S. Paciesas, J. van Paradijs, J. van Paradijs, M. Leventhal, M. Leventhal, Stanford E. Woosley, Stanford E. Woosley, Dan McCammon, Dan McCammon, Wilton T. Sanders, Wilton T. Sanders, Barbara A. Schaefer, Barbara A. Schaefer, Lyle M. Bartlett, Lyle M. Bartlett, Casey M. Lisse, Casey M. Lisse, Carl Michael Stahle, Carl Michael Stahle, } "BASIS: a new gamma-ray burst imaging and spectroscopy mission concept", Proc. SPIE 2518, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VI, (1 September 1995); doi: 10.1117/12.218376; https://doi.org/10.1117/12.218376
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