1. Galactic Center Rotation Curve and Mass Yoshiaki Sofue (Meisei Uni
Galactic Center Rotation Curve and Mass Yoshiaki Sofue (Meisei Uni.) Nagoya University

2. 1. Log Rotation Curve 2. Mass models 3. Galactic Center RC 4
1. Log Rotation Curve 2. Mass models 3. Galactic Center RC 4. BH - Bulge – Disk -DH

3. 1. Rotation Curve

4. 銀河中心

5. inside/outside Solar Circle
Rotation velocities
inside/outside Solar Circle

6. Solar Circular Velocity V0=200 km/s @ R0=8kpc

7. 2. Mass Model

8. RC Fitting by (1) Bulge: de Vaucouleurs Law (2) Disk: Exponential
(3) Dark Halo: NFW

9. de V ∝ exp(-r1/4) Expo. Plummer Kepler

10. (1) Bulge de Vaucouleurs: exp(-r1/4)

11. (2) Disk: Exponential

12. (3) Dark Halo NFW Density Profile

13. Sofue, Honma, Omodaka 2009

14. Volume Densities for
Bulge, Disk, and Halo（Isoth, NFW, Burkert)

15. Total Masses
Dark Halo
Expo. Disk
de Vaucl. Bulge

16. 3. Grand Rotation Curve

17. Solar Circular Velocity V0=200 km/s @ R0=8kpc

18. Define: Vrot =Vvirial≒ √2 VGC
Rotation curve at R>30 kpc assuming random motion of satellite galaxies
Define:
Vrot =Vvirial≒ √2 VGC

19. MW ⇔ M31
border
de V. Bulge
Milky Way GRC
Expo. Disk
NFW Halo

21. 4. Galactic Center & BH

22. 質量空白域 or DM cusp Rc

23. 銀河質量研究の空白領域 BH - Bulge
Log R

24. BH formation in core/cuspRc

25. BH – Bulge – Disk 　
NGC 3079

26. GC CO map & LV diagrams

27. CO LV diagrams

28. Terminal Velocities

29. GC Rotation Curve

30. Galaxy Rotation Curve

31. Surface Mass Density

32. Deconvolution of RC

33. Vaucouleurs vs Exponential

34. Density (Semi Log)

35. Density (Log Log)

36. 質量分布ー直接導出
>
>

37. SMD : Obs vs Model

38. Comparison with Genzel et al. 94

39. RC Fitting Result: BH Bulge 1 : Exp. Sphere (3) Bulge 2: Exp. Sphere
(4) Exp. Flat Disk
(5) NFW Dark Halo

40. PASJ submitted 2013

41. Further Analysis of Activity in known Gravity Environment