Maximum apparent displacement δθ± and amplification A± of the two images of S stars formed by the gravitational lens during the conjunctions with α Cen A and B.
|Date||L a||S b||θLD[mas]||φ[km]||ρmin [″]||δθ+ [mas]||A+ [%]||δθ− [mas]||A− [%]|
|2021-05-03||B||S1||0.0120.002||2400400||0.205 ± 0.177|
|2023-04-27||A||S2||0.0250.003||5000600||1.643 ± 0.112||100||−||−|
|2023-12-12||B||S3||0.0180.002||3600400||1.354 ± 0.186||100||−||−|
|2024-10-26||B||S4||0.0080.003||1600600||2.433 ± 0.119||100||−||−|
|2028-05-06||A||S5||0.470.05||9500010000||0.015 ± 0.135|
|2031-05-25||B||S6||0.0100.003||2000600||0.269 ± 0.277|
Notes. The displacements are relative to the non-deflected (pre-lensing) positions. We also list the angular sizes θLD of the S stars, and their projected linear diameters φ at α Centauri. The error bars are given in super/subscripts position next to each value.
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