Publications (44)
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 struc…
Recent Searches for the Radio Lines of NH_3 in Comets
J. Hatchell, M. K. Bird, F. F. S. van der Tak +1
Radio observations in the ammonia inversion lines of four comets, C/2001 A2 (LINEAR), 153P/Ikeya-Zhang, C/2001 Q4 (NEAT) and C/2002 T7 (LINEAR), were performed at the Effelsberg 10…
The JCMT Gould Belt Survey: SCUBA-2 observations of circumstellar disks in L 1495
J. V. Buckle, E. Drabek-Maunder, J. Greaves +51
We present 850m and 450m data from the JCMT Gould Belt Survey obtained with SCUBA-2 and characterise the dust attributes of Class I, Class II and Class III disk sources in…
The JCMT Legacy Survey of the Gould Belt: a first look at Orion B with HARP
J. V. Buckle, E. I. Curtis, J. F. Roberts +30
The Gould Belt Legacy Survey will survey nearby star-forming regions (within 500 pc), using HARP (Heterodyne Array Receiver Programme), SCUBA-2 (Submillimetre Common- User Bolomete…
Star formation in Perseus
J. Hatchell, J. S. Richer, G. A. Fuller +3
We present a complete survey of current star formation in the Perseus molecular cloud, made at 850 and 450 micron with SCUBA at the JCMT. Covering 3 deg^2, this submillimetre conti…
Molecular line contamination in the SCUBA-2 450 μm and 850 μm continuum data
E. Drabek, J. Hatchell, P. Friberg +6
Observations of the dust emission using millimetre/submillimetre bolometer arrays can be contaminated by molecular line flux, such as flux from 12CO. As the brightest molecular lin…
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 Gould Belt Survey: Dense Core Clusters in Orion B
H. Kirk, D. Johnstone, J. Di Francesco +17
The JCMT Gould Belt Legacy Survey obtained SCUBA-2 observations of dense cores within three sub-regions of Orion B: LDN 1622, NGC 2023/2024, and NGC 2068/2071, all of which contain…
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.…
The JCMT Gould Belt Survey: Evidence for radiative heating in Serpens MWC 297 and its influence on local star formation
D. Rumble, J. Hatchell, R. A. Gutermuth +61
We present SCUBA-2 450micron and 850micron observations of the Serpens MWC 297 region, part of the JCMT Gould Belt Survey of nearby star-forming regions. Simulations suggest that r…
Star formation in Perseus: II. SEDs, classification and lifetimes
J. Hatchell, G. A. Fuller, J. S. Richer +2
Working with the submillimetre continuum map of the Perseus molecular cloud (Hatchell et al. 2005), we aimed to determine the evolutionary stage of each submm core in Perseus, and…
Probing the initial conditions of High Mass Star formation -- I. Deuteration and depletion in high mass pre/protocluster clumps
T. Pillai, F. Wyrowski, J. Hatchell +2
UltraCompact HII regions are signposts of high mass star formation. Since high-mass star formation occurs in clusters, one expects to find even earlier phases of massive star forma…
The JCMT Gould Belt Survey: the effect of molecular contamination in SCUBA-2 observations of Orion A
S. Coudé, P. Bastien, H. Kirk +7
Thermal emission from cold dust grains in giant molecular clouds can be used to probe the physical properties, such as density, temperature and emissivity in star-forming regions.…
The JCMT Gould Belt Survey: Understanding the influence of molecular outflows on Gould Belt clouds
E. Drabek-Maunder, J. Hatchell, J. V. Buckle +2
Using JCMT Gould Belt Survey data from CO J=3-2 isotopologues, we present a meta-analysis of the outflows and energetics of star-forming regions in several Gould Belt clouds. The m…
The end of star formation in Chamaeleon I ? A LABOCA census of starless and protostellar cores
A. Belloche, F. Schuller, B. Parise +7
Chamaeleon I is the most active region in terms of star formation in the Chamaeleon molecular cloud complex. Its population of prestellar and protostellar cores is not known and a…
The JCMT Gould Belt Survey: First results from the SCUBA-2 observations of the Ophiuchus molecular cloud and a virial analysis of its prestellar core population
K. Pattle, D. Ward-Thompson, J. M. Kirk +59
