However none of the claimed detections has stood up to scrutiny .
A few globular clusters have been claimed to contain IMBHs , based on measurements of the velocities of stars near their centers ; the figure shows one candidate object .
None of the claimed detections has stood up to scrutiny .
A few globular clusters have been claimed to contain IMBHs , based on measurements of the velocities of stars near their centers ; the figure shows one candidate object .