Type II Cepheids: evidence for Na–O anticorrelation for BL Her type stars?

Autor: Sergei M. Andrievsky, I. Yegorova, Ivo Saviane, S. A. Korotin, V. V. Kovtyukh, Bertrand Lemasle, F. A. Chekhonadskikh, S. I. Belik

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2018, 477 (2), pp.2276-2285. ⟨10.1093/mnras/sty671⟩

Indexación: Scopus. We are grateful to George Wallerstein for valuable discussions and comments and for kindly provided spectra from APO. The authors thank the anonymous referee for her/his very valuable comments that significantly improved the pape

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed0d7fe8c16a22b3b48e841379b0bf93
https://hal.archives-ouvertes.fr/hal-02293170/document

Projection factor and radii of Type II Cepheids

Autor: Wielgórski, Piotr, Pietrzyński, Grzegorz, Gieren, Wolfgang, Zgirski, Bartłomiej, Górski, Marek, Storm, Jesper, Nardetto, Nicolas, Kervella, Pierre, Bras, Garance, Hajdu, Gergely, Hocdé, Vincent, Pilecki, Bogumił, Narloch, Weronika, Karczmarek, Paulina, Pych, Wojciech, Chini, Rolf, Hodapp, Klaus

Type II Cepheids are old pulsating stars that can be used to trace the distribution of an old stellar population and to measure distances to globular clusters and galaxies within several megaparsecs. One method that can be used to measure the distanc

Externí odkaz: http://arxiv.org/abs/2406.16561

Diversity of dynamical phenomena in type II Cepheids of the OGLE collection.

Autor: Smolec, R, Moskalik, P, Plachy, E, Soszyński, I, Udalski, A

Publikováno v: Monthly Notices of the Royal Astronomical Society; Dec2018, Vol. 481 Issue 3, p3724-3749, 26p

Old-Aged Primary Distance Indicators.

Autor: Beaton, Rachael L.^1,2 rbeaton@princeton.edu, Bono, Giuseppe^3,4, Braga, Vittorio Francesco^3,5, Dall'Ora, Massimo⁶, Fiorentino, Giuliana⁷, Jang, In Sung⁸, Martínez-Vázquez, Clara E.⁹, Matsunaga, Noriyuki¹⁰, Monelli, Matteo^11,12, Neeley, Jillian R.¹³, Salaris, Maurizio¹⁴

Publikováno v: Space Science Reviews. Dec2018, Vol. 214 Issue 8, p1-1. 1p.

Type II Cepheids Pulsating in the First Overtone from the OGLE Survey.

Autor: I. Soszyński, R. Smolec, A. Udalski, P. Pietrukowicz

Publikováno v: Astrophysical Journal; 3/1/2019, Vol. 873 Issue 1, p1-1, 1p