Multiwavelength observations of the black hole candidate Swift   J1753.5-0127
  We present preliminary results from the analysis of simultaneous multiwavelength observations of the black hole candidate Swift J1753.5-0127. The source is still continuing its outburst started in May 2005, never leaving the Low/Hard State. In the X-ray energy spectra we confirm evidence for a thermal component at a very low luminosity possibly extending close to but not at the innermost stable orbit. This is unusual for black hole candidates in the Low/Hard State. Furthermore, we confirm that its radio emission is significantly fainter than expected from the relation observed in other black hole candidates between the observed radio/X-ray fluxes. 
Paolo Soleri (1), Diego Altamirano (1), Rob Fender (2), Piergiorgio   Casella (1), Valeriu Tudose (1), Dipankar Maitra (1), ...