Elemental abundance analyses with the EBASIM spectrograph of the 2.1-m CASLEO Observatory Telescope

Autor:	Saul J. Adelman, Olga Pintado
Rok vydání:	2003
Předmět:	Physics K-type main-sequence star Astronomy Astronomy and Astrophysics Astrophysics law.invention Telescope Stars T Tauri star Space and Planetary Science Abundance (ecology) law Observatory Equivalent width Spectrograph
Zdroj:	Astronomy & Astrophysics. 406:987-994
ISSN:	1432-0746 0004-6361
Popis:	We used data from the EBASIM spectrograph of the 2.1-m CASLEO telescope to study three rather sharp-lined late B to early A stars ξ Oct (B6 IV), α Sex (B9.5 III), and 68 Tau (A2 IV). These measurements are compared with those from the Anglo-Austrialian Telescope for the first star and to those from the coude spectrograph of the 1.22-m telescope of the Dominion Astrophysical Observatory (DAO) for the other two stars. The equivalent width scales of the EBASIM and the DAO data are similar. Thus for the latter two stars the DAO data is also used in the analyses. Both ξ Oct and α Sex generally have abundances close to those of the Sun in the range of values found for other normal stars with similar effective temperatures. The abundance pattern for 68 Tau is that of a metallic-lined star as is well known.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83f78f4482d34086dc9f95ce3599c971 https://doi.org/10.1051/0004-6361:20030813 Zobrazit plný text záznamu