Imprints of fast-rotating massive stars in the Galactic Bulge

Nature

Volumn 472, Issue 7344, 2011, Pages 454-457

  Chiappini, Cristina ^a,b,c   Frischknecht, Urs ^d,e   Meynet, Georges ^b   Hirschi, Raphael ^e,f   Barbuy, Beatriz ^g   Pignatari, Marco ^d   Decressin, Thibaut ^b   Maeder, André ^b  

^a ASTROPHYSIKALISCHES INSTITUT POTSDAM   (Germany)

^b UNIVERSITÉ DE GENÈVE   (Switzerland)

^c INAF OSSERVATORIO ASTRONOMICO DI TRIESTE   (Italy)

^d UNIVERSITY OF BASEL   (Switzerland)

^e KEELE UNIVERSITY   (United Kingdom)

^f UNIVERSITY OF TOKYO   (Japan)

^g UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

CARBON; IRON; METAL; NITROGEN; STRONTIUM; YTTRIUM;

CARBON; EXTRATERRESTRIAL MATTER; HELIUM; IRON; PLANETARY ATMOSPHERE; PLANETARY LANDFORM; PLANETARY SURFACE; ROTATION;

ARTICLE; ASTRONOMY; CHEMICAL COMPOSITION; COSMOS; GAMMA RADIATION; HYDRODYNAMICS; LUMINANCE; PRIORITY JOURNAL; TEMPERATURE MEASUREMENT; ULTRAVIOLET RADIATION;

EID: 79955534263     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature10000     Document Type: Article

References (21)

1. Bromm, V., Yoshida, N., Hernquist, L. & McKee, C. The formation of the first stars and galaxies. Nature 459, 49-54 (2009).
2. Truran, J. W. A new interpretation of the heavy element abundances in metaldeficient stars. Astron. Astrophys. 97, 391-393 (1981).
3. Cowan, J. J. & Sneden, C. Heavy element synthesis in the oldest stars and the early Universe. Nature 440, 1151-1156 (2006).
4. Barbuy, B. et al. VLT-FLAMES analysis of eight giants in the bulge metal-poor globular cluster NGC6522: oldest cluster in the Galaxy? Astron. Astrophys. 507, 405-415 (2009).
5. Sneden, C., Cowan, J. J.& Gallino, R. Neutron-capture elements in the early Galaxy. Annu. Rev. Astron. Astrophys. 46, 241-288 (2008).
6. Pignatari, M. et al. The s-process in massive stars at low metallicity: the effect of primary 14N from fast rotating stars. Astrophys. J. 687, L95-L98 (2008).
7. Frebel, A. Stellar archaeology: exploring the Universe withmetal-poor stars. Astron. Nachr. 331, 474-488 (2010).
8. Beers, T. C. & Christlieb, N. The discovery and analysis of very metal-poor stars in the Galaxy. Annu. Rev. Astron. Astrophys. 43, 531-580 (2005). (Pubitemid 41454492)
9. Martayan, C. et al. Be stars and binaries in the field of the SMC open cluster NGC 330 with VLT-FLAMES. Astron. Astrophys. 472, 577-586 (2007). (Pubitemid 47402491)
10. Hirschi, R. Very low-metallicity massive stars: pre-SN evolution and primary nitrogen production. Astron. Astrophys. 461, 571-583 (2007). (Pubitemid 46129759)
11. Ekström, S., Meynet, G., Chiappini, C., Hirschi, R. & Maeder, A. Effects of rotation on the evolution of primordial stars. Astron. Astrophys. 489, 685-698 (2008).
12. Meynet, G., Ekström, S. & Maeder, A. The early star generations: the dominant effect of rotation on CNO yields. Astron. Astrophys. 447, 623-639 (2006). (Pubitemid 43282355)
13. Frischknecht, U., Hirschi, R., Meynet, G., Ekstroem, S., Georgy, C., Rauscher, T., Winteler, C. & Thielemann, F.-K. Constraints on rotational mixing from surface evolution of light elements in massive stars. Astron. Astrophys. 522, A39 (2010).
14. Bisterzo, S. et al. s-process in low metallicity stars -I. Theoretical predictions. Mon. Not. R. Astron. Soc. 404, 1529-1544 (2010).
15. Karakas, A. I. Updated stellar yields from asymptotic giant branch models. Mon. Not. R. Astron. Soc. 403, 1413-1425 (2010).
16. Qian, Y.-Z. & Wasserburg, G. J. Abundances of Sr, Y and Zr in metal-poor stars and implications for chemical evolution in the early Galaxy. Astrophys. J. 687, 272-286 (2008).
17. Farouqi, K. et al. Nucleosynthesis modes in the high-entropy wind of type II supernovae: comparison of calculations with halo-stars observations. Astrophys. J. 694, L49-L53 (2009).
18. Travaglio, C. et al. Galactic evolution of Sr, Y, and Zr: a multiplicity of nucleosynthetic processes. Astrophys. J. 601, 864-884 (2004). (Pubitemid 38422838)
19. Chiappini, C. et al. A strong case for fast stellar rotation at very low metallicities. Astron. Astrophys. 449, L27-L30 (2006).
20. Chiappini, C. et al. A new imprint of fast rotators: low 12C/13C ratios in extremely metal-poor halo stars. Astron. Astrophys. 479, L9-L12 (2008). (Pubitemid 351207427)
21. Stacy, A., Bromm, V. & Loeb, A. Rotation seed of the first stars. Mon. Not. R. Astron. Soc. (in the press).