Abstract
With the spatial resolution and sensitivity of the Herschel far-Infrared space observatory it is now possible to investigate the physical properties of the colder dust component of Planetary Nebulae (PNe) in a spatially resolved manner. With the photometry data of the Hershel PNe Survey “HerPlaNS” we are able to spatially characterise the dust temperature and the dust emissivity index of PNe and compare that to different astronomical environments.
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