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TRACING THE OPTICAL IMPRINTS OF AN INTERMEDIATE-MASS BLACK HOLE CANDIDATE IN AN INTERACTING GALAXY PAIR

    https://doi.org/10.1142/9789814374552_0095Cited by:0 (Source: Crossref)
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    Abstract:

    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.