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Authors: Usenko, I. A.
Berdnikov, L. N.
Kravtsov, V. V.
Kniazev, A. Yu.
Chini, R.
Hoffmeister, V. H.
Stahl, O.
Drass, H.
Citation: Odessa Astronomical Publications
Issue Date: Jul-2010
Publisher: Astroprint
Keywords: Stars: Cepheids; stars: individual: WW Car, SX Car, UZ Car, UY Car, GX Car, HW Car, YZ Car
Series/Report no.: ;vol. 23, p. 136-139.
Abstract: Spectroscopic investigations of seven southern CepheidsWWCar, SX Car, UZ Car, UY Car, GX Car, HW Car and YZ Car have been performed. It was founded out six objects have metallicities, close to solar one and their CNO-, odd elements and Mg content indicate that these objects are on the stage after the first dredge-up. CepheidWWCar is an unusual objects because it has noticeable overabundance of [C/H] = +0.3 dex, [N/H] = +0.95 dex, whereas sodium in deficient ([Na/H] = -0.46 dex), and magnesium content is the largest ([Mg/H] = -0.12 dex) in comparison with other objects from this list having close pulsation periods.
Description: Odessa Astronomical publications / Одесская астроном. обсерватория . – Одесса : Астропринт, 07/2010 . – Vol.23.
Appears in Collections:Odessa Astronomical Publications

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