CXOU J132527.6-430023 is a ULX stellar mass Transient Sub-Eddington black hole candidate in the nearby galaxy of NGC 5128 (Centaurus A).
Discovery CXOU J132527.6−430023 was discovered in 2007 during a series of observations conducted by the Chandra X-ray Observatory of Centaurus A. The source brightened by more than two orders of magnitude between March and June 2007, reaching a peak unabsorbed luminosity of ~2 × 1038 erg/s, before fading below detectability in subsequent observations.
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