4,185 datasets found

Keywords: Galaxies

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  • T1C photometry of NGC7507

    There is strong evidence that globular cluster systems (GCSs) of massive galaxies are largely assembled by infall/accretion processes. Therefore, we expect the GCSs of isolated...
  • NGC 6824 and UGC 11919 data cubes

    We discuss the results of a mass decomposition of two spiral galaxies, NGC 6824 and UGC 11919. In a previous analysis of the Hyperleda catalog, the galaxies were identified as...
  • Six fossil central galaxies reduced spectra

    Fossil galaxy groups are speculated to be old and highly evolved systems of galaxies that formed early in the universe and had enough time to deplete their L* galaxies through...
  • Star forming regions in HST galaxies sample

    The presence of small- and large-scale star formation structures in a sample of six spiral Hubble Space Telescope (HST) galaxies is investigated to identify small structures of...
  • Dust effects on photometric parameters in spirals

    We present results of a study made to quantify the effects of dust on the derived photometric parameters of disks (old and young stellar disks) and bulges: disk scale-lengths,...
  • XMM sources in M83 (NGC5236)

    We present the results obtained from the analysis of three XMM-Newton observations of M83. The aims of the paper are studying the X-ray source populations in M83 and calculating...
  • M100 (NGC4321) HII region IRAC photometry

    We systematically study the relations between the H{alpha} luminosity and the near-IR luminosity and temperature of a set of selected HII regions in the disc of M100. By using...
  • 454 VCC galaxies revised coordinates

    We study the dust content of a large optical input sample of 910 early-type galaxies (ETG) in the Virgo cluster, also extending to the dwarf ETG, and examine the results in...
  • Radio-farIR correlation in NGC 6946

    We derive the distribution of the synchrotron spectral index across NGC 6946 and investigate the correlation between the radio continuum (synchrotron) and far-infrared (FIR)...
  • SEDs of M33 HII regions

    Within the framework of the Herschel M33 extended survey HerM33es and in combination with multi-wavelength data we study the spectral energy distribution (SED) of a set of HII...
  • Activity of the Seyfert galaxy neighbours

    Spectra and spectral classification of all Seyfert galaxy neighbours. Optical spectra were taken with the Boller & Chivens spectrograph mounted on the 2.1m telescope at the...
  • Abundances of PNe in NGC 300

    We have obtained deep spectroscopy of 26 planetary nebulae (PNe) and 9 compact HII regions in the nearby spiral galaxy NGC 300, and analyzed them together with the giant HII...
  • NGC 1316 BVI images

    The distance of NGC1316, the brightest galaxy in the Fornax cluster, provides an interesting test for the cosmological distance scale. First, because Fornax is the second...
  • Nebular emission from z=~2-3 star-forming galaxies

    To investigate the ingredients, which allow star-forming galaxies to present Ly{alpha} line in emission, we studied the kinematics and gas phase metallicity of the interstellar...
  • Galaxy clusters in XMM field within CFHT-LS D4

    The XMM-Newton Distant Cluster Project (XDCP) aims at the identification of a well defined sample of X-ray selected clusters of galaxies at redshifts z>0.8. As part of this...
  • HST photometry in NGC 6822

    On the basis of a new photometric analysis of the Local Group dwarf irregular galaxy NCG 6822 based on observations obtained with the Advanced Camera for Surveys onboard the...
  • PMN J0948+0022 radio-to-gamma-ray monitoring

    We present more than three years of observations at different frequencies, from radio to high-energy gamma-rays, of the Narrow-Line Seyfert 1 (NLS1) Galaxy PMN J0948+0022...
  • Extended stellar objects in galaxies

    In the last decade, very extended old stellar clusters with masses in the range from a few 10^4^ to 10^8^M_{sun} and effective radii larger than 10pc have been found in various...
  • Velocities and BR photometry of Abell 1995

    Abell 1995 is a puzzling galaxy cluster hosting a powerful radio halo, but it has not yet been recognized as a obvious cluster merger, as usually expected for clusters with...
  • NIR spectrum of NGC1705-1

    We study the near-infrared properties of the super star cluster NGC1750-1 to constrain its spatial extent, its stellar population, and its age. Associated data
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