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Table 1:

Parameter values of our standard scenario.
  Parameter Standard value Comment
  $D_{\rm S}$ 8 kpc distance to Galactic bulge
  $D_{\rm L}$ 6 kpc  
  $M_{\rm Star}$ $0.3~M\ensuremath{_{\hbox{$\odot$ }}} $ most abundant type of star
  $\mu_\perp$ $7~{\rm mas/year}$ ${=}v_\perp=200$ km s-1 at $D_{\rm L} = 6$ kpc
* $q_{\rm PS}$ 10-3 Jupiter/Sun mass ratio
* $\theta _{\rm PS}$ $1.3~\ensuremath{\theta_{E}} $ wide separation caustic
* $q_{\rm MP}$ 10-2 Moon/Earth mass ratio
* $\theta _{\rm MP}$ $1.0~\ensuremath{\theta_{E}} ^P$ planetary Einstein radius
* $R_{\rm Source}$ $R_{\hbox {$\odot $ }}$ brightness requirements vs. stellar abundance
* $f_{\rm sampled}$ $\simeq\frac{1 ~{\rm frame}}{15~{\rm min}}$ high-cadence observation
* $\sigma$ 20 mmag typical value in past observations

Notes. Parameters marked with an asterisk (*) are varied in our simulations in order to evaluate their influence on the lunar detection rate and to compare different triple-lens scenarios. The fixed parameters lead to values for the Einstein ring radius, $\ensuremath{\theta_{E}} =0.32$ mas, i.e. 1.9 AU in the lens plane, and the Einstein time, $t_E \simeq 17$ days. The lensed system is a Saturn-mass planet at a projected separation of 2.5 AU from its $0.3~M_{\hbox{$\odot$ }}$ M-dwarf host, the Earth-mass satellite orbits the planet at 0.06 AU, i.e. 0.01 mas angular separation, cf. Fig. 10.

Source LaTeX | All tables | In the text

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