Deep AO imaging of 18 black-hole and neutron-star binaries finds no confirmed tertiary stars, ruling out most main-sequence companions at separations beyond roughly 500–2000 au.
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4 Pith papers cite this work, alongside 95 external citations. Polarity classification is still indexing.
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The Via Project is a planned five-year dual-hemisphere spectroscopic survey targeting over 2 million stars with 100 m/s RV stability and transient spectroscopy to r~24 using instruments on MMT and Magellan/Clay telescopes starting in 2027.
Natal kicks from supernovae are proposed to disrupt Gaia progenitor binaries containing low-mass black holes more frequently than those leading to gravitational-wave mergers, accounting for the observed difference in the 2.5-5 solar mass gap.
Review of high-precision astrometry applications to compact object astrophysics, emphasizing Gaia DR3 evidence for mass-dependent peculiar velocities and NS-BH similarities.
citing papers explorer
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Searching for the Third Wheel: High-Contrast Imaging Constraints on Tertiaries to Black Hole and Neutron Star Binaries
Deep AO imaging of 18 black-hole and neutron-star binaries finds no confirmed tertiary stars, ruling out most main-sequence companions at separations beyond roughly 500–2000 au.
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The Via Project: Overview of the Science, Instrument, and Survey
The Via Project is a planned five-year dual-hemisphere spectroscopic survey targeting over 2 million stars with 100 m/s RV stability and transient spectroscopy to r~24 using instruments on MMT and Magellan/Clay telescopes starting in 2027.
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Where are Gaia's small black holes?
Natal kicks from supernovae are proposed to disrupt Gaia progenitor binaries containing low-mass black holes more frequently than those leading to gravitational-wave mergers, accounting for the observed difference in the 2.5-5 solar mass gap.
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Compact Object Astrophysics with Frontline Astrometry
Review of high-precision astrometry applications to compact object astrophysics, emphasizing Gaia DR3 evidence for mass-dependent peculiar velocities and NS-BH similarities.