Spectroscopy of Spitzer-discovered Protostars in the Elephant Trunk Nebula

Details Spectroscopy of Spitzer-discovered Protostars in the Elephant Trunk Nebula Spectroscopy of Spitzer-discovered Protostars in the Elephant Trunk Nebula

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop.3137r&link_type=abstract

Spitzer Proposal ID #3137

Physics

Scientific paper

We propose to obtain spectra of protostellar candidates discovered in the early Spitzer observation of IC 1396N. No protostars were known or suspected in the globule before the Spitzer observations, and the properties of such objects are not known. The IRS observations were designed with sufficient signal-to-noise to detect absorption features due to silicates and ices. The shape of the spectral energy distribution and the depth of the silicate feature will be used to determine the ratio of stellar core to envelope mass and determine the evolutionary state of these new objects. This is a unique sample having a range of suspected evolutionary states all located in the same globule.

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