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6 papers · 2 filters
A Failure of Serendipity: the Square Kilometre Array will struggle to eavesdrop on Human-like ETI
D. H. Forgan, R. C. Nichol
The Square Kilometre Array (SKA) will operate in frequency ranges often used by military radar and other communications technology. It has been shown that if Extraterrestrial Intel…
The Vega Debris Disc: A view from Herschel
B. Sibthorpe, B. Vandenbussche, J. S. Greaves +37
We present five band imaging of the Vega debris disc obtained using the Herschel Space Observatory. These data span a wavelength range of 70-500 um with full-width half-maximum ang…
A search for debris disks in the Herschel ATLAS
M. A. Thompson, D. J. B. Smith, J. A. Stevens +42
Aims: We aim to demonstrate that the Herschel ATLAS (H-ATLAS) is suitable for a blind and unbiased survey for debris disks by identifying candidate debris disks associated with mai…
Continuum and line modelling of discs around young stars. I. 300000 disc models for Herschel/GASPS
Peter Woitke, Christophe Pinte, Ian Tilling +5
We have combined the thermo-chemical disc code ProDiMo with the Monte Carlo radiative transfer code MCFOST to calculate a grid of ~300000 circumstellar disc models, systematically…
Rocky Planetesimals as the Origin of Metals in DZ Stars
J. Farihi, M. A. Barstow, S. Redfield +2
{Abridged}. An analysis of the calcium and hydrogen abundances, Galactic positions and kinematics of 146 DZ stars from the Sloan Digital Sky Survey demonstrates that interaction wi…
Numerical Testing of The Rare Earth Hypothesis using Monte Carlo Realisation Techniques
Duncan H. Forgan, Ken Rice
The Search for Extraterrestrial Intelligence (SETI) has thus far failed to provide a convincing detection of intelligent life. In the wake of this null signal, many "contact pessim…