Physics
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985soph...95..201h&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 95, Feb. 1985, p. 201-219.
Physics
18
Ground Stations, Solar Oscillations, Networks, Power Spectra, Solar Flares, Solar Velocity, Weather
Scientific paper
The performance of several hypothetical ground-based networks intended to provide continuous observations of solar oscillations for one year is estimated. These networks were composed of from 2 to 6 stations distributed both in longitude and between the northern and southern hemispheres. Weather patterns at each site were simulated using a 4-parameter climate model and the results analyzed to yield the duty cycle of the representative networks. The results indicate that a 2 station network might achieve a 60 percent annual mean duty cycle, 3 stations might provide 75 percent, 4 stations might yield 82 percent, and 6 stations might give a 93 percent annual mean duty cycle. Comparison of an existing 6 station network with the model of the same network suggests that the modelling procedure is realistic provided that the estimates of the climate parameters are accurate. To illustrate the influence of such networks on observations of solar oscillations, a synthetic time-line of solar velocities is created from published data and the power spectrum of the signal as observed by various networks is analyzed.
Hill F. F.
Newkirk Gordon Jr.
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