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The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds: VII. Ophiuchus Observed with MIPS
Deborah L. Padgett, Luisa M. Rebull, Karl R. Stapelfeldt +21
We present maps of 14.4 deg^2 of the Ophiuchus dark clouds observed by the Spitzer Space Telescope Multiband Imaging Photometer for Spitzer (MIPS). These high quality maps depict b…
Cold Disks: Spitzer Spectroscopy of Disks around Young Stars with Large Gaps
J. M. Brown, G. A. Blake, C. P. Dullemond +10
We have identified four circumstellar disks with a deficit of dust emission from their inner 15-50 AU. All four stars have F-G spectral type, and were uncovered as part of the Spit…
The Spitzer c2d Survey of Large, Nearby, Interstellar Clouds. IV. Lupus Observed with MIPS
Nicholas L. Chapman, Shih-Ping Lai, Lee G. Mundy +22
We present maps of 7.78 square degrees of the Lupus molecular cloud complex at 24, 70, and m. They were made with the Spitzer Space Telescope's Multiband Imaging Photometer…
The Spitzer c2d Survey of Weak-line T Tauri Stars II: New Constraints on the Timescale for Planet Building
Lucas Cieza, Deborah L. Padgett, Karl R. Stapelfeldt +18
One of the central goals of the Spitzer Legacy Project ``From Molecular Cores to Planet-forming Disks'' (c2d) is to determine the frequency of remnant circumstellar disks around we…
The Detection and Characterization of cm Radio Continuum Emission from the Low-mass Protostar L1014-IRS
Yancy L. Shirley, Mark J. Claussen, Tyler M. Bourke +2
Observations by the Cores to Disk Legacy Team with the Spitzer Space Telescope have identified a low luminosity, mid-infrared source within the dense core, Lynds 1014, which was pr…
c2d Spitzer IRS Spectra of Disks around T Tauri Stars. III. [Ne II], [Fe I], and H_2 gas-phase lines
Fred Lahuis, Ewine F. van Dishoeck, Geoffrey A. Blake +3
We present a survey of mid-infrared gas-phase lines toward a sample of 76 circumstellar disks around low mass pre-main sequence stars from the Spitzer "Cores to Disks" legacy progr…