• Unveiling the Nature of INTEGRAL Objects: a Review 

      Autor: Parisi, Pietro
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      Since its launch in October 2002, the INTEGRAL observatory has improved our knowledge of the hard X-ray sky above 20 keV, carrying out more than ten years of observations in the energy range from 5 keV to 8 MeV. The most ...
    • US Astronomical Photographic Data Archives: Hidden Treasures and Importance for High-Energy Astrophysics 

      Autor: Hudec, René; Hudec, Lukáš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We report here on an ongoing investigation of US astronomical plate archives and tests of the suitability of transportable scanning devices for in situ digitization of archival astronomical plates, with emphasis on application ...
    • V2282 Sgr Revisited 

      Autor: Nesci, Roberto; Rossi, Corinne; Frasca, Antonio; Marilli, Ettore; Persi, Paolo; Cornero, Nicola
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      The nature of V2282 Sgr is examined on the basis of several multiband observations: a 20 years long I-band light curve of V2282 Sgr obtained from archive photographic plates of the Asiago and Catania Observatories; a CCD ...
    • X-Ray and Near-Infrared Spectroscopy of Dim X-Ray Point Sources Constituting the Galactic Ridge X-Ray Emission 

      Autor: Morihana, Kumiko; Tsujimoto, Masahiro; Ebisawa, Ken
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2014)
      We present the results of X-ray and Near-Infrared observations of the Galactic Ridge X-ray Emission (GRXE). We extracted 2,002 X-ray point sources in the Chandra Bulge Field (l =0°.113, b = 1°.424) down to ~10-14.8 ergscm-2s-1 ...