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
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
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
School of Physics, University of Sydney, NSW 2006, Australia; wardle=physics.usyd.edu.au
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
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.