Manchester-Besançon Microlensing Simulator v2


The current online version is 2.3, released on 26/05/21. It is based on the calculations presented in Specht, Kerins, Awiphan & Robin (2020)


V2.3: 26/05/21. Modifications made to finite source calculations.

V2.2: 23/10/20. Maps are now available for a choice of S/N = 25, 50 or 100.

V2.1: 17/06/20. Corrected some maps for S/N=50. The assumed ambient sky brightness level for each filter is now set to the values at ESO Paranal Observatory. The user can now select from a fixed range of S/N thresholds (starting with S/N=50 but others will be added soon).

V2.0: 18/05/20. MaBμlS-2 is a major new release. Improvements include: ability to cut simultaneously on event timescale, lens relative proper motion and survey magitude; S/N-limited maps accounting for ambient sky background and position-dependent unresolved stellar backgrounds; full finite source size treatment using host- and filter-dependent limb-darkening; more accurate map interpolation and improved error map computation. MaBμlS-2 input catalogues have been calibrated against HST stellar kinemtics towards the Galactic bulge (Clarkson et al 2008) and MaBμlS-2 results have been calibrated against a sample of 8,000 microlensing events obtained by OGLE-IV (Mroz et al 2019).

V0.8: 20/01/16. Fixed bug in event rate map plotting.

V0.7: 18/11/15. Fixed bug in the computation of timescale-restricted microlensing rates.

V0.6: 05/11/15. Minor bug fixes to allowed range limits and to plotting axes.

V0.5: 21/10/15. First public release.

Known issues

V0.7: 08/01/16. Event rate per source maps are not being produced. Fixed as of V0.8.

V0.6 and earlier versions: 05/11/15. The event rate maps are in error when restricted by timescale (when setting ranges different to the default 1 - 1000 day range). Fixed as of v0.7.

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