Issue |
A&A
Volume 369, Number 1, April I 2001
|
|
---|---|---|
Page(s) | 364 - 372 | |
Section | Numerical methods and codes | |
DOI | https://doi.org/10.1051/0004-6361:20010134 | |
Published online | 15 April 2001 |
Atmospheric turbulence and wind profiles monitoring with generalized scidar
1
Instituto de Astronomía UNAM, Apdo. Postal 72-3 (Xangari), 58089 Morelia Mich., México
2
UMR 6525 Astrophysique, Université de Nice Sophia Antipolis/CNRS, Parc Valrose, 06108 Nice Cedex 2, France e-mail: Jean.VERNIN@unice.fr
3
Instituto de Astronomía UNAM, Apdo. Postal 70-264, 04510 México D.F., México e-mail: leonardo@astroscu.unam.mx
Corresponding author: R. Avila, r.avila@astrosmo.unam.mx
Received:
28
August
2000
Accepted:
12
December
2000
We present a method for simultaneous measurement of the vertical distribution
of the optical turbulence strength and wind velocity
in the Earth's atmosphere, based on an analysis of
spatio-temporal correlations
of stellar scintillation images obtained with generalized scidar.
A statistical comparison of
obtained with this method and
instrumented balloons supports the use of this
method. The algorithm used allows for the identification of dome seeing,
which can be subtracted from
, to obtain a turbulence
profile free of dome contribution. Examples of simultaneous
and
monitorings are presented.
Key words: atmospheric effects / turbulence / site testing / methods: data analysis / instrumentation: adaptive optics
© ESO, 2001
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