Spitzer IRS follow-up of low-luminosity objects in Taurus

Computer Science

Scientific paper

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Scientific paper

We propose to obtain IRS spectra of a sample of low-luminosity young stars in the Taurus Molecular Cloud that were identified in our Spitzer IRAC and MIPS Legacy survey of the cloud complex. Our sample contains Class 0/I and II sources, transitional disks, edge-on disks, and brown dwarfs with accretion disks. This IRS follow-up proposal is complementary to the IRS GTO program on previously known, bright Taurus members and will provide information on the disk properties of hitherto unknown low-mass and sub-stellar objects. Our goals include a comparison of IRS spectra low-luminosity members and the bright members; a determination of the proto-planetary disk properties; a quantification of dust processing in their disks; and a study of the properties of transitional disks and enveloppes in embedded protostars..

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