RV Tau variables in globular clusters: Clues on their nature?

被引：6

作者：

Russell, SC ^{[1
]}

机构：

[1] Univ Adelaide, Dept Phys & Math Phys, Adelaide, SA 5005, Australia

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF AUSTRALIA | 1998年 / 15卷 / 02期

关键词：

stars; AGB and post-AGB; evolution; variables;

D O I：

10.1071/AS98189

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the detailed elemental abundances of RV Tau variables that reside in globular clusters, and how they compare with those of RV Tau variables in the field. Surprisingly, they seem to show definite differences, and at this stage, it is not clear why this is so.

引用

页码：189 / 193

页数：5

共 10 条

[1] THE CHEMICAL-COMPOSITION OF THE RV TAURI VARIABLE IW CARINAE [J].

GIRIDHAR, S ;

RAO, NK ;

LAMBERT, DL .

ASTROPHYSICAL JOURNAL, 1994, 437 (01) :476-484

[2] Abundance analyses of the field RV Tauri variables: EP Lyrae, DY Orionis, AR Puppis, and R Sagittae [J].

Gonzalez, G ;

Lambert, DL ;

Giridhar, S .

ASTROPHYSICAL JOURNAL, 1997, 479 (01) :427-440

[3] Abundance analyses of type II cepheids in globular clusters [J].

Gonzalez, G ;

Lambert, DL .

ASTRONOMICAL JOURNAL, 1997, 114 (01) :341-351

[4] Abundance analyses of field RV Tauri variables .3. DY Aquilae, SS Geminorum, CT Orionis, and CE Virginis [J].

Gonzalez, G ;

Lambert, DL ;

Giridhar, S .

ASTROPHYSICAL JOURNAL, 1997, 481 (01) :452-466

[5] STUDY OF THE UV-BRIGHT STARS IN OMEGA-CEN .2. ABUNDANCES AND EVIDENCE FOR EVOLUTIONARY MIXING [J].

GONZALEZ, G ;

WALLERSTEIN, G .

ASTRONOMICAL JOURNAL, 1994, 108 (04) :1325-1349

[6] RV-TAURI STARS AS POSTASYMPTOTIC GIANT BRANCH OBJECTS [J].

JURA, M .

ASTROPHYSICAL JOURNAL, 1986, 309 (02) :732-736

[7] SODIUM OXYGEN ABUNDANCE ANTICORRELATIONS AND DEEP-MIXING SCENARIOS FOR GLOBULAR-CLUSTER GIANTS [J].

LANGER, GE ;

HOFFMAN, R ;

SNEDEN, C .

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1993, 105 (685) :301-307

[8] S-PROCESS DEFICIENCIES IN LOW-MASS SUPERGIANT VARIABLES [J].

LUCK, RE ;

BOND, HE .

ASTROPHYSICAL JOURNAL, 1989, 342 (01) :476-488

[9]

MAYOR M, 1996, ORIGINS EVOLUTION DE, P190

[10]

Russell SC, 1997, ASTRON ASTROPHYS, V326, P1069

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