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Observations of YSO Circumstellar Discs
D. Ward-Thompson, P. Andre, O. P. Lay
We present the results of short baseline interferometry observations at submillimetre wavelengths, using a two-element interferometer comprising the JCMT and CSO, of circumstellar…
The initial conditions of isolated star formation: IV - C18O observations and modelling of the pre-stellar core L1689B
N. E. Jessop, D. Ward-Thompson
We present C18O observations of the pre-stellar core L1689B, in the (J=3-2) and (J=2-1) rotational transitions, taken at the James Clerk Maxwell Telescope in Hawaii. We use a lambd…
Measurement of the magnetic field direction in the NGC2024-FIR5 protostellar outflow
J. S. Greaves, W. S. Holland, D. Ward-Thompson
Molecular outflows from young protostars are widely believed to be collimated by magnetic fields, but there has been little observational evidence to support this hypothesis. Using…
A deep submillimetre survey of the Galactic Centre
D. Pierce-Price, J. S. Richer, J. S. Greaves +13
We present first results from a submillimetre continuum survey of the Galactic Centre `Central Molecular Zone' (CMZ), made with SCUBA on the James Clerk Maxwell Telescope. SCUBA's…
An empirical model for protostellar collapse
A. P. Whitworth, D. Ward-Thompson
We propose a new analytic model for the initial conditions of protostellar collapse in relatively isolated regions of star formation. The model is non-magnetic, and is based on a P…
An ISOCAM Absorption Survey of the Structure of Pre-stellar Cloud Cores
Aurore Bacmann, Philippe Andre, Jean-Loup Puget +3
We present the results of a mid-infrared (7 micron) imaging survey of a sample of 24 starless dense cores carried out at an angular resolution of 6 arcsec with the ISOCAM camera ab…