Astrophysical: Galaxies

  • Publication
    Suzaku and Multi-Wavelength Observations of OJ 287 during the Periodic Optical Outburst in 2007
    Suzaku observations of the blazar OJ 287 were performed in 2007 April 10-13 and November 7-9. They correspond to a quiescent and a flaring state, respectively...
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    Suzaku observation of the LINER NGC 4102
    Context. Low-ionisation, nuclear emission-line region (LINER) nuclei are said to be different from other active galactic nuclei (AGN) due to the presence of...
  • Publication
    SWIRE Photometric Redshift Catalogue (Rowan-Robinson+, 2008)
    The SWIRE Photometric Redshift Catalogue consists of 1025119 sources, split between the SWIRE fields as follows: EN1 (218117), EN2 (125364), Lockman (229238)...
  • Publication
    SWIRE Photometric Redshift Catalogue (Rowan-Robinson+, 2008)
    We present the SWIRE Photometric Redshift Catalogue 1 025 119 redshifts of unprecedented reliability and of accuracy comparable with or better than previous...
  • Publication
    SWIRE: The SIRTF Wide-Area Infrared Extragalactic Survey
    The SIRTF Wide-Area Infrared Extragalactic Survey (SWIRE), the largest SIRTF Legacy program, is a wide-area imaging survey to trace the evolution of dusty, star...
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    Synapses of active galactic nuclei:. Comparing X-ray and optical classifications using artificial neural networks
    Context. Many classes of active galactic nuclei (AGN) have been defined entirely through optical wavelengths, while the X-ray spectra have been very useful to...
  • Publication
    Synchrotron emission from the blazar PG 1553+113. An analysis of its flux and polarization variability
    In 2015 July 29-September 1, the satellite XMM-Newton pointed at the BL Lac object PG 1553+133 six times, collecting data for 218 h. During one of these epochs...
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    Synthetic galaxy clusters and observations based on Dark Energy Survey Year 3 Data
    We develop a novel data-driven method for generating synthetic optical observations of galaxy clusters. In cluster weak lensing, the interplay between analysis...
  • Publication
    Systematic Search for Extremely Metal-poor Galaxies in the Sloan Digital Sky Survey
    We carry out a systematic search for extremely metal-poor (XMP) galaxies in the spectroscopic sample of Sloan Digital Sky Survey (SDSS) data release 7 (DR7)...