Tipo de publicación: Con árbitro

  • Publicación
    The XMM-Newton serendipitous survey . II. First results from the AXIS high galactic latitude medium sensitivity survey
    We present the first results on the identifications of a medium sensitivity survey (X-ray flux limit 2x 10-14 erg cm-2 s-1 in the 0.5-4.5 keV band) at high...
  • Publicación
    The XMM-Newton serendipitous survey. IV. Optical identification of the XMM-Newton medium sensitivity survey (XMS)
    Aims:X-ray sources at intermediate fluxes (a few × 10-14 erg cm-2 s-1) with a sky density of ~100 deg-2 are responsible for a significant fraction of the cosmic...
  • Publicación
    The XMM-Newton Wide Angle Survey (XWAS)
    Aims: This programme is aimed at obtaining one of the largest X-ray selected samples of identified active galactic nuclei to date in order to characterise such...
  • Publicación
    The XMM-Newton/Chandra monitoring campaign of the Galactic center region. Description of the program and preliminary results
    We present the first results of our X-ray monitoring campaign on a 1.7 square degree region centered on Sgr A* using the satellites XMM-Newton and Chandra. The...
  • Publicación
    The XMM-Newton/HST View of the Obscuring Outflow in the Seyfert Galaxy Mrk 335 Observed at Extremely Low X-Ray Flux
    The Seyfert galaxy Mrk 335 is known for its frequent changes of flux and spectral shape in the X-ray band that occurred during recent years. These variations...
  • Publicación
    The Yellow Hypergiants HR 8752 and rho Cassiopeiae near the Evolutionary Border of Instability
    High-resolution near-ultraviolet spectra of the yellow hypergiants HR 8752 and rho Cassiopeiae indicate high effective temperatures, placing both stars near the...
  • Publicación
    The Young and the Wild: What Happens to Protoclusters Forming at Redshift z ≈ 4?
    Using one of the largest volumes of the hydrodynamical cosmological simulation suit Magneticum, we study the evolution of protoclusters identified at redshift ≈...
  • Publicación
    The Young Exoplanet Transit Initiative (YETI)
    We present the Young Exoplanet Transit Initiative (YETI), in which we use several 0.2 to 2.6-m telescopes around the world to monitor continuously young (≤100...
  • Publicación
    The young HD 73583 (TOI-560) planetary system: two 10-M<SUB>⊕</SUB> mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf
    We present the discovery and characterization of two transiting planets observed by TESS in the light curves of the young and bright (V = 9.67) star HD73583...