MAPPING THE GALACTIC BULGE Manuela Zoccali

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Bulge element ratiosb =–4b =–6b =–12Gonzalez+ (2010)ngc6553● bulge▲ thick○ thin■ GC stars► Alpha element ratios in the bulge indicate rapid star formation history► They are similar in the bulge and thick disk. Bulge might have formed from thick disk stars(?)
The bulge metallicity distributionwith high resolution spectraDISK MAIN SEQUENCEsome issues:► need to sample evenly the color range► need compromise between Teff and S/N<strong>BULGE</strong> RGBT~5000 [Fe/H]~0.0T~4200 [Fe/H]~0.0
Page 4 and 5: Further evidences ofa Galactic barS
Page 7 and 8: 2010s - The X-shaped bulgeNataf et
Page 9 and 10: 2010s - The X-shaped bulgeInterpret
Page 11 and 12: 2010s - The X-shaped bulgeSaito et
Page 13 and 14: The VISTAVariables in the Vía a L
Page 17 and 18: Orbits of stars in the (model) pean
Page 19 and 20: Kinematics in the X-shaped bulgeVá
Page 21 and 22: The bulge age► pure old age (~10
Page 23 and 24: The bulge metallicity distributionR
Page 25 and 26: vertex deviation (°)The bulge meta
Page 27: [ O, Mg, Si, Ca, Ti / Fe ][ O, Mg,
Page 31 and 32: ulge metallicity(not a) large scale
Page 33 and 34: BW calib field (HR21)link to GESbul
Page 35 and 36: ulge metallicityPI: S. Majewskiwe n
Page 38 and 39: JThe Milky Way Inner Diskdisk red c
Page 40 and 41: The bulge ageThe VVV reaches the tu
Page 42: The bulge helium contentfrom OGLE I
Page 45: The bulge metallicity distributionH

MAPPING THE GALACTIC BULGE Manuela Zoccali

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