Astrometric microlensing of primordial black holes with Gaia
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2023/05/045
Abstract: The Gaia space telescope allows for unprecedented accuracy for astrometric measurements of stars in the Galaxy. In this work, we explore the sensitivity of Gaia to detect primordial black hole (PBH) dark matter through the… read more here.
Keywords: primordial black; astrometric microlensing; microlensing primordial; rate aml ... See more keywords
A predicted astrometric microlensing event by a nearby white dwarf
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnrasl/sly066
Abstract: 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… read more here.
Keywords: astrometric microlensing; microlensing event; gaia; white dwarf ... See more keywords
Ongoing astrometric microlensing events from VVV and Gaia
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society: Letters"
DOI: 10.1093/mnrasl/slz073
Abstract: We extend predictive microlensing event searches using the Vista Variables in the Via Lactea survey and the second Gaia data release. We identify two events with maxima in 2019 that require urgent follow-up. First, we… read more here.
Keywords: ongoing astrometric; astrometric microlensing; source; nltt 45128 ... See more keywords