have got high relative velocities compared to the bulk of CMG.

  ---------------- ------------------------------------------------------------------------- ------------------ ------------- ----------- --
  designation      [[*Gaia*]{}]{} DR2 designation                                                                                         
  Group            group membership                                                                                                       
  ra, dec,...      [[*Gaia*]{}]{} DR2 parameters                                                                                          
  vr\_pred         predicted radial velocity                                                  $\rm km\,s^{-1}$           5.56 16.6        
  vpar             observed tangential velocity toward the convergent point                   $\rm km\,s^{-1}$           18.4 21.4        
  vperp                                                                                       $\rm km\,s^{-1}$         $-2.3$ $+2.0$      
  e\_vpar          uncertainty on vpar                                                        $\rm km\,s^{-1}$          0.053 1.28        
  e\_vperp         uncertainty on vperp                                                       $\rm km\,s^{-1}$          0.012 0.41        
  vparvperpcor     (dimensionless) correlation between                                                                $-0.83$ 0.79        
  X\_gal           X galactic coordinate                                                             pc                 +26.1 +102.7      
  Y\_gal           Y galactic coordinate                                                             pc              $-134.0$ $-64.6$     
  Z\_gal           Z galactic coordinate                                                             pc               $-30.6$ $+51.0$     
  age\_CIFIST      age according to the CIFIST isochrones                                           Gyr             $10^{-3}$ $10^{-1}$   
  mass\_CIFIST     mass according to the CIFIST isochrones                                     $\rm M_\odot$            0.026 1.4         
  Teff\_CIFIST     effective temperature according to the CIFIST isochrones                          K                   2632 6766        
  logL\_CIFIST     $\log_{10}$ of bolometric luminosity according to the CIFIST isochrones          CGS                $-2.8$ 0.6         
  logg\_CIFIST     $\log_{10}$ of gravity according to the CIFIST isochrones                        CGS                   3.4 4.9         
  age\_P           age according to the Parsec isochrones                                            yr           $5\,10^{6}$ $10^{8}$    
  mass\_P          (initial) mass according to the Parsec isochrones                           $\rm M_\odot$              0.1 5.3         
  logL\_P          $\log_{10}$ of bolometric luminosity according to the Parsec isochrones     $\rm L_\odot$           $-2.7$ 3.0         
  logTe\_P         $\log_{10}$ of effective temperature according to the Parsec isochrones           