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On the calibration ...
On the calibration of full-polarization 86GHz global VLBI observations
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- Marti-Vidal, Ivan, 1980 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Krichbaum, T. P. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Marscher, A. (author)
- Boston University
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- Alef, W. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Bertarini, A. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Universität Bonn,University of Bonn
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- Bach, U. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Schinzel, F. K. (author)
- University of New Mexico,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Rottmann, H. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Anderson, J. M. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Zensus, A.J. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Bremer, M. (author)
- Institut de Radioastronomie Millimétrique (IRAM)
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- Sanchez, S. (author)
- Institut de Radioastronomie Millimétrique (IRAM)
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- Lindqvist, Michael, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Mujunen, Ari (author)
- Aalto-Yliopisto,Aalto University
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Chalmers tekniska högskola Max Planck Gesellschaft zur Förderung der Wissenschaften eV. (MPG) (creator_code:org_t)
- 2012-06-14
- 2012
- English.
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In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 542, s. A107-
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Abstract
Subject headings
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- We report the development of a semi-automatic pipeline for the calibration of 86GHz full-polarization observations performed with the Global Millimeter-VLBI array (GMVA) and describe the calibration strategy followed in the data reduction. Our calibration pipeline involves non-standard procedures, since VLBI polarimetry at frequencies above 43GHz has not yet been well established. We also present, for the first time, a full-polarization global-VLBI image at 86GHz (source 3C 345), as an example of the final product of our calibration pipeline, and discuss the effect of instrumental limitations on the fidelity of the polarization images. Our calibration strategy is not exclusive to the GMVA, and could be applied to other VLBI arrays at millimeter wavelengths. The use of this pipeline will allow GMVA observers to obtain fully calibrated datasets shortly after the data correlation.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- jet
- quasars
- radio continuum: general
- 3c-279
- polarimetry
- techniques: interferometric
- instrumentation: interferometers
- wavelength
- black-hole
- generation
- 86 ghz
Publication and Content Type
- art (subject category)
- ref (subject category)
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To the university's database
- By the author/editor
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Marti-Vidal, Iva ...
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Krichbaum, T. P.
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Marscher, A.
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Alef, W.
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Bertarini, A.
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Bach, U.
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show more...
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Schinzel, F. K.
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Rottmann, H.
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Anderson, J. M.
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Zensus, A.J.
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Bremer, M.
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Sanchez, S.
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Lindqvist, Micha ...
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Mujunen, Ari
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Astronomy and As ...
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Chalmers University of Technology