The Vega debris disc: A view from Herschel
Artikel i vetenskaplig tidskrift, 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.
stars: individual: Vega
evolution
dust
mission
methods:
images
observational
spitzer
stars
instrumentation: photometers
Författare
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
Stockholms universitet
B. Acke
KU Leuven
M. J. Barlow
University College London (UCL)
Jadl Blommaert
KU Leuven
J. Bouwman
Max-Planck-Gesellschaft
A. Brandeker
Stockholms universitet
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
Anton Pannekoek Institute for Astronomy
Radboud Universiteit
M. Fridlund
Europeiska rymdorganisationen (ESA)
W. K. Gear
Cardiff University
A. M. Glauser
Eidgenössische Technische Hochschule Zürich (ETH)
Royal Observatory
H. L. Gomez
Cardiff University
P. C. Hargrave
Cardiff University
P. M. Harvey
University of Colorado at Boulder
The University of Texas at Austin
T. Henning
Max-Planck-Gesellschaft
A. Heras
Europeiska rymdorganisationen (ESA)
M. R. Hogerheijde
Universiteit Leiden
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, Rymd- och geovetenskap, Radioastronomi och astrofysik
B. C. Matthews
National Research Council Canada
D. A. Naylor
University of Lethbridge
G.L. Pilbratt
Europeiska rymdorganisationen (ESA)
E. T. Polehampton
University of Lethbridge
STFC Rutherford Appleton Laboratory
S. Regibo
KU Leuven
P. Royer
KU Leuven
A. Sicilia-Aguilar
Max-Planck-Gesellschaft
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 L130Ämneskategorier (SSIF 2011)
Astronomi, astrofysik och kosmologi
DOI
10.1051/0004-6361/201014574