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The VIRUS-P Exploration of Nearby Galaxies (VENGA): The Xco Gradient in NGC 628
Guillermo A. Blanc, Andreas Schruba, Neal J. Evans +13
We measure the radial profile of the 12CO(1-0) to H_2 conversion factor (Xco) in NGC 628. The Hαemission from the VENGA integral field spectroscopy is used to map the star formatio…
The Herschel DIGIT Survey of Weak-line T Tauri Stars: implications for disk evolution and dissipation
Lucas A. Cieza, Johan Olofsson, Paul M. Harvey +8
As part of the "Dust, Ice, and Gas In Time (DIGIT)" Herschel Open Time Key Program, we present Herschel photometry (at 70, 160, 250, 350 and 500 micron) of 31 Weak-Line T Tauri sta…
CO2 Ice toward Low-luminosity, Embedded Protostars: Evidence for Episodic Mass Accretion via Chemical History
Hyo Jeong Kim, Neal J. Evans, Michael M. Dunham +2
We present Spitzer IRS spectroscopy of CO2 ice bending mode spectra at 15.2 micrometer toward 19 young stellar objects with luminosity lower than 1 Lsun (3 with luminosity lower th…
Submillimeter Follow-up of WISE-Selected Hyperluminous Galaxies
Jingwen Wu, Chao-Wei Tsai, Jack Sayers +20
We have used the Caltech Submillimeter Observatory (CSO) to follow-up a sample of WISE-selected, hyperluminous galaxies, so called W1W2-dropout galaxies. This is a rare (~ 1000 all…
The First Hyper-Luminous Infrared Galaxy Discovered by WISE
Peter R. M. Eisenhardt, Jingwen Wu, Chao-Wei Tsai +21
We report the discovery by the Wide-field Infrared Survey Explorer of the z = 2.452 source WISE J181417.29+341224.9, the first hyperluminous source found in the WISE survey. WISE 1…
Fragmentation and Evolution of Molecular Clouds. III: The Effect of Dust and Gas Energetics
Hugo Martel, Andrea Urban, Neal J. Evans
Dust and gas energetics are incorporated into a cluster-scale simulation of star formation in order to study the effect of heating and cooling on the star formation process. We bui…
Warm H2O and OH in the disk around the Herbig star HD 163296
D. Fedele, S. Bruderer, E. F. van Dishoeck +5
We present observations of far-infrared (50-200 micron) OH and H2O emission of the disk around the Herbig Ae star HD 163296 obtained with Herschel/PACS in the context of the DIGIT…
A Herschel Survey of Cold Dust in Disks Around Brown Dwarfs and Low-Mass Stars
Paul M. Harvey, Thomas Henning, Yao Liu +6
We report the complete photometric results from our Herschel study which is the first comprehensive program to search for far-infrared emission from cold dust around young brown dw…
Star Formation in the Milky Way and Nearby Galaxies
Robert C. Kennicutt, Neal J. Evans
We review progress over the past decade in observations of large-scale star formation, with a focus on the interface between extragalactic and Galactic studies. Methods of measurin…