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New stellar streams found in SDSS Dr7

New stellar streams found in SDSS Dr7. 张昊彤 Zhang Haotong zht@lamost.org 2010. 7. Matched filter. Rockosi et. al,2002. Grillmair , 2009. Matched filter. Matched filter. Matched filter. 1.5. Matched filter. 2.0. Matched filter. 2.5. Matched filter. 3.0. Matched filter. 3.5.

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New stellar streams found in SDSS Dr7

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  1. New stellar streams found in SDSS Dr7 张昊彤 Zhang Haotong zht@lamost.org 2010. 7

  2. Matched filter • Rockosi et. al,2002 Grillmair , 2009

  3. Matched filter

  4. Matched filter

  5. Matched filter 1.5

  6. Matched filter 2.0

  7. Matched filter 2.5

  8. Matched filter 3.0

  9. Matched filter 3.5

  10. Matched filter 4.0

  11. Steams found by Matched filter Pal5 22d, Grillmair 2006 NGC5546, Grillmair 2006 GD1, Grillmair 2006 Orphan, Grillmair 2006 Anticenter or Monoceros , Grillmail 2006

  12. Streams found by mached filter Grillmair 2009

  13. Streams found by matched filter Ibata 2007

  14. Something old

  15. Pal5 Rockosi 2002 Odenkirchen, 2009 Grillmair 2006

  16. pal5 • Dehnen, W et.al. 2004 • Odenkirchen, M. et al.2009 • Quillen, A. et al. 2010

  17. Pal5 2.0 mag Deeper than M13

  18. Pal5

  19. Pal5

  20. Pal5 Δr=2.05+-0.31 Δr=1.9+-0.17 Δr=2.2+-0.21

  21. Orphan Belokurov, 2007 Grillmair 2006

  22. Orphan Fellhauer, M, et .al. 2007 Jin, Shoko, Lynden-bell,D., 2007 Sales,L., et al. 2008 Newberg,H., et al, 2010 Newberg, 2010

  23. Orphan 3.5 mag Deeper than M13

  24. Orphan (l,b) ~ (160,45)

  25. Orphan

  26. Orphan

  27. Orphan Newberg et.al 2010

  28. Orphan

  29. Orphan

  30. Orphan

  31. Orphan

  32. Orphan ΔM~0.6

  33. Orphan

  34. Orphan

  35. Orphan

  36. Orphan

  37. Orphan

  38. Orphan

  39. Orphan

  40. Something maybe new

  41. GD1 related Willett, 2009

  42. GD1 Related 0.75 mag deeper

  43. GD1 related GD1 here ~8.8+-0.8 Kpc, willet 2009

  44. GD1 related D~7.7 +-0.8kpc ? D~9.4 +-0.6kpc 9.4+-0.8kpc

  45. GD1 Related Grillmair 2006

  46. Something new

  47. Ob3~24° Ob2~46° Ob1~25°

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