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Title: The Vega debris disc: A view from Herschel
Authors: Sibthorpe, B ×
Vandenbussche, Bart
Greaves, J S
Pantin, E
Olofsson, G
Acke, Bram
Barlow, M J
Blommaert, Joris
Bouwman, J
Brandeker, A
Cohen, M
De Meester, Wim
Dent, W R F
di Francesco, J
Dominik, C
Fridlund, M
Gear, W K
Glauser, A M
Gomez, H L
Hargrave, P C
Harvey, P M
Henning, Th
Heras, A M
Hogerheijde, M R
Holland, W S
Ivison, R J
Leeks, S J
Lim, T L
Liseau, R
Matthews, B C
Naylor, D A
Pilbratt, G L
Polehampton, E T
Regibo, Sara
Royer, Pierre
Sicilia-Aguilar, A
Swinyard, B M
Waelkens, Christoffel
Walker, H J
Wesson, R #
Issue Date: Jul-2010
Series Title: Astronomy and Astrophysics vol:518 pages:1-5
Article number: L130
Abstract: 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 mu m with full-width half-maximum angular resolutions of 5.6-36.9 ''. The disc is well resolved in all bands, with the ring structure visible at 70 and 160 mu m. Radial profiles of the disc surface brightness are produced, and a disc radius of 11 '' (similar to 85AU) is determined. The disc is seen to have a smooth structure thoughout the entire wavelength range, suggesting that the disc is in a steady state, rather than being an ephemeral structure caused by the recent collision of two large planetesimals.
ISSN: 0004-6361
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

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