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Author

Arun M. Thalapillil

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Sep 2026

Probing extended dark objects through astrometric microlensing from Gaia

We present the first comprehensive study of astrometric microlensing by extended dark objects, focusing on two theoretically motivated models — Q-ball and boson star. We demonstrate that these extended objects generate distinctive signatures that depart markedly from point-mass lenses like primordial black holes. The s...

Lalit Singh Bhandari, Vikram Rentala, Arun M. Thalapillil et al. · 0 citations

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