Simultaneous intensive photometry and high resolution spectroscopy of delta Scuti stars IV. An improved picture of the pulsational behaviour of X Caeli

Luciano Mantegazza, Filippo M. Zerbi, Alberto Sacchi

The delta Scuti star X Caeli has been the target of a simultaneous photometric (14 consecutive nights) and spectroscopic campaign (8 consecutive nigths). From the analysis of light…