Publication type: Refereed

  • Publication
    X-Ray Flaring on the dMe Star, Ross 154
    We present results from two Chandra imaging observations of Ross 154, a nearby flaring M dwarf star. During a 61 ks ACIS-S exposure, a very large flare occurred...
  • Publication
    X-ray flashes or soft gamma-ray bursts?. The case of the likely distant XRF 040912
    Context: The origin of X-ray Flashes (XRFs) is still a mystery and several models have been proposed. To disentangle among these models, an important...
  • Publication
    X-ray long-term variations in the low-luminosity AGN NGC 835 and its circumnuclear emission
    Context. Obscured active galactic nuclei (AGNs) are thought to be very common in the Universe. Observations and surveys have shown that the number of sources...
  • Publication
    X-ray luminosity functions of different morphological and X-ray type AGN populations
    Luminosity functions are one of the most important observational clues when studying galaxy evolution over cosmic time. In this paper we present the X-ray...
  • Publication
    X-ray monitoring of classical novae in the central region of M 31. I. June 2006-March 2007
    Context. Classical novae (CNe) have recently been reported to represent the major class of supersoft X-ray sources (SSSs) in the central region of our neighbour...
  • Publication
    X-ray monitoring of optical novae in M 31 from July 2004 to February 2005
    Context: Optical novae have recently been identified as the major class of supersoft X-ray sources in M 31 based on ROSAT and early XMM-Newton and Chandra...
  • Publication
    X-Ray Nuclear Activity in S4G Barred Galaxies: No Link between Bar Strength and Co-occurrent Supermassive Black Hole Fueling
    Stellar bars can lead to gas inflow toward the center of a galaxy and stimulate nuclear star formation. However, there is no compelling evidence on whether they...
  • Publication
    X-ray Observations of the Very-Faint X-ray Transient XMMSL1 J171900.4-353217: A New Candidate Neutron Star Low-Mass X-ray Binary
    XMMSL1 J171900.4–353217 is a very-faint X-ray transient that was discovered in 2010 March when it exhibited an outburst. We report on 7 observations, obtained...
  • Publication
    X-ray observations of two candidate symbiotic binaries in the galactic bulge
    This paper analyses X-ray observations by the Chandra X-ray Observatory of CXOGBS J174614.3-321949 (CXB3) and CXOGBS J173620.2-293338 (CX332), two symbiotic...