Tipo de publicación: Con árbitro

  • Publicación
    CCD Photometry of the RR Lyrae Stars in NGC4147
    We report the results of CCD V and R photometry of the RRstars known in NGC4147. The periodicities of most variables are revised and new ephemerides are...
  • Publicación
    CCD Surface Photometry of Southern Galaxies in BVRI
    ABSTRACT: B, V, R, and I CCD frames were obtained for the Southern Galaxies NGC 5757, and IC 1091. The frames were analysed to derive standard photometric and...
  • Publicación
    CCD surface photometry of the low-luminosity radio galaxies containing radio jets B2 0034 + 25 and B2 0206 + 35
    CCD imaging of low-luminosity radio galaxies to detect the optical counterparts of radio jets is described in terms of the surface-photometry procedure and the...
  • Publicación
    CCD surface photometry of three low-luminosity radio galaxies containing radio jets
    Results of CCD photometry of the three low-luminosity radio galaxies which contain jets at the kpc scale: B2 0836 + 29, B2 2116 + 26, and B2 2236 + 35 are...
  • Publicación
    CCD UBVR photometry of the old rich open cluster King 2 - Comparison with theoretical models
    In this paper we present the Johnson-Cousins UBVR CCD photometry of the stars in King 2, an old open cluster towards the galactic anticenter. We have obtained...
  • Publicación
    CCD UBVR photometry of two old open clusters: King 11 and Be42 - Comparison with theoretical models
    This paper presents the Johnson-Cousins UBVR CCD photometry of two old rich open clusters toward the galactic anticenter: King 11 and Be 42. Included are the...
  • Publicación
    CCD-based observations of PG 0856+121 and a theoretical analysis of its oscillation modes
    BVRI CCD-based and near-IR (J) imaging, together with unfiltered photometry of the hot subdwarf B star PG 0856+121, are reported. Two close, faint, red, point...
  • Publicación
    CEERS Key Paper. I. An Early Look into the First 500 Myr of Galaxy Formation with JWST
    We present an investigation into the first 500 Myr of galaxy evolution from the Cosmic Evolution Early Release Science (CEERS) survey. CEERS, one of 13 JWST ERS...
  • Publicación
    CEERS Key Paper. II. A First Look at the Resolved Host Properties of AGN at 3 < z < 5 with JWST
    We report on the host properties of five X-ray-luminous active galactic nuclei (AGN) identified at 3 < z < 5 in the first epoch of imaging from the Cosmic...