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tests:discs:gc2014_spiralarms [2014/10/29 10:49]
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 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=?,2=?center), 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)
  
  
Line 86: Line 103:
  
 -Cartesian to equatorial + astrometric proper motions (Carmen) -Cartesian to equatorial + astrometric proper motions (Carmen)
 +
 +https://​github.com/​agabrown/​PyGaia
  
 -Cartesian to observable (Abedi) ​ -Cartesian to observable (Abedi) ​
tests/discs/gc2014_spiralarms.1414579799.txt.gz ยท Last modified: 2014/10/29 10:49 by sroca