Hostname: page-component-78c5997874-94fs2 Total loading time: 0 Render date: 2024-11-17T20:08:38.131Z Has data issue: false hasContentIssue false
  • English
  • Français

The Stellar Population of the Galactic Bulge

Published online by Cambridge University Press:  09 March 2010

M. Zoccali
M. Zoccali*
Affiliation:
Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile email: [email protected]
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The Galactic bulge is the central spheroid of our Galaxy, containing about one quarter of the total stellar mass of the Milky Way (Mbulge = 1.8 × 1010M⊙; Sofue, Honma & Omodaka 2009). Being older than the disk, it is the first massive component of the Galaxy to have collapsed into stars. Understanding its structure, and the properties of its stellar population, is therefore of great relevance for galaxy formation models. I will review our current knowledge of the bulge properties, with special emphasis on chemical abundances, recently measured for several hundred stars.

Keywords

Galaxy: bulgeabundancesstellar contentformation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S265: Chemical Abundances in the Universe: Connecting First Stars to Planets , August 2009 , pp. 271 - 278
Copyright
Copyright © International Astronomical Union 2010

References

Alard, C. 2001, A&A, 379, L44Google Scholar
Alcock, C. et al. , 2001, ApJ, 562, 337Google Scholar
An, D. et al. 2009, ApJ, 702, L128Google Scholar
Athanassoula, E. 2005, MNRAS, 358, 1477CrossRefGoogle Scholar
Athanassoula, E. & Misiriotis, A. 2002, MNRAS, 330, 35Google Scholar
Babusiaux, C. & Gilmore, G. 2005 MNRAS, 358, 1309Google Scholar
Babusiaux, C. et al. 2009, A&A, in preparationGoogle Scholar
Binney, J. 1978, MNRAS, 183, 501Google Scholar
Ballero, S. K., Matteucci, F., Origlia, L., & Rich, R.M. 2007, A&A, 467, 123Google Scholar
Bensby, T., Feltzing, S. & Lundström, I. 2004, A&A, 421, 155Google Scholar
Bensby, T., Johnson, J. A., Cohen, J. G., et al. 2009a, A&A, 499, 737Google Scholar
Bensby, T., Feltzing, S., Johnson, J. A. et al. 2009b, ApJL, 69, L174Google Scholar
Brown, T. M. et al. 2009, AJ, 137, 3172Google Scholar
Cescutti, G., Matteucci, F., McWilliam, A., & Chiappini, C. 2009, A&A, 505, 605Google Scholar
Clarkson, W. et al. 2008, ApJ, 684, 1110Google Scholar
Clarkson, W. et al. 2009, ApJ, submittedGoogle Scholar
Cohen, J. G., Huang, W., Udalski, A., Gould, A., & Johnson, J. A. 2008, ApJ, 682, 1029CrossRefGoogle Scholar
Cohen, J. G., Thompson, I. B., Sumi, T. et al. 2009, ApJ, 699, 66Google Scholar
Combes, F., Debbasch, F., Friedli, D., & Pfenniger, D. 1990, A&A, 233, 82Google Scholar
Combes, F. & Sanders, R. H. 1981, A&A, 96, 164Google Scholar
Cunha, K. & Smith, V. V., 2006, ApJ, 651, 491Google Scholar
Cunha, K. et al. , 2007, ApJ, 669, 1011CrossRefGoogle Scholar
Davies, B. et al. 2009, ApJ, 694, 46Google Scholar
Debattista, V. P., Carollo, C. M., Mayer, L., & Moore, B. 2004 ApJL, 603, L25Google Scholar
Dwek, E. et al. 1995, ApJ, 445, 716Google Scholar
Feltzing, S. & Gilmore, G. 2000 A&A, 355, 949Google Scholar
Fulbright, J. P., McWilliam, A., & Rich, R. M. 2006, ApJ, 636, 821CrossRefGoogle Scholar
