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Title:
Radial velocity observations of the sun at night
Authors:
McMillan, R. S.; Moore, T. L.; Perry, M. L.; Smith, P. H.
Affiliation:
AA(Arizona Univ., Tucson, AZ), AB(Arizona Univ., Tucson, AZ), AC(Arizona Univ., Tucson, AZ), AD(Arizona Univ., Tucson, AZ)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 403, no. 2, p. 801-809. (ApJ Homepage)
Publication Date:
02/1993
Category:
Solar Physics
Origin:
STI
NASA/STI Keywords:
Radial Velocity, Solar Rotation, Solar System, Absorption Spectra, Charge Coupled Devices, Doppler Effect, Limb Darkening, Power Spectra, Solar Spectra
DOI:
10.1086/172251
Bibliographic Code:
1993ApJ...403..801M

Abstract

The ability to detect planets orbiting stars has been evaluated through solar-spectrum Doppler shift measurements for 5 years, using the sunlit surface of the moon to furnish nighttime access to the solar spectrum integrated over the solar disk as though the sun were being observed at stellar distance. These lunar observations have indicated that the Doppler shift of the integrated solar photosphere disk in violet absorption lines has varied less that +/- 4 m/sec over the 1987-1992 interval studied.

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Database: Astronomy
Physics
arXiv e-prints