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The Spitzer Space Telescope Survey of the Orion A & B Molecular Clouds - Part I: A Census of Dusty Young Stellar Objects and a Study of their Mid-IR Variability
S. T. Megeath, R. Gutermuth, J. Muzerolle +10
We present a survey of the Orion A and B molecular clouds undertaken with the IRAC and MIPS instruments onboard Spitzer. In total, five distinct fields were mapped covering 9 sq. d…
A Structural Analysis of Star-Forming Region AFGL 490
L. C. Masiunas, R. A. Gutermuth, J. L. Pipher +5
We present Spitzer IRAC and MIPS observations of the star-forming region containing intermediate-mass young stellar object (YSO) AFGL 490. We supplement these data with near-IR 2MA…
Luminosity Functions of Spitzer Identified Protostars in Nine Nearby Molecular Clouds
E. Kryukova, S. T. Megeath, R. A. Gutermuth +5
We identify protostars in Spitzer surveys of nine star-forming molecular clouds within 1 kpc: Serpens, Perseus, Ophiuchus, Chamaeleon, Lupus, Taurus, Orion, Cep OB3, and Mon R2, wh…
Mass and luminosity evolution of young stellar objects
Philip C. Myers
A model of protostar mass and luminosity evolution in clusters gives new estimates of cluster age, protostar birthrate, accretion rate and mean accretion time. The model assumes co…