I. A. Usenko, L. N. Berdnikov, V. V. Kravtsov, A. Yu. Knyazev, R. Chini, V. H. Hoffmeister, O. Stahl, H. Drass


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

Ключові слова

Stars, Cepheids, individual, WW Car, SX Car, UZ Car, UY Car, GX Car, HW Car, YZ Car.

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Evans N.R., Butler, J.: 1993,PASP, 105, 915

Galazutdinov G.A.: 1992,Preprint SAO RAS, 92

Kovtyukh V.V., Andrievsky S.M.: 1999,A&A, 351, 597

Kovtyukh V.V., Gorlova N.I: 2000,A&A, 358, 587

Kurucz R.: 1992,In: The Stellar Populations of Galaxies, (eds) B. Barbuy and A. Renzini, IAU Symp., 149, 225

Petterson, O.K.L., Cottrell, P.L. & Albrow, M.D.: 2004,MNRAS, 350,95

Petterson O.K.L., Cottrell P.L., Albrow M.D. Fokin, A.B.: 2004,MNRAS, 362, 1167

Turner D.G.: 1996,JRASC, 90,82

Turner D.G. Forbes D., Leonard P.J.T., Abdel-Latif, M.A., Majaess D.J., Berdnikov L.N.: 2005,AJ, 130, 1194

Yushkin M.V., Klochkova V.G.: 2005, Prepint SAO RAS, 206

DOI: https://doi.org/10.18524/1810-4215.2010.23.85253


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