In this paper we present the first observations of the Ophiuchus molecular cloud performed as part of the James Clerk Maxwell Telescope (JCMT) Gould Belt Survey (GBS) with the SCUB…
The JCMT Gould Belt Survey: A Quantitative Comparison Between SCUBA-2 Data Reduction Methods
S. Mairs, D. Johnstone, H. Kirk +18
Performing ground-based submillimetre observations is a difficult task as the measurements are subject to absorption and emission from water vapour in the Earth's atmosphere and ti…
The JCMT Spectral Legacy Survey
R. Plume, G. A. Fuller, F. Helmich +30
Stars form in the densest, coldest, most quiescent regions of molecular clouds. Molecules provide the only probes which can reveal the dynamics, physics, chemistry and evolution of…
The JCMT dense gas survey of the Perseus Molecular Cloud
S. L. Walker-Smith, J. S. Richer, J. V. Buckle +2
We present the results of a large-scale survey of the very dense gas in the Perseus molecular cloud using HCO+ and HCN (J = 4 - 3) transitions. We have used this emission to trace…
Goonhilly: a new site for e-MERLIN and the EVN
H. -R. Kloeckner, S. Rawlings, I. Heywood +8
The benefits for the e-MERLIN and EVN arrays of using antennae at the satellite communication station at Goonhilly in Cornwall are discussed. The location of this site - new to ast…
An observational survey of molecular emission ahead of Herbig-Haro objects
S. Viti, J. M. Girart, J. Hatchell
Context. A molecular survey recently performed ahead of HH~2 supports the idea that the observed molecular enhancement is due to UV radiation from the HH object. Aims. The aim of t…
The JCMT Gould Belt Survey: A First Look at IC 5146
D. Johnstone, S. Ciccone, H. Kirk +53
We present 450 and 850 micron submillimetre continuum observations of the IC5146 star-forming region taken as part of the JCMT Gould Belt Survey. We investigate the location of bri…
The Correlation of Dust and Gas Emission in Star-Forming Environments
L. K. Morgan, T. J. T. Moore, D. J. Eden +2
We present ammonia maps of portions of the W3 and Perseus molecular clouds in order to compare gas emission with submillimetre continuum thermal emission which are commonly used to…
A SCUBA imaging survey of ultracompact HII regions: The environments of massive star formation
M. A. Thompson, J. Hatchell, A. J. Walsh +2
We present a SCUBA submillimetre (450 & 850 micron) survey of the environment of 105 IRAS point sources, selected from the Wood & Churchwell (1989a) and Kurtz, Churchwell & Wood (1…
The SCUBA-2 "All-Sky" Survey
M. A. Thompson, S. Serjeant, T. Jenness +45
The sub-millimetre wavelength regime is perhaps the most poorly explored over large areas of the sky, despite the considerable effort that has been expended in making deep maps ove…
Dust polarized emission observations of NGC 6334; BISTRO reveals the details of the complex but organized magnetic field structure of the high-mass star-forming hub-filament network
D. Arzoumanian, R. Furuya, T. Hasegawa +145
[Abridged] Filaments and hubs have received special attention recently thanks to studies showing their role in star formation. While the column density and velocity structures of b…
The JCMT Gould Belt Survey: A First Look at Dense Cores in Orion B
H. Kirk, J. Di Francesco, D. Johnstone +54
We present a first look at the SCUBA-2 observations of three sub-regions of the Orion B molecular cloud: LDN 1622, NGC 2023/2024, and NGC 2068/2071, from the JCMT Gould Belt Legacy…
The JCMT Gould Belt Survey: low-mass proto-planetary discs from a SCUBA-2 census of NGC1333
P. Dodds, J. Greaves, A. Scholz +3
NGC1333 is a 1-2 Myr old cluster of stars in the Perseus molecular cloud. We used 850mu data from the Gould Belt Survey with SCUBA-2 on the JCMT to measure or place limits on disc…
The JCMT Legacy Survey of the Gould Belt: mapping 13CO and C18O in Orion A
J. V. Buckle, C. J. Davis, J. Di Francesco +31
The Gould Belt Legacy Survey will map star-forming regions within 500 pc, using HARP (Heterodyne Array Receiver Programme), SCUBA-2 (Submillimetre Common-User Bolometer Array 2) an…
The Spatial Distribution of Star Formation in the Solar Neighbourhood: Do all stars form in clusters?
