Werner, M. W.; Uchida, K. I.; Sellgren, K.; Marengo, M.; Gordon, K. D.; Morris, P. W.; Houck, J. R.; Stansberry, J. A.
(The American Astronomical Society, 2004-09)
We have observed the reflection nebula and photodissociation region NGC 7023, with the long-slit SL and LL modules, and the SH module, of the InfraRed Spectrograph (IRS) on Spitzer. We also present InfraRed Array Camera ...