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The Taurus Spitzer Survey: New Candidate Taurus Members Selected Using Sensitive Mid-Infrared Photometry
L. M. Rebull, D. L. Padgett, C. -E. McCabe +31
We report on the properties of pre-main-sequence objects in the Taurus molecular clouds as observed in 7 mid- and far-infrared bands with the Spitzer Space Telescope. There are 215…
The Dust Emissivity Spectral Index in the Starless Core TMC-1C
Scott Schnee, Melissa Enoch, Alberto Noriega-Crespo +10
In this paper we present a dust emission map of the starless core TMC-1C taken at 2100 microns. Along with maps at 160, 450, 850 and 1200 microns, we study the dust emissivity spec…
The Metallicity of the Pleiades
David R. Soderblom, Tanmoy Laskar, Jeff A. Valenti +2
We have measured the abundances of Fe, Si, Ni, Ti, and Na in 20 Pleiads with \teff values near solar and with low \vsini using high-resolution, high signal-to-noise echelle spectra…
Mid-Infrared Variability of protostars in IC 1396A
M. Morales-Calderon, J. R. Stauffer, L. Rebull +7
We have used Spitzer/IRAC to conduct a photometric monitoring program of the IC1396A dark globule in order to study the mid-IR (3.6 - 8 micron) variability of the heavily embedded…
The Distance to NGC 2264
Eric J. Baxter, Kevin R. Covey, August A. Muench +3
We determine the distance to the open cluster NGC 2264 using a statistical analysis of cluster member inclinations. We derive distance-dependent values of sin i (where i is the inc…
Evidence for dust evolution within the Taurus Complex from Spitzer images
N. Flagey, A. Noriega-Crespo, F. Boulanger +9
We present Spitzer images of the Taurus Complex (TC) and take advantage of the sensitivity and spatial resolution of the observations to characterize the diffuse IR emission across…
The North American and Pelican Nebulae I. IRAC Observations
S. Guieu, L. M. Rebull, J. R. Stauffer +8
We present a 9 deg^2 map of the North American and Pelican Nebulae regions obtained in all four IRAC channels with the Spitzer Space Telescope. The resulting photometry is merged w…
The Spitzer survey of interstellar clouds in the Gould Belt. II. The Cepheus Flare observed with IRAC and MIPS
Jason M. Kirk, Derek Ward-Thompson, James Di Francesco +14
We present Spitzer IRAC (~2 deg^2) and MIPS (~8 deg^2) observations of the Cepheus Flare which is associated with the Gould Belt, at an approximate distance of ~300 pc. Around 6500…
Primordial Circumstellar Disks in Binary Systems: Evidence for Reduced Lifetimes
Lucas A. Cieza, Deborah L. Padgett, Lori E. Allen +9
We combine the results from several multiplicity surveys of pre-main-sequence stars located in four nearby star-forming regions with Spitzer data from three different Legacy Projec…
Far-infrared Observations of the Very Low-Luminosity Embedded Source L1521F-IRS in the Taurus Star-Forming Region
Susan Terebey, Michel Fich, Alberto Noriega-Crespo +14
We investigate the environment of the very low-luminosity object L1521F IRS using data from the Taurus Spitzer Legacy Survey. The MIPS 160 micron image shows both extended emission…
Young stellar clusters and star formation throughout the Galaxy
Eric Feigelson, Fred Adams, Lori Allen +22
Most stars are born in rich young stellar clusters (YSCs) embedded in giant molecular clouds. The most massive stars live out their short lives there, profoundly influencing their…