A Spitzer Imaging Survey of the Entire Taurus Molecular Cloud

Details A Spitzer Imaging Survey of the Entire Taurus Molecular Cloud A Spitzer Imaging Survey of the Entire Taurus Molecular Cloud

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop.3584p&link_type=abstract

Spitzer Proposal ID #3584

Computer Science

Scientific paper

The star-forming clouds nearest to our Sun are located 140 pc away in Taurus. Lacking young stellar clusters and luminous OB stars, Taurus hosts a distributed mode of star formation that has proven particularly amenable to observational and theoretical study. Yet despite its importance to the past two decades of star formation research, only fragments of the Taurus clouds are currently planned for mapping with the Spitzer Space Telescope. We propose to make a comprehensive, unbiased map of the TMC using MIPS and IRAC, covering an area of 28 square degrees. Achieving sensitivities 20 times better than ISOCAM at 8 microns, and 200 times better than IRAS at 24 microns, these maps will reveal the lowest luminosity members of the young stellar population: collapsing protostars, young substellar objects, and edge-on disks. Due to the importance of this dataset in establishing new objects for followup with Spitzer and HST, we will waive our proprietary rights to the data and make the images and source catalogs available to the community upon completion of the survey. This survey will be a central and crucial part of a multiwavelength study of the Taurus cloud complex that we are already conducting using XMM and CFHT. The 5 - 7 photometry data points we will obtain from Spitzer will allow us to characterize the circumstellar environment of each object, and, in conjunction with NIR photometry, construct a complete luminosity function for the cloud members that will place constraints on the initial mass function.

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