Search Publications

New variable and multiple stars in the lower part of the Cepheid instability strip

Lampens, P.; Fremat, Y.; van Cauteren, P. +1 more

We obtained high-resolution spectra for 33 A-type stars during 4 consecutive nights. All our targets are Hipparcos program stars located in the lower part of the Cepheid instability strip which show hints for variability in radial velocity of a yet unidentified nature. CCD photometry was acquired for some of the most promising candidates and used …