Stellar scintillations according to observations on board the 'Salyut-7' orbital station

Details Stellar scintillations according to observations on board the 'Salyut-7' orbital station Stellar scintillations according to observations on board the 'Salyut-7' orbital station

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985fizao..21.1235g&link_type=abstract

Akademiia Nauk SSSR, Izvestiia, Fizika Atmosfery i Okeana (ISSN 0002-3515), vol. 21, Dec. 1985, p. 1235-1241. In Russian.

Astronomy and Astrophysics

Astronomy

2

Astronomical Photometry, Salyut Space Station, Scintillation, Spaceborne Astronomy, Stellar Radiation, Atmospheric Stratification, Brightness Distribution, Light Curve, Root-Mean-Square Errors

Scientific paper

Measurements of the rms brightness of stars have been carried out on board the 'Salyut-7' orbital station using the EFO-1 photometer system. The technical characteristics of the EFO-1 photometer are described, and some examples of the brightness recordings for the bright stars, Vega, Arctur, Deneb, are given. It is shown that brightness scintillations can occur anywhere and are probably caused by layered inhomogeneities in the atmospheric temperature profile at altitudes of 20-40 km. The rms temperature variation for a atmospheric layer 100 m thick was estimated in the range 0.2-0.4 K.

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