Astrofísicas: Púlsares

  • Publicación
    The TRAPUM L-band survey for pulsars in Fermi-LAT gamma-ray sources
    More than 100 millisecond pulsars (MSPs) have been discovered in radio observations of gamma-ray sources detected by the Fermi Large Area Telescope (LAT), but...
  • Publicación
    The ultracool helium-atmosphere white dwarf companion of PSR J0740+6620?
    We report detection of the likely companion of the binary millisecond pulsar (MSP) J0740+6620 with the Gran Telescopio Canarias in the r' and i' bands. The...
  • Publicación
    The Variable Radio-to-X-Ray Spectrum of the Magnetar XTE J1810-197
    We have observed the 5.54 s anomalous X-ray pulsar XTE J1810-197 at radio, millimeter, and infrared (IR) wavelengths, with the aim of learning about its...
  • Publicación
    Timing and Spectral Properties of the Accreting Millisecond Pulsar SWIFT J1756.9-2508
    SWIFT J1756.9-2508 is one of the few accreting millisecond pulsars (AMPs) discovered to date. We report here the results of our analysis of its aperiodic X-ray...
  • Publicación
    Timing the accretion flow around accreting millisecond pulsars
    At present, ten years after they were first discovered, ten accreting millisecond pulsars are known. I present a study of the aperiodic X-ray variability in...
  • Publicación
    Two black widow pulsars in the optical and X-rays
    Context. Two millisecond pulsars, PSR J1513‑2550 and PSR J2017‑1614, with spin periods of about 2.1 and 2.3 ms were recently discovered in the radio and γ-rays...
  • Publicación
    Two New X-Ray Sources in M31 and M31GC J004234+405709 Observed by Chandra
    We report the discovery of two previously unseen X-ray sources detected in a 5ks Chandra/ACIS observation starting on 2008-10-13.15 UT as part of our ongoing...
  • Publicación
    Type I X-ray bursts and burst oscillations in the accreting millisecond X-ray pulsar IGR J17511-3057
    We report the discovery of burst oscillations at the spin frequency in ten thermonuclear bursts from the accreting millisecond X-ray pulsar (AMXP) IGR J17511...
  • Publicación
    Very energy observations of PSR B1951+32
    PSR B1951+32 is a γ-ray pulsar detected by the Energetic Gamma Ray Experiment Telescope (EGRET) and identified with the 39.5 ms radio pulsar in the supernova...