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Astron. Astrophys. 322, 835-840 (1997) AcknowledgementsWe thank S. Keil of the U.S. National Solar Observatory (SPO) for making his data available to us, and to W.C. Livingston and O.R. White for the KPNO solar data, and to Tim Henry for his diligence and care in reducing the solar spectra. A.H. wishes to thank Tilo Jankowsky and Manfred Schultz (AIP) for his care in computer programming. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1997 Online publication: June 5, 1998 ![]() |