| Autor: | S. I. Gandzha, S. N. Osipov, O. V. Andriyenko, R. I. Kostik, M. V. Karpov |
|---|---|
| Rok vydání: | 1997 |
| Předmět: |
Physics
Scanner medicine.diagnostic_test business.industry Astrophysics::Instrumentation and Methods for Astrophysics A* search algorithm Astronomy and Astrophysics Solar disk law.invention Optics Space and Planetary Science law Spectrophotometry Physics::Space Physics medicine Astrophysics::Solar and Stellar Astrophysics Astrophysics::Earth and Planetary Astrophysics business Spectrograph Astrophysics::Galaxy Astrophysics |
| Zdroj: | Solar Physics. 172:361-370 |
| ISSN: | 0038-0938 |
| DOI: | 10.1023/a:1004979717074 |
| Popis: | The primary shortcomings of existing methods for spectrophotometry of the Sun as a star are discussed. A new observational method is proposed. This method is based on a repeated scanning of the Sun's image while summing the signal of each step across the solar disk. A device for precise spectrophotometry of the Sun as a star has been developed around a double-pass spectrograph. This device and its operation algorithm are described. Errors caused by scanning irregularities and seeing are estimated. Several Sun-as-a-star spectrum line profiles and their bisectors are presented and compared with the same ones from the Kitt Peak FTS solar flux atlas. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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