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tests:discs:gc2014_spiralarms [2014/10/29 08:54]
sroca
tests:discs:gc2014_spiralarms [2014/10/30 17:07] (current)
sroca
Line 11: Line 11:
  
 === Results === === Results ===
 +
 +Line of sight velocity of an axisymmetric distribution as function of galactic longitude:
 +
 +{{:​tests:​discs:​vlos_helio_axisym.jpeg?​200|}}
 +{{:​tests:​discs:​vlos_helio_axisym_in.jpeg?​200|}}
 +
 +Residual l.o.s. velocity of an axisymetric distribution as function of galactic longitude:
 +
 +{{:​tests:​discs:​vlos_res_axisym.jpeg?​200|}}
 +
 +Substracted rotation curve:
 +
 +{{:​tests:​discs:​rotcurv_axisym.pdf|}}
 +
 +-What we see is the velocity dispersion (no non-axisymmetric structures present in the model)
 +-The asymmetry could be a consequence of the asymmetrical drift (it needs to be tested).
 +
  
 === Data === === Data ===
Line 34: Line 51:
  
  
--Test particle TWA1 spiral arms (i=8º, Nd=5*10^6) / density wave (RocaFabrega14)+-2D Test particle TWA1 spiral arms (i=8º, Nd=5*10^6) / density wave (RocaFabrega14)
  
  
Line 48: Line 65:
  
  
--Test particle TWA2 spiral arms (i=15º, Nd=5*10^6) / density wave (RocaFabrega14)+-2D Test particle TWA2 spiral arms (i=15º, Nd=5*10^6) / density wave (RocaFabrega14)
  
 In each row: In each row:
Line 59: Line 76:
  
  
 +https://​drive.google.com/​file/​d/​0B8sgZGL4aKpScGRKRnFSdXpyZDg/​view?​usp=sharing
  
  
- +-3D Test particle Ferrers bar + response spiral arms (Nd=5*10^6) / rigid-body rotation (Manifolds?​) (RomeroGomez14):​
--Test particle Ferrers bar + response spiral arms (Nd=5*10^6) / rigid-body rotation (Manifolds?​) (RomeroGomez14):​+
  
 In each row: In each row:
Line 80: Line 97:
 -N-body spiral arms (Nd=3*10^6) / Unbarred Great Design spiral (Debatista14) -N-body spiral arms (Nd=3*10^6) / Unbarred Great Design spiral (Debatista14)
  
-In each row:  Id(1=star,2=DM), x(Kpc), y(Kpc), z(Kpc), vx(Km/s), vy(Km/s), vz(Km/​s), ​ID2 +In each row:  Id(1=disk,2=bulge), x(Kpc), y(Kpc), z(Kpc), vx(Km/s), vy(Km/s), vz(Km/​s), ​Mass (=1)
- +
-Positions and velocities are galactocentric. The Sun is placed at (-8.5,​0,​0)Kpc +
- +
-data format: (6(f10.3,​1x)) +
- +
- +
- +
- +
- +
--Test particle Ferrers bar + response spiral arms / rigid-body rotation (Manifolds?​) (RomeroGomez14):​ +
- +
-In each row: +
- +
-G ,Grvs ,Xreal (Kpc),Yreal (Kpc),Zreal (Kpc),​VXreal (Km/​s),​VYreal (Km/​s),​VZreal (Km/s),Xobs (Kpc),Yobs (Kpc),Zobs (Kpc), VXobs (Km/​s),​VYobs (Km/​s),​VZobs (Km/s) +
- +
-Positions and velocities are galactocentric. The Sun is placed at (-8.5,​0,​0)Kpc +
- +
-data format: (2(f7.3,​1x),​3(f7.3,​1x),​3(f10.2,​1x),​3(f7.3,​1x),​3(f10.2,​1x)) +
- +
-Real values ​without errors -Obs values = with Gaia errors +
- +
-https://​docs.google.com/​file/​d/​0B8sgZGL4aKpSc3dlUnRKdkszaHM/​edit?​usp=sharing . +
- +
- +
- +
--N-body spiral arms / Unbarred Great Design spiral (Debatista14) +
- +
-In each row:   +
- +
- +
-http://​www.star.uclan.ac.uk/​~vpd/​rescaledMN443L1.gz +
  
  
Line 119: Line 104:
 -Cartesian to equatorial + astrometric proper motions (Carmen) -Cartesian to equatorial + astrometric proper motions (Carmen)
  
--Cartesian to observable (Abedi)  +https://github.com/agabrown/PyGaia
- +
--L.o.s. tangential and radial velocities (Grand) +
- +
- +
- +
- +
- +
-Positions and velocities are galactocentric. The Sun is placed at (-8.5,​0,​0)Kpc +
- +
-data format: (6(f10.3,​1x)) +
- +
- +
- +
- +
- +
--Test particle Ferrers bar + response spiral arms / rigid-body rotation (Manifolds?​) (RomeroGomez14):​ +
- +
-In each row: +
- +
-G ,Grvs ,Xreal (Kpc),Yreal (Kpc),Zreal (Kpc),​VXreal (Km/​s),​VYreal (Km/​s),​VZreal (Km/s),Xobs (Kpc),Yobs (Kpc),Zobs (Kpc), VXobs (Km/​s),​VYobs (Km/​s),​VZobs (Km/s) +
- +
-Positions and velocities are galactocentric. The Sun is placed at (-8.5,​0,​0)Kpc +
- +
-data format: (2(f7.3,​1x),​3(f7.3,​1x),​3(f10.2,​1x),​3(f7.3,​1x),​3(f10.2,​1x)) +
- +
-Real values = without errors -Obs values = with Gaia errors +
- +
-https://docs.google.com/file/d/​0B8sgZGL4aKpSc3dlUnRKdkszaHM/​edit?​usp=sharing . +
- +
- +
- +
--N-body spiral arms / Unbarred Great Design spiral (Debatista14) +
- +
-In each row:   +
- +
- +
-http://​www.star.uclan.ac.uk/​~vpd/​rescaledMN443L1.gz +
- +
- +
- +
-=== Codes === +
- +
--Cartesian to equatorial + astrometric proper motions (Carmen)+
  
 -Cartesian to observable (Abedi) ​ -Cartesian to observable (Abedi) ​
  
 -L.o.s. tangential and radial velocities (Grand) -L.o.s. tangential and radial velocities (Grand)
- 
- 
- 
- 
- 
- 
-http://​www.star.uclan.ac.uk/​~vpd/​rescaledMN443L1.gz 
- 
- 
- 
-=== Codes === 
- 
--Cartesian to equatorial + astrometric proper motions (Carmen) 
- 
--Cartesian to observable (Abedi) ​ 
- 
--L.o.s. tangential and radial velocities (Grand) 
- 
- 
- 
  
tests/discs/gc2014_spiralarms.1414572859.txt.gz · Last modified: 2014/10/29 08:54 by sroca