Tracing the Optical Imprints of AN Intermediate-Mass Black Hole Candidate in AN Interacting Galaxy Pair

We present observations of the extended optical counterpart of the bright, elongated ULX in the interacting galaxy pair NGC 5953/54 using the FLAMES-ARGUS integral field spectrograph on the VLT. We describe spectroscopic and spatial information of the ionized surroundings of this ULX in order to distinguish between two possible scenarios: a stellar-mass black hole binary or an intermediate-mass ( 50 solar masses) black hole.