• Publication
    The nature of 500 micron risers - II. Multiplicities and environments of sub-mm faint dusty star-forming galaxies
    We present Submillimeter Common User Bolometer Array 2 (SCUBA-2) and Submillimeter Array (SMA) follow-up observations of four candidate high-redshift dusty star...
  • Publication
    The nature of 500 micron risers I: SMA observations
    We present SMA observations at resolutions from 0.35 to 3 arcsec of a sample of 34 candidate high redshift dusty star forming galaxies (DSFGs). These sources...
  • Publication
    The Nature of 500 micron Risers III: a small complete sample
    Herschel surveys have found large numbers of sources with red far-IR colours, and spectral energy distributions (SEDs) rising from 250 to 500 µm: 500 risers...
  • Publication
    The nature of arms in spiral galaxies. II. The sample
    We present here the results of an imaging study of eight grand-design and two intermediate-arm galaxies, based on CCD observations in U, B, V, R and I. We give...
  • Publication
    The nature of arms in spiral galaxies. I - Azimuthal colour profiles of NGC 7479 and NGC 1832
    A set of parameters to characterize azimuthal profiles of galaxies is proposed and applied to the spiral structure of the galaxies NGC 1832 and NGC 7479...
  • Publication
    The nature of arms in spiral galaxies. III. Azimuthal profiles
    In this paper we analyse the structure of a small sample of galaxies using a set of CCD images in standard photometric bands presented in a previous paper (del...
  • Publication
    The nature of arms in spiral galaxies. IV. Symmetries and asymmetries
    A Fourier analysis of the intensity distribution in the planes of nine spiral galaxies is performed. In terms of the arm classification scheme of cite[Elmegreen...
  • Publication
    The nature of ASASSN-24fw's occultation: modelling the event as dimming by optically thick rings around a substellar companion
    ASASSN-24fw, monitored by the All-Sky Automated Survey for SuperNovae, underwent a rapid and deep dimming event beginning in late 2024 and lasting until 2025...
  • Publication
    The Nature of Close Companions of the BL Lacertae Objects 1ES 0502+675 and 1ES 1440+122
    We report on deep radio images and optical spectroscopy of two BL Lac objects that have very close compact companions. The two targets, 1ES 0502+675 and 1ES...