Fulbright, J. P., McWilliam, A., & Rich, R. M. 2007, ApJ, 661, 1152Google Scholar
Fux, R. 1997, A&A, 327, 983Google Scholar
Fux, R. 1999, A&A, 345, 787Google Scholar
Hill, V. et al. 2009, A&A, in preparationGoogle Scholar
Howard, C. D. et al. 2009, ApJL, 702, L153Google Scholar
Immeli, A., Samland, M., Gerhard, O., & Westera, P. 2004, A&A, 413, 547Google Scholar
Johnson, J. A., Gal-Yam, A., Leonard, D. C. et al. 2007, ApJ, 655, L33Google Scholar
Johnson, J. A., Gaudi, B. S., Sumi, T., Bond, I. A., & Gould, A. 2008, ApJ, 685, 508Google Scholar
Kormendy, J. & Kennicutt, R. C. Jr. 2004, ARA&A, 42, 603Google Scholar
Kuijken, K. & Rich, R. M. 2002, AJ, 124, 2054Google Scholar
Lecureur, A. et al. 2007, A&A, 465, 799Google Scholar
McWilliam, A. & Rich, R. M. 1994, ApJ, 91, 749Google Scholar
McWilliam, A. et al. 2008, AJ, 136, 367Google Scholar
McWilliam, A. & Zoccali, M. 2009, ApJL, in preparationGoogle Scholar
Meléndez, J., et al. 2008, A&A, 484, L21Google Scholar
Minniti, D. et al. 1995 MNRAS, 277, 1293Google Scholar
Minniti, D. & Zoccali, M. 2007, in Bureau, M., Athanassoula, L. & Barbuy, B. (eds.), Formation and Evolution of Galaxy Bulges, Proc. IAU Symposium No. 245 (Cambridge Univ. Press), p.1Google Scholar
Minniti, D. et al. 2009, Rev. Mexicana AyA, 35, 263Google Scholar
Najarro, F., Figer, D. F., Hillier, D. J., Geballe, T. R., & Kudritzki, R. P. 2009, ApJ, 691, 1816Google Scholar
Nishiyama, S. et al. 2005, ApJ, 621, 105Google Scholar
Ortolani, S. et al. 1995, Nature, 377, 701Google Scholar
Peletier, R. et al. 2007, MNRAS, 379, 445Google Scholar
Ramírez, S. V., Stephens, A. W., Frogel, J. A., & DePoy, D. L. 2000, AJ, 120, 833Google Scholar
Rangwala, N. & Williams, T. B. 2009, ApJ, 702, 414Google Scholar
Rattenbury, N. J., Mao, S., Sumi, T., & Smith, M. C. 2007a, MNRAS, 378, 1064CrossRefGoogle Scholar
Rattenbury, N. J. et al. 2007b, MNRAS, 378, 1165Google Scholar
Reddy, B. E., Lambert, D. L., & Allende Prieto, C. 2006, MNRAS, 367, 1329CrossRefGoogle Scholar
Rich, R. M. 1988, AJ, 95, 828Google Scholar
Rich, R. M. & Origlia, L. 2005, ApJ, 634, 1293Google Scholar
Rich, R. M., Origlia, L., & Valenti, E. 2007a, ApJ, 665, L119Google Scholar
Rich, R. M., Reitzel, D. B., Howard, C. D., & Zhao, H. 2007b, ApJL, 658, L29Google Scholar
Robin, A.C., Reylé, C., Derrière S., & Picaud, S. 2003, A&A, 409, 523Google Scholar
Ryde, N. et al. 2009, A&A, in press (astro-ph/0910.0448)CrossRefGoogle Scholar
Sadler, E. M., Rich, R. M., & Terndrup, D. M. 1996, AJ, 112, 171CrossRefGoogle Scholar
Sofue, Y., Honma, M., & Omodaka, T. 2009, PASJ, 61, 227Google Scholar
Soto, M., Rich, R. M., & Kuijken, K. 2007, ApJL, 665, L31Google Scholar
Spaenhauer, A., Jones, B. F., & Whitford, A. E. 1992, AJ, 103, 297Google Scholar
Sumi, T. et al. 2004, MNRAS, 348, 1439Google Scholar
Valenti, E. et al. 2010 2010, A&A, in preparationGoogle Scholar
Vieira, K. et al. 2007, AJ, 134, 1432Google Scholar
Zhao, H., Rich, R. M., & Spergel, D. N. 1996, MNRAS, 282, 175Google Scholar
Zoccali, M. et al. 2001, AJ, 121, 2638Google Scholar
Zoccali, M. et al. 2003, A&A, 399, 931Google Scholar
Zoccali, M. et al. 2006, A&A, 457, L1Google Scholar
Zoccali, M. et al. 2008, A&A, 486, 177Google Scholar