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Bally et al. 2010, ApJ, 721, 137

Molinari et al, 2011, ApJ, 735, L33. Bally et al. 2010, ApJ, 721, 137. Double ring or single ring. EMR. Sawada et al. 2004. Scoville, 1972. Rodr íguez-Fernandez et al. 2006. J. Kormendy & R. C. Kennicutt, 2004, ARA&A. Molinari et al, 2011, ApJ, 735, L33. Molecular face-on views of the GC.

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Bally et al. 2010, ApJ, 721, 137

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  1. Molinari et al, 2011, ApJ, 735, L33 Bally et al. 2010, ApJ, 721, 137

  2. Double ring or single ring EMR Sawada et al. 2004 Scoville, 1972 Rodríguez-Fernandez et al. 2006 J. Kormendy & R. C. Kennicutt, 2004, ARA&A Molinari et al, 2011, ApJ, 735, L33

  3. Molecular face-on views of the GC T. Sawada et al. 2004, MNRAS, 349, 1167 T. Sawada et al. 2001, ApJS, 136, 189 N. Z. Scoville, 1972, ApJ, 175, L127 Molinari et al, 2011, ApJ, 735, L33 Rodríguez-Fernandez et al. 2006 Bally et al. 2010, ApJ, 721, 137

  4. Ubiquity of H3+ Sgr A* to 30 pc East Goto, et al. 2008, ApJ, 688, 306 30 pc

  5. H3+ and CO ι85 pc East α140 pc West Geballe and Oka, 2010, ApJ, 709, L70-73

  6. Two sightlines with remarkableH3+spectrum Quintuplet,α, ι 0 – 30 pc East α140 pc West ι68 pc East Geballe and Oka, 2010, ApJ, 709, L70-73

  7. H3+ as thermometer and densitometer T n Spontaneous breakdown of symmetry (1,1) ground ParaI = 1/2 J OrthoI = 3/2 (3,3)metastable T ~ 250 K Metastable (3,3) (2,2) unstable (2,2) n ≤ 100 cm-3 361 K (1,0) CO R(1) 27.2 days (1,1) K Pan and Oka, 1987, ApJ, 305, 518 Oka, Geballe, Goto, Usuda, McCall, 2005, ApJ, 632, 882

  8. Sofue 1995, PASJ, 47, 551

  9. Future 2: 2 Herschel Proposal OA2 Molinari et al, 2011, ApJ, 735, L33

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