Astrophysical: Galaxies

  • Publication
    Gemini 3D spectroscopy of BAL+IR+FeII QSOs - II. IRAS 04505-2958, an explosive QSO with hypershells and a new scenario for galaxy formation and galaxy end phase
    From a study of broad absorption line (BAL) + infrared (IR) + FeII quasi-stellar objects (QSOs) [using deep Gemini Multi-Object Spectrograph Integral Field Unit...
  • Publication
    Gemini GMOS/IFU spectroscopy of NGC 1569 - I. Mapping the properties of a young star cluster and its environment
    We present Gemini-North GMOS/IFU observations of a young star cluster and its environment near the centre of the dwarf irregular starburst galaxy NGC 1569. This...
  • Publication
    Gemini GMOS/integral field unit spectroscopy of NGC 1569 - II. Mapping the roots of the galactic outflow
    We present a set of four Gemini-North Multi-Object Spectrograph/integral field unit (IFU) observations of the central disturbed regions of the dwarf irregular...
  • Publication
    Gemini K-band NIRI Adaptive Optics Observations of massive galaxies at 1 < z < 2
    We present deep K-band adaptive-optics observations of eight very massive (M* ~ 4 × 1011Msolar) galaxies at 1 z 2 utilizing the Gemini NIRI/Altair Laser Guide...
  • Publication
    Gemini/GMOS imaging of globular cluster systems in five early-type galaxies
    In this paper, we present deep high-quality photometry of globular cluster systems (GCSs) belonging to five early-type galaxies, covering a range of mass and...
  • Publication
    Gemini/GMOS imaging of globular clusters in the Virgo galaxy NGC 4649 (M60)
    We present Sloan g and i imaging from the Gemini Multi-object Spectrograph (GMOS) instrument on the Gemini North telescope for the globular cluster (GC) system...
  • Publication
    Gemini/GMOS spectra of globular clusters in the Leo group elliptical NGC 3379
    The Leo group elliptical NGC 3379 is one of the few normal elliptical galaxies close enough to make possible observations of resolved stellar populations, deep...
  • Publication
    Gemini/GMOS spectra of globular clusters in the Virgo giant elliptical NGC 4649
    NGC 4649 (M60) is one of a handful of giant Virgo ellipticals. We have obtained Gemini/GMOS (Gemini North Multi-Object Spectrograph) spectra for 38 globular...
  • Publication
    Gemini/GMOS spectroscopy of the spheroid and globular cluster system of NGC 3923
    We present a technique to extract ultra-deep diffuse-light spectra from the standard multi-object spectroscopic observations used to investigate extragalactic...