Jul 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998dssn...12....9r&link_type=abstract
Delta Scuti Star Newsletter, Issue 12, p. 9
Physics
Scientific paper
20 CVn is a bright and luminous low amplitude Delta Sct type star with V=4.73, DeltaV=0.02, P=0.1217 d and spectral type F3III (Rodriguez et al. 1994). Since this star was reported as a variable type Delta Sct by Wehlau et al. (1966) and Danziger & Dickens (1966), it has been photometrically and spectroscopically observed by a number of authors. From these works it seems that the monoperiodic/multiperiodic behaviour and radial/nonradial nature of this star is subject of controversy. We have collected high quality simultaneous uvby photometric observations during January and March, 1995 using the 90 cm telescope at Sierra Nevada Observatory, Spain. In total, 831 measurements were obtained for each of the four uvby filters during eight nights.
Costa Víctor
de Coca Lopez P.
Garrido Rafa
Lopez-Gonzalez Maria José
Rodríguez Eduardo
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