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A Long Period Stellar-mass Black Hole Binary in ω Centauri

  • Authors: Matthew Whitaker, Evan Kerr, Anil Seth, Maximilian Häberle, Jay Strader, Jay Anderson, Andrea Bellini, Callie Clontz, Zack Freeman, Massimo Griggio, Sebastian Kamann, Mattia Libralato, Nadine Neumayer, Elena González Prieto, Carl L. Rodriguez, Sara Saracino, Peter Smith, Glenn van de Ven, Zixian Wang

Matthew Whitaker et al 2026 The Astrophysical Journal Letters 1006 .

  • Provider: AAS Journals

Caption: Figure 3.

Visible star astrometry. Stellar positions measured by HST ACS/WFC (squares), WFC3/UVIS (circles), and JWST NIRCam (triangles). Color indicates the date of observation. The size of each marker is inversely proportional to the measurement’s uncertainty. Open markers indicate epochs that were removed due to short (<5 s) exposure time, potential contamination from overlapping diffraction spikes from a neighboring bright star, or the PSF falling on a more noisy pixel (Section 2.1).

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