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2009CoAst.159...48F - Com. in Asteroseismology, 159, 48 (2009/March-0)
Preliminary results of V440 Per and $α$ UMi observations with the poznan spectroscopic telescope.
FAGAS M., BARANOWSKI R., BARTCZAK P., BORCZYK W., DIMITROV W., KAMINSKI K., KWIATKOWSKI T., RATAJCZAK R., ROZEK A. and SCHWARZENBERG-CZERNY A.
Abstract (from CDS):
Presented herein are preliminary radial velocity results for two classical Cepheids: V440 Per and α∼UMi (Polaris). Both stars have been observed with the Poznan Spectroscopic Telescope (PST), operational since Aug 2007 at the Borowiec Station of Poznan Astronomical Observatory in Poland. Data obtained for V440 Per suggest the presence of a low-amplitude secondary mode of pulsations.
Result. of α∼UMi observations confirm further pulsation amplitude growth, as observed during the last decades.
Result. of α∼UMi observations confirm further pulsation amplitude growth, as observed during the last decades.
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Simbad objects: 2
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