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Summary: THE ASTROPHYSICAL JOURNAL, 560:749È762, 2001 October 20
( 2001. The American Astronomical Society. All rights reserved. Printed in U.S.A.
HIGH SPECTRAL AND SPATIAL RESOLUTION OBSERVATIONS OF SHOCKED MOLECULAR
HYDROGEN AT THE GALACTIC CENTER
F. YUSEF-ZADEH
Department of Physics and Astronomy, Northwestern University, Evanston, IL 60208; zadeh=northwestern.edu
S. R. STOLOVY
SIRTF Science Center, Caltech, Pasadena, CA 91125; stolovy=ipac.caltech.edu
M. BURTON
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; and School of Cosmic Physics, Dublin Institute for Advanced Studies,
5 Merrion Square, Dublin 2, Ireland; M.Burton=unsw.edu.au
M. WARDLE
School of Physics, University of Sydney, NSW 2006, Australia; wardle=physics.usyd.edu.au
AND
M. C. B. ASHLEY
School of Physics, University of New South Wales, Sydney, NSW 2052, Australia; M.Ashley=unsw.edu.au
Received 2001 March 21; accepted 2001 June 12
ABSTRACT
The presence of OH (1720 MHz) masers and the absence of counterparts at 1665/1667 MHz has
proved to be a clear diagnostic of shocked molecular gas associated with Galactic supernova remnants.
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