E. Bressert, N. Bastian, R. Gutermuth +12
We present a global study of low mass, young stellar object (YSO) surface densities in nearby (< 500 pc) star forming regions based on a comprehensive collection of Spitzer Space T…
The James Clerk Maxwell Telescope Legacy Survey of Nearby Star-forming Regions in the Gould Belt
D. Ward-Thompson, J. Di Francesco, J. Hatchell +59
This paper describes a James Clerk Maxwell Telescope (JCMT) legacy survey that has been awarded roughly 500 hrs of observing time to be carried out from 2007 to 2009. In this surve…
Expanding e-MERLIN with the Goonhilly Earth Station
I. Heywood, H-R. Kloeckner, R. Beswick +7
A consortium of universities has recently been formed with the goal of using the decommissioned telecommunications infrastructure at the Goonhilly Earth Station in Cornwall, UK, fo…
The JCMT Gould Belt Survey: SCUBA-2 observations of radiative feedback in NGC1333
J. Hatchell, T. Wilson, E. Drabek +5
We present observations of NGC1333 from SCUBA-2 on JCMT, observed as a JCMT Gould Belt Survey pilot project during the shared risk campaign when the first of four arrays was instal…
APECS - The Atacama Pathfinder Experiment Control System
D. Muders, H. Hafok, F. Wyrowski +7
APECS is the distributed control system of the new Atacama Pathfinder EXperiment (APEX) telescope located on the Llano de Chajnantor at an altitude of 5107 m in the Atacama desert…
The JCMT Gould Belt Survey: A First Look at the Auriga-California Molecular Cloud with SCUBA-2
H. Broekhoven-Fiene, B. C. Matthews, P. Harvey +57
We present 850 and 450 micron observations of the dense regions within the Auriga-California molecular cloud using SCUBA-2 as part of the JCMT Gould Belt Legacy Survey to identify…
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 nea…
The physical and dynamical structure of Serpens: Two very different sub-(proto)clusters
A. Duarte-Cabral, G. A. Fuller, N. Peretto +5
The Serpens North Cluster is a nearby low mass star forming region which is part of the Gould Belt. It contains a range of young stars thought to correspond to two different bursts…
The Herschel and JCMT Gould Belt Surveys: Constraining Dust Properties in the Perseus B1 Clump with PACS, SPIRE, and SCUBA-2
S. I. Sadavoy, J. Di Francesco, D. Johnstone +27
We present Herschel observations from the Herschel Gould Belt Survey and SCUBA-2 science verification observations from the JCMT Gould Belt Survey of the B1 clump in the Perseus mo…
CHIMPS: the CO/CO (J=3-2) Heterodyne Inner Milky Way Plane Survey
A. J. Rigby, T. J. T. Moore, R. Plume +17
We present the CO/CO (J=3-2) Heterodyne Inner Milky Way Plane Survey (CHIMPS) which has been carried out using the Heterodyne Array Receiver Program on the 15 m James…
Probing the initial conditions of high-mass star formation. II. Fragmentation, stability, and chemistry
T. Pillai, J. Kauffmann, F. Wyrowski +3
We present a new high-resolution study of pre-protocluster regions in tracers exclusively probing the coldest and dense gas (NH_2D). The data are used to constrain the chemical, th…
The JCMT Legacy Survey of the Gould Belt: a first look at Taurus with HARP
C. J. Davis, A. Chrysostomou, J. Hatchell +31
As part of a JCMT Legacy Survey of star formation in the Gould Belt, we present early science results for Taurus. CO J=3-2 maps have been secured along the north-west ridge and bow…
The JCMT Legacy Survey of the Gould Belt: a first look at Serpens with HARP
S. F. Graves, J. S. Richer, J. V. Buckle +32
The Gould Belt Legacy Survey (GBS) on the JCMT has observed a region of 260 square arcminutes in 12CO J=3--2 emission, and a 190 square arcminute subset of this in 13CO and C18O to…
Star formation in Perseus: III. Outflows
J. Hatchell, G. A. Fuller, J. S. Richer
We present a search for outflows towards 51 submillimetre cores in Perseus. With consistently derived outflow properties from a large homogeneous dataset within one molecular cloud…
A sub-mm imaging survey of ultracompact HII regions
M. A. Thompson, J. Hatchell, G. H. Macdonald +1
We present the preliminary results of a sub-mm imaging survey of ultracompact HII regions, conducted with the SCUBA bolometer array on JCMT.