Probability of simultaneous parallax detection for free-floating planet microlensing events near Galactic Centre

10 Mar 2020 Ban M.

The event rate and the efficiency of mass estimation for free-floating planet (FFP) microlensing events were determined from the simulation of the simultaneous parallax observations by Euclid, WFIRST, and LSST. The stellar population from the Besan\c{c}on Galactic model toward $(l, b)=(1^{\circ},-1.^{\circ}75)$ was applied to our 3D microlensing model, and 30,000 parallax observations were simulated for each following FFP lens masses: Jupiter-mass, Neptune-mass, and Earth-mass assuming the population of one FFP per star... (read more)

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Categories


  • EARTH AND PLANETARY ASTROPHYSICS
  • ASTROPHYSICS OF GALAXIES
  • INSTRUMENTATION AND METHODS FOR ASTROPHYSICS
  • SOLAR AND STELLAR ASTROPHYSICS