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Cosmic Ray origin in OB Associations and Preferential Acceleration of Refractory Elements: Evidence from Abundances of Elements _(26)Fe through _(34)Se

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.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0004-637X/697/2/2083DOIUNSPECIFIED
http://www.iop.org/EJ/abstract/0004-637X/697/2/2083/PublisherUNSPECIFIED
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
Funders:
Funding AgencyGrant Number
NASA at Washington UniversityNNG05WC04G
Goddard Space Flight CenterUNSPECIFIED
California Institute of TechnologyNNG05WC21G
JPLUNSPECIFIED
NSFAST0807356
Subject Keywords:cosmic rays; Galaxy: abundances; ISM: abundances; stars: winds, outflows
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2009-02
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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