The Vega debris disc: A view from Herschel
Journal article, 2010
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.
dust
stars
images
evolution
observational
stars: individual: Vega
methods:
mission
instrumentation: photometers
spitzer
Author
B. Sibthorpe
Royal Observatory
B. Vandenbussche
KU Leuven
J. S. Greaves
University of St Andrews
E. Pantin
Centre national de la recherche scientifique (CNRS)
G. Olofsson
Stockholm University
B. Acke
KU Leuven
M. J. Barlow
University College London (UCL)
Jadl Blommaert
KU Leuven
J. Bouwman
Max Planck Society
A. Brandeker
Stockholm University
M. Cohen
University of California
W. De Meester
KU Leuven
W. R. F. Dent
Atacama Large Millimeter-submillimeter Array (ALMA)
J. Di Francesco
National Research Council Canada
C. Dominik
Radboud University
Anton Pannekoek Institute for Astronomy
M. Fridlund
European Space Agency (ESA)
W. K. Gear
Cardiff University
A. M. Glauser
Royal Observatory
Swiss Federal Institute of Technology in Zürich (ETH)
H. L. Gomez
Cardiff University
P. C. Hargrave
Cardiff University
P. M. Harvey
The University of Texas at Austin
University of Colorado
T. Henning
Max Planck Society
A. Heras
European Space Agency (ESA)
M. R. Hogerheijde
Leiden University
W. S. Holland
Royal Observatory
R. J. Ivison
Royal Observatory
University of Edinburgh
S. J. Leeks
STFC Rutherford Appleton Laboratory
T. L. Lim
STFC Rutherford Appleton Laboratory
René Liseau
Chalmers, Earth and Space Sciences, Radio Astronomy and Astrophysics
B. C. Matthews
National Research Council Canada
D. A. Naylor
University of Lethbridge
G.L. Pilbratt
European Space Agency (ESA)
E. T. Polehampton
STFC Rutherford Appleton Laboratory
University of Lethbridge
S. Regibo
KU Leuven
P. Royer
KU Leuven
A. Sicilia-Aguilar
Max Planck Society
B. M. Swinyard
STFC Rutherford Appleton Laboratory
C. Waelkens
KU Leuven
H. Walker
STFC Rutherford Appleton Laboratory
R. Wesson
University College London (UCL)
Astronomy and Astrophysics
0004-6361 (ISSN) 1432-0746 (eISSN)
Vol. 518 Article Number: L130 L130Subject Categories (SSIF 2011)
Astronomy, Astrophysics and Cosmology
DOI
10.1051/0004-6361/201014574