A predicted astrometric microlensing event by a nearby white dwarf
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We used the Tycho-Gaia Astrometric Solution catalogue, part of the Gaia Data
Release 1, to search for candidate astrometric microlensing events expected to
occur within the remaining lifetime of the Gaia satellite. Our search yielded
one promising candidate. We predict that the nearby DQ type white dwarf LAWD 37
(WD 1142-645) will lens a background star and will reach closest approach on
November 11th 2019 (
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1745-3933
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STFC (1950369)