62 citations · 193 across the 5 of their papers we have counts for
5 papers
The solar gravitational redshift from HARPS-LFC Moon spectra. A test of the General Theory of Relativity
J. I. González Hernández, R. Rebolo, L. Pasquini +15
The General Theory of Relativity predicts the redshift of spectral lines in the solar photosphere, as a consequence of the gravitational potential of the Sun. This effect can be me…
Convective blueshifts in the solar atmosphere: III. High-accuracy observations of spectral lines in the visible
Johannes Löhner-Böttcher, Wolfgang Schmidt, Rolf Schlichenmaier +2
Convective motions in the solar atmosphere cause spectral lines to become asymmetric and shifted in wavelength. For photospheric lines, this differential Doppler shift varies from…
Convective blueshifts in the solar atmosphere II. High-accuracy observations of the Fe i 6173.3Å line and deviations of full-disk Dopplergrams
Franziska Stief, Johannes Löhner-Böttcher, Wolfgang Schmidt +2
Granular convective motions reach into the lower solar atmosphere, typically causing photospheric spectral lines to exhibit a differential line shift. This Doppler shift to shorter…
Absolute velocity measurements in sunspot umbrae
J. Löhner-Böttcher, W. Schmidt, R. Schlichenmaier +3
In sunspot umbrae, convection is largely suppressed by the strong magnetic field. Previous measurements reported on negligible convective flows in umbral cores. Based on this, nume…
A Frequency Comb calibrated Solar Atlas
P. Molaro, M. Esposito, S. Monai +10
The solar spectrum is a primary reference for the study of physical processes in stars and their variation during activity cycles. In Nov 2010 an experiment with a prototype of a L…