Rauch, B. F. and Link, J. T. and Lodders, K. and Israel, M. H. and Barbier, L. M. and Binns, W. R. and Christian, E. R. and Cummings, J. R. and de Nolfo, G. A. and Geier, S. and Mewaldt, R. A. and Mitchell, J. W. and Schindler, S. M. and Scott, L. M. and Stone, E. C. and Streitmatter, R. E. and Waddington, C. J. and Wiedenbeck, M. E. (2009) Cosmic Ray origin in OB Associations and Preferential Acceleration of Refractory Elements: Evidence from Abundances of Elements _(26)Fe through _(34)Se. Astrophysical Journal, 697 (2). pp. 2083-2088. ISSN 0004-637X. http://resolver.caltech.edu/CaltechAUTHORS:20090826-142040089
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Abstract
We report abundances of elements from _(26)Fe to _(34)Se in the cosmic radiation measured during fifty days of exposure of the Trans-Iron Galactic Element Recorder (TIGER) balloon-borne instrument. These observations add support to the concept that the bulk of cosmic ray acceleration takes place in OB associations, and they further support cosmic ray acceleration models in which elements present in interstellar grains are accelerated preferentially compared with those found in interstellar gas.
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| Additional Information: | © 2009 The American Astronomical Society. Received 2009 January 30; accepted 2009 March 27; published 2009 May 18. We gratefully acknowledge the excellent work of the staff of the Columbia Scientific Balloon Facility, the NASA Balloon Program Office, and the NSF Office of Polar Programs who together made possible two successful long-duration balloon flights over Antarctica. This research was supported by NASA at Washington University (grant NNG05WC04G), Goddard Space Flight Center, the California Institute of Technology (grant NNG05WC21G), and Caltech’s Jet Propulsion Laboratory. K.L.’s participation at Washington University was supported by the NSF (grant AST0807356). | ||||||||||||
| Group: | Space Radiation Laboratory | ||||||||||||
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| Subject Keywords: | cosmic rays; Galaxy: abundances; ISM: abundances; stars: winds, outflows | ||||||||||||
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| Issue or Number: | 2 | ||||||||||||
| Record Number: | CaltechAUTHORS:20090826-142040089 | ||||||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20090826-142040089 | ||||||||||||
| Official Citation: | Cosmic Ray origin in OB Associations and Preferential Acceleration of Refractory Elements: Evidence from Abundances of Elements 26Fe through 34Se B. F. Rauch, J. T. Link, K. Lodders, M. H. Israel, L. M. Barbier, W. R. Binns, E. R. Christian, J. R. Cummings, G. A. de Nolfo, S. Geier, R. A. Mewaldt, J. W. Mitchell, S. M. Schindler, L. M. Scott, E. C. Stone, R. E. Streitmatter, C. J. Waddington, and M. E. Wiedenbeck 2009 ApJ 697 2083-2088 doi: 10.1088/0004-637X/697/2/2083. | ||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
| ID Code: | 15344 | ||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||
| Deposited On: | 11 Sep 2009 20:42 | ||||||||||||
| Last Modified: | 24 Mar 2015 23:33 |
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