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tokens: is: (1) ID number used for cross-reference with the web version ofthis catalogue; (2) Name of the system and optical counterpart when known; (3) Peak X-ray flux in erg s cm, standardized to the 210 keV band. To do so, we begin with the X-ray flux that has been published in the literature (or in archive). We assume a power-law spectrum with a photon index ( Belloni et al. 2011 ) and the total neutral Galactic Hydrogen column density (), published by Kalberla et al. (2005) . If there is a measured published in literature derived from direct X-ray spectral analysis, we use this instead of the radio-derived interstellar one; (45) Optical or IR magnitude in the peak of the outburst and quiescence, respectively, in the AB system. To document the original observed band, we provide the name of the band in its original system; (6) Optical Galactic extinction [] reported in the literature. If unknown, we list the total Galactic line-of-sight absorption given by the Schlafly Finkbeiner (2011) dust maps; (7) Reported or estimated orbital period of the binary in hours; (8) References for all the parameters above. Table A.3 lists the optical/NIR photometry of the dynamical BHTs in quiescence: (1) Preferred name of the dynamically confirmed BHT; (29) Quiescent magnitudes of the dynamically confirmed BHTs. All the magnitudes were transformed to the AB system using the transformation coefficients taken from Table 2 in Frei Gunn (1994) and Eqs. (5) in Blanton et al. (2005) . To document the original observed band, we provide the name in its original system; (10) References of the magnitudes. Table A.4 provides the dynamical parameters of the BHTs: (1) Preferred name of the dynamically confirmed BHT; (2) Spectral type of the companion star; (3) The orbital period of the binary in hours; (4) The radial velocity of the companion star () in ; (5) The mass function of the BH in ; (6) The mass of the BH () in . If there is an uncertain value, we prefer to show a range of masses; (7) The binary mass ratio ; (8) The inclination of the system () in degrees; (9) The rotational broadening () in ; (10) References of all the parameters. At the bottom of each table, we present a detailed list with the particularities marked in Table A.1 and Table A.2 . This census is the most updated available and, compared to previous catalogues (e.g. Gottwald et al. 1991 ; Chen et al. 1997 ; Remillard McClintock 2006 ; Ritter Kolb 2003 ; Liu et al. 2006 , 2007 ), represents a substantial improvement in both statistics and observational parameters. While it only focuses on the population of BHs, it provides a thorough and more complete coverage of optical and NIR data and dynamical parameters 2 . 3. Analysis of the spatial distribution of BHTs Table A.1 allows us to perform a statistical study of the distribution of BHTs in the Galaxy. In Fig. 2 , we plot the 35 objects with estimated distances as viewed from the pole of the Milky Way. Filled orange circles represent the