Hansjörg Roth

Virgo: Experiment for Helioseismology and Solar Irradiance Monitoring

Richard C. Willson, Christoph Wehrli, J. M. Herreros, 1995 .

Solar irradiance observations with PREMOS filter radiometers on the PICARD mission: In-flight performance and data release

Nigel P. Fox, Mustapha Meftah, Christoph Wehrli, 2016 .

The PREMOS/PICARD instrument calibration

Nigel P. Fox, Rainer Winkler, Mustapha Meftah, 2009 .

In-Flight Performance of the Virgo Solar Irradiance Instruments on Soho

Steven Dewitte, Christoph Wehrli, Claus Fröhlich, 1997 .

LYRA, a solar UV radiometer on Proba2

Jean-François Hochedez, Jean-Marc Defise, Yvan Stockman, 2006 .

FIRST RESULTS FROM VIRGO, THE EXPERIMENT FOR HELIOSEISMOLOGY AND SOLAR IRRADIANCE MONITORING ON SOHO

Judit M. Pap, Udo Telljohann, D. Crommelynck, 1997 .

VIRGO: Experiment for helioseismology and solar irradiance monitoring

Richard C. Willson, Christoph Wehrli, Todd Hoeksema, 1995 .