Sat, 07/27/2013 - 13:30
A revised observation report of NRP´s of delta Sco (by C. Sawicki an E. Pollmann) is available:
http://www.astrospectroscopy.de/Non-radial_pulsation_of_delSco.pdf
Ernst Pollmann
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Active Spectroscopy in Astronomy
http://www.astrospectroscopy.dehttp://www.astronomie.de/astronomische-fachgebiete