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Proceedings Paper

Temporal variability of the seeing of TMT sites
Author(s): T. Travouillon; S. G. Els; R. L. Riddle; M. Schöck; A. W. Skidmore; E. Bustos; J. Seguel; D. Walker; J. Vasquez; R. Blum; P. Gillett; B. Gregory
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Paper Abstract

Seeing stability is an important criterion of site characterization. Two sites, with the same seeing statistics, could in principle differ in their temporal stability and hence have their observatories perform differently. Temporal variability can, however, be defined in several ways, all of which may determine the performance of the observatories in different manner. In this paper, we propose three methods to measure variability each focusing on different applications: Selection (maximization of observation time), Image quality (seeing variation within a given integration time) and finally Scheduling (prediction of seeing fluctuation on a given time scale). We apply these methods to the seeing of the TMT candidate sites to determine their stability properties.

Paper Details

Date Published: 10 July 2008
PDF: 6 pages
Proc. SPIE 7012, Ground-based and Airborne Telescopes II, 701220 (10 July 2008); doi: 10.1117/12.787136
Show Author Affiliations
T. Travouillon, TMT Observatory Corp. (United States)
S. G. Els, Cerro Tololo Inter-American Observatory (Chile)
R. L. Riddle, TMT Observatory Corp. (United States)
M. Schöck, TMT Observatory Corp. (United States)
A. W. Skidmore, TMT Observatory Corp. (United States)
E. Bustos, Cerro Tololo Inter-American Observatory (Chile)
J. Seguel, Cerro Tololo Inter-American Observatory (Chile)
D. Walker, Cerro Tololo Inter-American Observatory (Chile)
J. Vasquez, Cerro Tololo Inter-American Observatory (Chile)
R. Blum, Cerro Tololo Inter-American Observatory (Chile)
P. Gillett, Cerro Tololo Inter-American Observatory (Chile)
B. Gregory, Cerro Tololo Inter-American Observatory (Chile)


Published in SPIE Proceedings Vol. 7012:
Ground-based and Airborne Telescopes II
Larry M. Stepp; Roberto Gilmozzi, Editor(s)

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