Physics
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf...92c&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.92
Physics
Scientific paper
The morphology of the comae of comets is determined by many factors including the shape of the nucleus, the rotation, the presence of active regions and jets and obliquity. Maps of the morphology allow us to study these underlying processes but only to the extent that we can determine departures from spherical symmetry. Photometric observations must assume symmetry. Long slit CCD spectrographic observations can probe asymmetry but only if the slit is set at different position angles and the coma is mapped sufficiently quickly that the morphology does not change. Imaging through filters allows for full mapping but is limited by the bandpass of the filters and cannot map well the weak features. We present in this paper data from a new instrument, an integral field spectrograph with a moderately large field-of-view, that allows for full mapping similar to imaging but with spectral resolution similar to long slit CCD spectrographs.
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