Shocks and Outflows in Young Massive Stars: The R Mon / HH 39 System

Details Shocks and Outflows in Young Massive Stars: The R Mon / HH 39 System Shocks and Outflows in Young Massive Stars: The R Mon / HH 39 System

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20034a&link_type=abstract

Spitzer Proposal ID #20034

Physics

Scientific paper

We propose to use Spitzer's sensitive imaging and spectroscopic capabilities to undertake a comprehensive infrared study of the massive young star R Mon and its associated Herbig-Haro object HH 39. We will reach unprecendeted sensitivities with IRAC to search for mid-IR emission from R Mon's circumstellar disk, and from its powerful jets and outflow. We will obtain the first deep mid-IR image of the HH 39 complex located 7' North of R Mon with IRAC and MIPS. We will search for mid and far-IR emission from shocked material, similar to that recently detected by IRAC in HH 46/47. With IRS, we will obtain the first mid-IR spectra of R Mon's bipolar jet and of several emission knots in HH 39. We will also derive the low-resolution SED of R Mon with MIPS. Despite its spectacular nature, R Mon has received little attention in the mid-IR and was never observed by ISO. This short Spitzer proposal aims at studying in young massive stars the physical links between accretion disks, outflows and jets, and shocks in the associated HH objects. The latter can help us understand the importance of the mechanical energy input of young stars for the origin of turbulence in molecular clouds. The R Mon/HH 39 system is ideal to fulfill our goals.

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