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most citedDeciphering signatures of Kerr-Sen black holes in presence of plasma from the Event Horizon Telescope data

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gr-qc2026

A note on methods for computing the critical curve of Kerr-like black holes

Siddharth Kumar Sahoo, Indrani Banerjee

This study systematically compares Bardeen's, de Vries's, and Grenzebach et al.'s celestial coordinate definitions of the critical curve ("shadow") of Kerr-like black holes. We fin…