Astrofísicas: Agujeros negros

  • Publicación
    New X-Ray Transient in M31: CXOM31 J004059.2+411551
    We report the discovery of a previously unseen X-ray point source detected in a 5ks observation starting on 2007-07-05.54 UT as part of our ongoing Chandra/HST...
  • Publicación
    New X-Ray Transient in M31: CXOM31 J004258.6+411527
    We report the discovery of a previously unseen X-ray point source detected in a 10ks observation starting on 2007-06-02.93 UT as part of our ongoing Chandra/HST...
  • Publicación
    NIR counterparts to ULXs (III): completing the photometric survey and selected spectroscopic results
    We present results from the remaining sources in our search for near-infrared (NIR) candidate counterparts to ultraluminous X-ray sources (ULXs) within ≃10 Mpc...
  • Charla
    Non-evolution of black hole mass/luminosity ratio, superluminal motions and other pending problems in QSOs
    1) López-Corredoira & Gutiérrez (2012, RAA, 12, 249): Extremely luminous QSOs exist at high redshift but they are absent at low redshift. Our analyses show that...
  • Publicación
    November 2007 Chandra Observations of X-Ray Transients in M31
    As part of our ongoing Chandra/HST M31 transient program we report on two active sources recently detected in two Chandra ACIS observations. Source 1 We present...
  • Noticia
    Observan cómo se alimenta el agujero negro de Andrómeda
    Un equipo científico internacional, liderado por la Universidad Observatorio de Munich y el Instituto de Astrofísica de Canarias, obtiene una visualización...
  • Publicación
    Observational properties of accretion discs: Precessing and warped?
    Over the last 40 years, X-ray astronomy missions have revealed long-term, superorbital periods in a variety of X-ray binaries. These modulations can provide...
  • Publicación
    On the origin of lithium in the black hole binary V404 Cyg.
    Not Available
  • Publicación
    Optical and infrared monitoring of SWIFT J1753.3-0127
    We report preliminary optical/infrared photometry and spectroscopy of the SWIFT J1753.3-0127 transient (ATEL #546, #549) obtained at Fred Whipple Observatory...