Astrophysical: Photometry

  • Publication
    The structure of the barred galaxy NGC253: target of the VISTA and VST Science Verification extragalactic mini-survey.
    The Sculptor Galaxy NGC253 is a nearby barred Sc galaxy seen nearly edge-on and it has been the target of the Science Verification (SV) for the new ESO survey...
  • Publication
    The synchronized dance of the magellanic clouds' star formation history
    We use the SMASH survey to obtain unprecedented deep photometry reaching down to the oldest main-sequence turn-offs in the colour-magnitude diagrams (CMDs) of...
  • Publication
    The TESS-Keck Survey: Science Goals and Target Selection
    The Kepler and TESS missions have demonstrated that planets are ubiquitous. However, the success of these missions heavily depends on ground-based radial...
  • Publication
    The Thick Disk in the Galaxy NGC 4244 from S4G Imaging
    If thick disks are ubiquitous and a natural product of disk galaxy formation and/or evolution processes, all undisturbed galaxies that have evolved during a...
  • Publication
    The Tilt of the Fundamental Plane: Three-Quarters Structural Nonhomology, One-Quarter Stellar Population
    The variation of the mass-to-light M/L ratios of early-type galaxies as a function of their luminosities L is investigated. It is shown that the tilt β=0.27 (in...
  • Publication
    The Unusual Vertical Mass Distribution of NGC 4013 Seen through the Spitzer Survey of Stellar Structure in Galaxies (S4G)
    NGC 4013 is a nearby Sb edge-on galaxy known for its "prodigious" H I warp and its "giant" tidal stream. Previous work on this unusual object shows that it...
  • Publication
    The V-band luminosity function of galaxies in A2151
    We present a wide field V-band imaging survey of approximately 1 deg2 (~7.2~h-275 Mpc2) in the direction of the nearby cluster of galaxies Abell 2151 (the...
  • Publication
    The Visual Light Curve Of C/1995 O1 (Hale-Bopp) From Discovery To Late 1997
    We present a light curve of C/1995 O1 (Hale-Bopp) compiledfrom more than 3000 visual observations of the comet made by members of the The Astronomer Group world...
  • Publication
    The Westerbork HI survey of spiral and irregular galaxies. II. R-band surface photometry of late-type dwarf galaxies
    R-band surface photometry is presented for 171 late-type dwarf and irregular galaxies. For a subsample of 46 galaxies B-band photometry is presented as well. We...