The Following text was taken from the ESA Science site: URL: http://isowww.estec.esa.nl/science/
The OI 63 micron absorption line overlaid on an 8.4 GHz VLA image of Sgr B2 showing a 4.4 x 4.4 pc field centered on the luminous FIR source Sgr B2 M. The width of the box (80") is the FWHM diameter of the ISO LWS beam; the spectral resolution of the LWS FP at 63 microns is 37 km/s.
INFRARED PROCESSING AND ANALYSIS CENTER