CXOU J132527.6-430023 is a ULX stellar mass Transient Sub-Eddington black hole candidate in the nearby galaxy of NGC 5128 (Centaurus A).
CXOU J132527.6âÂÂ430023 was discovered in 2007 during a series of Observations done by Chandra X-ray Observatory on Centaurus A. The source brightened by more than two orders of magnitude between March and June 2007, reaching a peak unabsorbed luminosity of ~2 à10<sup>38</sup> erg/s, before fading below detectability in subsequent observations.