Hostname: page-component-8448b6f56d-sxzjt Total loading time: 0 Render date: 2024-04-25T06:19:17.805Z Has data issue: false hasContentIssue false
  • English
  • Français

Chemo-dynamical substructure of the Galactic halo

Published online by Cambridge University Press:  09 March 2010

Helio J. Rocha-Pinto
Helio J. Rocha-Pinto*
Affiliation:
Universidade Federal do Rio de Janeiro, Observatório do Valongo, Brazil email: helio@astro.ufrj.br
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.

Deep recent surveys have considerably improved our picture of the outer Galactic halo by unveiling a complex level of substructuring in the form of streams, stellar clouds and debris systems. Here I discuss some of the recent findings and present their general properties.

Keywords

Galaxy: HaloGalactic structuretidal streams
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. 255 - 262
Copyright
Copyright © International Astronomical Union 2010

References

Bell, E. F., Zucker, D. B., Belokurov, V., et al. 2007, ApJ, 680, 295CrossRefGoogle Scholar
Bellazzini, M., Ibata, R., Martin, N., et al. 2006, MNRAS, 366, 865CrossRefGoogle Scholar
Bellazzini, M., Newberg, H. J., Correnti, M., Ferraro, F. R., & Monaco, L. 2006, A&A, 457, L21Google Scholar
Belokurov, V., Zucker, D. B., Evans, N. W., et al. 2006, ApJ, 642, L137CrossRefGoogle Scholar
Belokurov, V., Evans, N. W., Bell, E. F., et al. 2007a, ApJ, 657, L89CrossRefGoogle Scholar
Belokurov, V., Evans, N. W., Irwin, M. J., et al. 2007b, ApJ, 658, 337CrossRefGoogle Scholar
Bovill, M. S., Ricotti, M. 2009, ApJ, 693, 1859CrossRefGoogle Scholar
Carollo, D., Beers, T, C., Lee, Y. S., et al. 2007, Nature, 450, 1020CrossRefGoogle Scholar
Carollo, D., BeersT, C. T, C., Chiba, M., et al. 2009, astro-ph/0909.3019Google Scholar
Chapman, S. C., Ibata, R., Irwin, M., et al. 2008, MNRAS, 390, 1437Google Scholar
Chou, M.-Y., Majewski, S. R., Cunha, K., et al. 2007, ApJ, 670, 436Google Scholar
Chou, M.-Y., Cunha, K., Majewski, S. R., et al. 2009, astro/ph, 0911.4364Google Scholar
Crane, J. D., Majewski, S. R., Rocha-Pinto, H. J., et al. 2003, ApJ, 594, L119CrossRefGoogle Scholar
De Angeli, F., Piotto, G., Cassisi, S., et al. 2005, AJ, 130, 116CrossRefGoogle Scholar
D'Onghia, E. & Lake, G. 2008, ApJ, 686, L61CrossRefGoogle Scholar
Duffau, S., Zinn, R., Vivas, A. K., et al. 2006, ApJ, 636, L97CrossRefGoogle Scholar
Eggen, O. J., Lynden-Bell, D., & Sandage, A. R. 1962, ApJ, 136, 748CrossRefGoogle Scholar
Eyre, A. & Binney, J. 2009, MNRAS, 400, 548CrossRefGoogle Scholar
Fellhauer, M., Belokurov, V., Evans, N. W., et al. 2006, ApJ, 651, 167CrossRefGoogle Scholar
Frinchaboy, P. M., Majewski, S. R., Crane, J. D., et al. 2004, ApJ, 602, L21CrossRefGoogle Scholar
Geisler, D., Wallerstein, G., Smith, V. V., & Casetti-Dinescu, D. I. 2007, PASP, 119, 939CrossRefGoogle Scholar
Girardi, L., Groenewegen, M. A. T., Hatziminaoglou, E., & da Costa, L. 2005, A&A, 436, 895Google Scholar
Grillmair, C. J. 2006a, ApJ, 645, L37CrossRefGoogle Scholar
Grillmair, C. J. 2006b, ApJ, 651, L29CrossRefGoogle Scholar
Grillmair, C. J. 2009, ApJ, 693, 1118CrossRefGoogle Scholar
Grillmair, C. J., Carlin, J. L., & Majewski, S. R. 2008, ApJ, 689, L117CrossRefGoogle Scholar
Grillmair, C. J. & Dionatos, O. 2006, ApJ, 643, L17CrossRefGoogle Scholar
Helmi, A. 2004a, ApJ, 610, L97CrossRefGoogle Scholar
