Physics
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.577..453n&link_type=abstract
In: Proceedings of the dusty and molecular universe: a prelude to Herschel and ALMA, 27-29 October 2004, Paris, France. Ed. by A
Physics
2
Ism: Individual (Cep E), Stars: Formation
Scientific paper
We present a detailed analysis of the IRAS 23011+6126 Class 0 source and its outflow (Cepheus E) based on data obtained with the three instruments on board the Spitzer Space Telescope. Surprisingly we found that this deeply embedded source is detected at short wavelengths (3.5 μm) due to the high sensitivity and spatial resolution of the IRAC camera. The new Spitzer photometric measurements (3.5 thru 70 μm) are consistent with a spectral energy distribution dominated by a cold, dense envelope surrounding the protostar. The outflow itself (Cep E) displays a very similar morphology in the near and mid-infrared wavelengths and is detected at 24 micron with MIPS. The IRS observations of the North lobe of the flow confirm that most of the emission is due to the excitation of pure H2 rotational transitions arising from a relatively cold (Tex = 700K) and dense (6.4×104 cm-3) molecular gas.
Carey Sean
Latter William B.
Moro-Martín Amaya
Morris Pat W.
Muzerolle James
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