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Astrochemical Properties of Planck Cold Clumps
Ken'ichi Tatematsu, Tie Liu, Satoshi Ohashi +25
We observed thirteen Planck cold clumps with the James Clerk Maxwell Telescope/SCUBA-2 and with the Nobeyama 45 m radio telescope. The NH distribution obtained with the Nob…
The fragmentation and stability of hierarchical structure in Serpens South
R. K. Friesen, T. L. Bourke, J. Di Francesco +2
Filamentary structures are ubiquitous in molecular clouds, and have been recently argued to play an important role in regulating the size and mass of embedded clumps through fragme…
The Case for a Publicly Available, Well-Instrumented GBT Operating at 20-115 GHz
J. Bally, G. Blake, A. Bolatto +16
A well-instrumented Green Bank Telescope (GBT) operating at high frequency represents a unique scientific resource for the US community. As a filled-aperture, 100m-diameter telesco…
Infall/Expansion Velocities in the Low-Mass Dense Cores L492, L694-2, and L1521F: Dependence on Position and Molecular Tracer
Jared Keown, Scott Schnee, Tyler L Bourke +6
Although surveys of infall motions in dense cores have been carried out for years, few surveys have focused on mapping infall across cores using multiple spectral line observations…
The JCMT Gould Belt Survey: First results from SCUBA-2 observations of the Cepheus Flare Region
Kate Pattle, Derek Ward-Thompson, Jason M. Kirk +57
We present observations of the Cepheus Flare obtained as part of the James Clerk Maxwell Telescope (JCMT) Gould Belt Legacy Survey (GBLS) with the SCUBA-2 instrument. We produce a…
The JCMT Gould Belt Survey: Dense Core Clusters in Orion A
J. Lane, H. Kirk, D. Johnstone +8
The Orion A molecular cloud is one of the most well-studied nearby star-forming regions, and includes regions of both highly clustered and more dispersed star formation across its…
The JCMT and Herschel Gould Belt Surveys: A comparison of SCUBA-2 and Herschel data of dense cores in the Taurus dark cloud L1495
Derek Ward-Thompson, Kate Pattle, Jason Kirk +27
We present a comparison of SCUBA-2 850-m and Herschel 70--500-m observations of the L1495 filament in the Taurus Molecular Cloud with the goal of characterising the SCUBA-2 G…
ALMA Observations of the Debris Disk of Solar Analogue Tau Ceti
Meredith A. MacGregor, Samantha M. Lawler, David J. Wilner +4
We present 1.3 mm observations of the Sun-like star Ceti with the Atacama Large Millimeter/submillimeter Array (ALMA) that probe angular scales of '' (4 AU). This first…
The JCMT Gould Belt Survey: A First Look at Southern Orion A with SCUBA-2
Steve Mairs, D. Johnstone, H. Kirk +52
We present the JCMT Gould Belt Survey's first look results of the southern extent of the Orion A Molecular Cloud (). Employing a two-step struct…
The JCMT Gould Belt Survey: Evidence for Dust Grain Evolution in Perseus Star-forming Clumps
Michael Chun-Yuan Chen, J. Di Francesco, D. Johnstone +56
The dust emissivity spectral index, , is a critical parameter for deriving the mass and temperature of star-forming structures, and consequently their gravitational stability. T…
The JCMT Gould Belt Survey: Evidence for radiative heating and contamination in the W40 complex
D. Rumble, J. Hatchell, K. Pattle +55
We present SCUBA-2 450μm and 850μm observations of the W40 complex in the Serpens-Aquila region as part of the James Clerk Maxwell Telescope (JCMT) Gould Belt Survey (GBS) of nearb…