Astrophysical: Galaxies

  • Publication
    Photoionization of the Diffuse Interstellar Gas in Spirals by Lyman Photons Escaping from H II Regions
    The existence of an extended component of diffuse ionized gas (DIG) is a well-known property of spiral galaxies. The integrated ensuremath {{H}alpha }...
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    Photometric analysis of Abell 1689
    We carried out a photometric analysis of a sample of early-type galaxies in Abell~1689 at z = 0.183, using HST/ACS archive images in the rest-frame V band. We...
  • Publication
    Photometric and colorimetric studies of target objects using small and medium-size telescopes
    We report on follow-up studies of transient events and objects, which have been conducted in recent years using ground-based optical observations. BVRI...
  • Publication
    Photometric and Spectroscopic Study of the Shakhbazian Compact Galaxy Groups ShCG 31 ShCG 38, ShCG 43, and ShCG 282
    Shakhbazian compact galaxy groups are the most dense configurations known. A few years ago we commenced a detailed spectral and photometric study of these...
  • Publication
    Photometric and Spectroscopic Study of the Shakhbazian Compact Galaxy Groups ShCG74 ShCG188, ShCG251, and ShCG348
    We continue the presentation of the results of detailed spectroscopic and photometric study of Shakhbazian compact galaxy groups. They belong to the interesting...
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    Photometric Decomposition of Mergers in Disk Galaxies
    Several observational studies and numerical simulations suggest that mergers must contribute to the evolution of galaxies; however, the role that they play is...
  • Publication
    Photometric properties and origin of bulges in SB0 galaxies
    We have derived the photometric parameters for the structural components of a sample of fourteen SB0 galaxies by applying a parametric photometric decomposition...
  • Publication
    Photometric Properties of the M33 Star Cluster System
    We present a catalog of 2990 extended sources in a 1° × 1° area centered on M33 using the MegaCam camera on the 3.6 m Canada-France-Hawaii Telescope. The...
  • Publication
    Photometric redshifts in the SWIRE Survey
    We present the SWIRE Photometric Redshift Catalogue 1025119 redshifts of unprecedented reliability and of accuracy comparable with or better than previous work...