Helmi, A. 2004b, MNRAS, 351, 643CrossRefGoogle Scholar
Helmi, A., White, S. D. M., de Zeeuw, P. T., & Zhao, H. 1999, Nature, 402, 53CrossRefGoogle Scholar
Herrmann, K. A., Ciardullo, R., & Sigurdsson, S. 2009, ApJ, 693, L19CrossRefGoogle Scholar
Ibata, R. A., Irwin, M. J., Lewis, G. F., Ferguson, A. M. N., & Tanvir, N. 2003, MNRAS, 340, L21CrossRefGoogle Scholar
Ibata, R., Martin, N. F., Irwin, M., et al. 2007, ApJ, 671, 1591CrossRefGoogle Scholar
Ibata, R., Mouhcine, M., & Rejkuba, M. 2009, MNRAS, 395, 126CrossRefGoogle Scholar
Ivezić, Ž. 2009, astro-ph/0911.2661, p. 16CrossRefGoogle Scholar
Ivezić, Ž, Sesar, B., Jurić, M., et al. 2008, ApJ, 684, 287CrossRefGoogle Scholar
Johnston, K. V., Bullock, J. S., Sharma, S., et al. 2008, ApJ, 689, 936CrossRefGoogle Scholar
Johnston, K. V., Law, D. R., & Majewski, S. R. 2005, ApJ, 619, 800CrossRefGoogle Scholar
Jurić, M., Ivezić, Ž, Brooks, A., et al. 2008, ApJ, 673, 864CrossRefGoogle Scholar
Keller, S. C. 2009, astro-ph/0911.0951CrossRefGoogle Scholar
Keller, S. C., Da Costa, G. S., & Prior, S. L. 2009, MNRAS, 394, 1045CrossRefGoogle Scholar
Klement, R., Rix, H.-W., Flynn, C., et al. 2009, astro-ph/0904.1003Google Scholar
Kniazev, A. Y., Zijlstra, A. A., Grebel, E. K., et al. 2008, MNRAS, 388, 1667CrossRefGoogle Scholar
Kollmeier, J. A., Gould, A., Shectman, S., et al. 2009, ApJ, 705, L158CrossRefGoogle Scholar
Koposov, S. E., Rix, H.-W., & Hogg, D. W. 2009, astro-ph/0907.1085Google Scholar
Koposov, S. E., Yoo, J., Rix, H.-W., et al. 2009, ApJ, 696, 2179CrossRefGoogle Scholar
Kravtsov, A. V., Gnedin, O. Y., & Klypin, A. A. 2004, ApJ, 609, 482CrossRefGoogle Scholar
Lai, D. K., Rockosi, C. M., Bolte, M., et al. 2009, ApJ, 697, L63CrossRefGoogle Scholar
Law, D. R., Johnston, K. V., & Majewski, S. R. 2003, ApJ, 619, 807CrossRefGoogle Scholar
Law, D. R., Majewski, S. R., & Johnston, K. V. 2009, ApJ, 703, L67CrossRefGoogle Scholar
Liu, C., Hu, J., Newberg, H., & Zhao, Y. 2008, A&A, 477, 139Google Scholar
Madau, P., Kuhlen, M., Diemand, J., et al. 2008, ApJ, 689, L41CrossRefGoogle Scholar
Majewski, S. R., Kunkel, W. E., Law, D. R., et al. 2004, AJ, 128, 245CrossRefGoogle Scholar
Majewski, S. R., Ostheimer, J. C., Rocha-Pinto, H. J., et al. 2004, ApJ, 615, 738CrossRefGoogle Scholar
Majewski, S. R., Skrutskie, M. F., Weinberg, M. D., & Ostheimer, J. C. 2003, ApJ, 599, 1082CrossRefGoogle Scholar
Marconi, G., Buonanno, R., Castellani, M., et al. 1998, A&A, 330, 453Google Scholar
Marín-Franch, A., Aparicio, A., Piotto, G., et al. 2009, ApJ, 694, 1498CrossRefGoogle Scholar
Martin, N. F., Ibata, R. A., Bellazzini, M., et al. 2004, MNRAS, 348, 12CrossRefGoogle Scholar
Martin, N. F., Ibata, R. A., Irwin, M. J., et al. 2006, MNRAS, 371, 1983CrossRefGoogle Scholar
Martin, N. F., Ibata, R. A., & Irwin, M. 2007, ApJ, 668, L123CrossRefGoogle Scholar
Martínez-Delgado, D., Peñarrubia, J., Gabany, R. J., et al. 2009a, ApJ, 689, 184CrossRefGoogle Scholar
Martínez-Delgado, D., Peñarrubia, J., Jurić, M., Alfaro, E. J., & Ivezić, Ž 2003, ApJ, 660, 1264CrossRefGoogle Scholar
Martínez-Delgado, D., Pohlen, M., Gabany, R. J., et al. 2009b, ApJ, 692, 955CrossRefGoogle Scholar
Mateu, C., Vivas, A. K., Zinn, R., Miller, L., & Abad, C. 2009, AJ, 137, 4412CrossRefGoogle Scholar
McConnachie, A. W., Huxor, A., Martin, N. F., et al. 2008, ApJ, 688, 1009CrossRefGoogle Scholar
