Astrophysical: Black holes

  • Publication
    XMM-Newton Proposal 03015401
    We propose to observe the peculiar neutron star low mass X-ray binary (NS/LMXB) 2S 1803-245 in quiescence. Together with EXO 1745-248, it is the only transient...
  • Publication
    XTE J1118+480 near Quiescence
    Following our optical monitoring of the halo black-hole candidate XTE J1118+480 (ATELs #383, #402, #424), we have obtained time-resolved R-band photometry with...
  • Publication
    XTE J1752-223 has faded to quiescence: optical and infrared magnitudes
    We have been regularly monitoring the outburst decay of the black hole candidate X-ray binary XTE J1752-223 (discovered by RXTE; ATel #2258) with the 2-m...
  • Publication
    XTE J1752-223: back to optical quiescence
    We observed the black hole candidate XTE J1752-223 (ATel #2258) with the William Herschel Telescope (WHT) and the ACAM imager/spectrograph at the Observatorio...