Mauna Kea Giants Find Common Nursery for Comets

maging and spectroscopy of four temporal epochs of comet 9P/Tempel 1 obtained before and after impact. For each epoch, the 10 µm spectrum (left column Fλ (W cm -2 µm -1)), and an 11.7 µm image (center column) is shown. The thermal model (right column λFλ (W cm -2)) for each epoch is plotted on top of the observed spectra. For epochs T= 0:08; +1:0, and +1:8 hrs, the on-source integration time for each spectrum is 100.8 sec. For the T = +26:4 hrs epoch, the on-source integration time for the spectrum is 705.6 sec. The size of the extraction aperture for all spectra is a 0.6" x 1.0" rectangle (392,653 km) centered on the brightest part of the coma, and is indicated in red in each image. Plotted model components are: the total model SED (red line); asteriodal standard thermal model nucleus flux (orange line); amorphous olivine (blue line); amorphous pyroxene (cyan line); amorphous carbon (brown line); crystalline olivine (green line).