Simultaneous Measurements of the Fried Parameter r_0 and the Isoplanatic Angle theta_0 using SCIDAR and Adaptive Optics - First Results

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dc.creatorWeiss, A. R.
dc.creatorHippler, S.
dc.creatorKasper, M. E.
dc.creatorWooder, N. J.
dc.creatorQuartel, J. C.
dc.date2001-01-26
dc.date.accessioned2026-07-07T01:57:31Z
dc.date.available2026-07-07T01:57:31Z
dc.descriptionWe present first results of a simultaneous atmospheric turbulence measurement campaign at the Calar Alto (Spain) 1.23m and 3.5m telescopes. A SCIDAR instrument and the Calar Alto Adaptive Optics system ALFA were used at the 1.23m and 3.5m telescopes respectively to determine essential turbulence parameters like the Fried parameter r_0, the isoplanatic angle theta_0, and, in the case of SCIDAR, the C_n^2 profile of the atmosphere. Both closed-loop and open-loop data were obtained with ALFA. The desired parameters were then calculated from this. This paper shows a comparison of the results obtained from the two different systems for several times during a period of three nights.
dc.description10 pages, 6 figures, Marrakech Site 2000 conference proceedings
dc.identifierhttps://arxiv.org/abs/astro-ph/0101474
dc.identifierhttp://arxiv.org/abs/astro-ph/0101474
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/2418
dc.subjectAstrophysics
dc.titleSimultaneous Measurements of the Fried Parameter r_0 and the Isoplanatic Angle theta_0 using SCIDAR and Adaptive Optics - First Results
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