Publication type: Non-refereed

  • Publication
    New Observations of the Extremely High-Velocity Jet of the Proto-Planetary Nebula He 3-1475
    The proto-planetary nebula Hen 3-1475 (IRAS 17423--1755) shows a remarkable highly--collimated optical jet with a spectacular S-shaped string of shock-excited...
  • Publication
    New Observations of the High-Velocity Outflows of the Proto-Planetary Nebula Hen 3-1475
    The proto-planetary nebula Hen 3-1475 shows a remarkable highly collimated optical jet with a S-shaped string of shock-excited knots. Moreover, extremely high...
  • Publication
    New observations of ULX supershells, and their implications
    New optical narrowband imaging observations of the fields of several ultra-luminous X-ray sources (ULXs) are presented. Known supershell nebulae are associated...
  • Publication
    New Optical Observations of XTE J1118+480
    We report on new R-band photometry of the outbursting black hole candidate XTE J1118+480 (ATEL #383, #384) obtained with the 4.2m WHT at the Observatorio del...
  • Publication
    New Optical Results on gamma-ray Binaries
    We present new optical spectroscopy of the γ-ray binary LS 5039. Our data show evidence for sub-orbital modulation in the radial velocities with amplitude ∼ 7...
  • Publication
    New outburst of the accreting millisecond X-ray pulsar NGC 6440 X-2 and discovery of a strong 1 Hz modulation in the light-curve
    On June 11th, 2010, RXTE/PCA galactic bulge scan observations showed an increase in activity from the globular cluster NGC 6440. Two accreting millisecond X-ray...
  • Publication
    New outburst of the accreting-millisecond X-ray pulsar NGC 6440 X-2
    On Friday 19th, 2010 (19h 13m 26s UT), the RXTE galactic bulge scans detected a flux excess in the direction of the globular cluster NGC 6440. This globular...
  • Publication
    New Outburst of V1118 Ori
    Not Available
  • Publication
    New Outburst of V1143 Ori
    Not Available