Astrophysical: Pulsars

  • Publication
    Optical decline of HETE J1900.1-2455
    Following the recently reported decline of the X-ray flux from the millisecond pulsar HETE J1900.1-2455 (Galloway et al. 2007, ATel #1086), we acquired images...
  • Publication
    Optical identification of the binary companion to the millisecond PSR J2302+4442 with the Gran Telescopio Canarias
    We report detection of the binary companion to the millisecond pulsar J2302+4442 based on the deep observations performed with the Gran Telescopio Canarias. The...
  • Publication
    Optical Observations of Psr J2021+3651 in the Dragonfly Nebula With the GTC
    PSR J2021+3651 is a 17 kyr old rotation powered pulsar detected in the radio, X-rays, and γ-rays. It powers a torus-like pulsar wind nebula with jets, dubbed...
  • Publication
    Optical photometry and spectroscopy of HETE J1900.1-2544
    We report optical photometry and spectroscopy of the candidate optical/NIR counterpart (ATEL #526, #533) to the millisecond X-ray pulsar HETE J1900.1-2455 (ATEL...
  • Publication
    Optical photometry of two transitional millisecond pulsars in the radio pulsar state
    We present ULTRACAM multiband optical photometry of two transitional millisecond pulsars (tMSPs), PSR J1023+0038 and PSR J1227-4853, taken while both were in...
  • Publication
    Optical pulsations from the anomalous X-ray pulsar 1E1048.1-5937
    We present high-speed optical photometry of the anomalous X-ray pulsar 1E1048.1-5937 obtained with ULTRACAM on the 8.2-m Very Large Telescope in 2007 June. We...
  • Publication
    Optical spectroscopy and photometry of SAX J1808.4-3658 in outburst
    We present phase resolved optical spectroscopy and photometry of V4580 Sagittarii, the optical counterpart to the accretion powered millisecond pulsar SAX J1808...
  • Publication
    Peering into the Dark Side: Magnesium Lines Establish a Massive Neutron Star in PSR J2215+5135
    New millisecond pulsars (MSPs) in compact binaries provide a good opportunity to search for the most massive neutron stars. Their main-sequence companion stars...
  • Publication
    Periastron Observations of TeV Gamma-Ray Emission from a Binary System with a 50-year Period
    We report on observations of the pulsar/Be star binary system PSR J2032+4127/MT91 213 in the energy range between 100 {GeV} and 20 {TeV} with the Very Energetic...