Predicted Colors and Flux Densities of Protostars in the Herschel PACS and SPIRE Filters

Details Predicted Colors and Flux Densities of Protostars in the Herschel PACS and SPIRE Filters Predicted Colors and Flux Densities of Protostars in the Herschel PACS and SPIRE Filters

2010-05-13

arxiv.org/abs/1005.2404v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

Part of HOPS KP papers to the Herschel special A&A issue

Scientific paper

Upcoming surveys with the Herschel Space Observatory will yield far-IR photometry of large samples of young stellar objects, which will require careful interpretation. We investigate the color and luminosity diagnostics based on Herschel broad-band filters to identify and discern the properties of low-mass protostars. We compute a grid of 2,016 protostars in various physical congurations, present the expected flux densities and flux density ratios for this grid of protostars, and compare Herschel observations of three protostars to the model results. These provide useful constraints on the range of colors and fluxes of protostar in the Herschel filters. We find that Herschel data alone is likely a useful diagnostic of the envelope properties of young stars

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