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A Resolved Ring of Debris Dust Around the Solar Analog HD 107146
S. A. Corder, J. M. Carpenter, A. I. Sargent +13
We present resolved images of the dust continuum emission from the debris disk around the young (80-200 Myr) solar-type star HD 107146 with CARMA at 1.3 mm and the CSO at 350…
Detection of Dense Molecular Gas in Inter-Arm Spurs in M51
S. A. Corder, K. Sheth, N. Z. Scoville +3
Spiral arm spurs are prominent features that have been observed in extinction and 8m emission in nearby galaxies. In order to understand their molecular gas properties, we used…
Proplyds and Massive Disks in the Orion Nebula Cluster Imaged with CARMA and SMA
J. A. Eisner, R. L. Plambeck, John M. Carpenter +3
[Abridged] We imaged a 2' x 2' region of the Orion Nebula cluster in 1.3 mm wavelength continuum emission with the recently commissioned Combined Array for Research in Millimeter A…
uvbyCa H beta CCD Photometry of Clusters. VII. The Intermediate-Age Anticenter Cluster Melotte 71
B. A. Twarog, S. Corder, B. J. Anthony-Twarog
CCD photometry on the intermediate-band uvbyCa H beta system is presented for the anticenter, intermediate-age open cluster, Melotte 71. Restricting the data to probable single mem…
AB Aurigae Resolved: Evidence for Spiral Structure
Stuartt Corder, Josh Eisner, Anneila Sargent
We obtained high angular resolution (~2") images of the 13CO(J=1-0) line and 2.7 millimeter continuum emission, and slightly lower resolution images of 12CO(J=1-0) and C18O(J=1-0)…
Field Stars, Open Clusters, and the Galactic Abundance Gradient
Stuartt Corder, Bruce A. Twarog
The effects of the orbital diffusion of stars and clusters on the galactic abundance gradient have been modelled. For a single generation of field stars, the results confirm previo…