Moitinho, A., Vázquez, R. A., Carraro, G., et al. 2006, MNRAS, 368, L77CrossRefGoogle Scholar
Momany, Y., Zaggia, S., Bonifacio, P., et al. 2004, A&A, 421, L29Google Scholar
Momany, Y., Zaggia, S., Gilmore, G., et al. 2006, A&A, 451, 515Google Scholar
Moore, B., Ghigna, S., Governato, F., Lake, G., et al. 1999, ApJ, 524, L19CrossRefGoogle Scholar
Newberg, H. J., Yanny, B., Cole, N., et al. 2007, ApJ, 668, 221CrossRefGoogle Scholar
Newberg, H. J., Yanny, B., Rockosi, C., et al. 2002, ApJ, 569, 245CrossRefGoogle Scholar
Newberg, H. J., Yanny, B., & Willett, B. A. 2009, ApJ, 700, L61CrossRefGoogle Scholar
Peñarrubia, J., Martínez-Delgado, D., Rix, H.-W., et al. 2005, ApJ, 626, 128CrossRefGoogle Scholar
Prior, S. L., Da Costa, G. S., Keller, S. C., & Murphy, S. J. 2009, ApJ, 691, 306CrossRefGoogle Scholar
Robin, A. C., Reylé, C., Derrière, S., & Picaud, S. 2003, A&A, 409, 523Google Scholar
Rocha-Pinto, H. J., Majewski, S. R., Skrutskie, M. F., & Crane, J. D. 2003, ApJ, 594, L115CrossRefGoogle Scholar
Rocha-Pinto, H. J., Majewski, S. R., Skrutskie, M. F., et al. 2004, ApJ, 615, 732CrossRefGoogle Scholar
Rocha-Pinto, H. J., Majewski, S. R., Skrutskie, M. F., et al. 2006a, ApJ, 640, L147CrossRefGoogle Scholar
Rockosi, C. M., Odenkirchen, M., Grebel, E. K., et al. 2002, AJ, 124, 349CrossRefGoogle Scholar
Roederer, I. U. 2009, AJ, 137, 272CrossRefGoogle Scholar
Sales, L. V., Helmi, A., Starkenburg, E., et al. 2008, MNRAS, 389, 1391CrossRefGoogle Scholar
Sarajedini, A., Chaboyer, B., & Demarque, P. 1997, PASP, 109, 1321CrossRefGoogle Scholar
Shang, Z., Zheng, Z., Brinks, E., et al. 1998, ApJ, 504, L23CrossRefGoogle Scholar
Sesar, B., Ivezić, Ž, Lupton, R. H., et al. 2007, AJ, 134, 2236CrossRefGoogle Scholar
Simon, J. D. & Geha, M. 2007, ApJ, 670, 313CrossRefGoogle Scholar
Starkenburg, E., Helmi, A., Morrison, H. L., et al. 2009, ApJ, 698, 567CrossRefGoogle Scholar
Strigari, L. E., Bullock, J. S., Kaplinghat, M., et al. 2007, ApJ, 669, 676CrossRefGoogle Scholar
Tollerud, E. J., Bullock, J. S., Strigari, L. E., & Willman, B. 2008, ApJ, 688, 277CrossRefGoogle Scholar
Vivas, A. K., Zinn, R., Andrews, P., et al. 2001, ApJ, 554, L33CrossRefGoogle Scholar
Walsh, S. M., Jerjen, H., & Willman, B. 2007, ApJ, 662, L83CrossRefGoogle Scholar
Walsh, S. M., Willman, B., & Jerjen, H. 2009, AJ, 137, 450CrossRefGoogle Scholar
Watkins, L. L., Evans, N. W., Belokurov, V., et al. 2009, MNRAS, 398, 1757CrossRefGoogle Scholar
Willett, B. A., Newberg, H. J., Zhang, H., Yanny, B., & Beers, T. C. 2009, ApJ, 697, 207CrossRefGoogle Scholar
Willman, B., Dalcanton, J. J., Martínez-Delgado, D., et al. 2005, ApJ, 626, L85CrossRefGoogle Scholar
Willman, B., Blanton, M. R., West, A. A., Dalcanton, J. J., Hogg, D. W., Schneider, D. P., Wherry, N., Yanny, B., & Brinkmann, J. 2005, AJ, 129, 2692CrossRefGoogle Scholar
Yang, X., Mo, H. J., & van den Bosch, F. C. 2009, ApJ, 693, 830CrossRefGoogle Scholar
Yanny, B., Newberg, H. J., Johnson, J. A., et al. 2009, ApJ, 700, 1282CrossRefGoogle Scholar
Younger, J. D., Besla, G., Cox, T. J., Hernquist, L., Robertson, B., & Willman, B. 2008, ApJ, 676, L21CrossRefGoogle Scholar
Zucker, D. B., Belokurov, V., Evans, N. W., et al. 2006a, ApJ, 643, L103CrossRefGoogle Scholar
Zucker, D. B., Belokurov, V., Evans, N. W., et al. 2006a, ApJ, 650, L41CrossRefGoogle Scholar