Abstract
view Abstract Citations (26) References (37) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A preliminary mapping of the extragalactic velocity field near the plane of the local supercluster de Vaucouleurs, G. ; Peters, W. L. Abstract The extragalactic velocity field is mapped within about 30 Mpc from the Galaxy and 5 or 10 Mpc from the supergalactic plane. A highly selected sample is used, consisting of about 500 'best observed' galaxies of all types having distance moduli in the range of 26.3 to 32.3 (2 to 32 Mpc) derived from one to four distance indicators with standard errors of 0.3 to 0.6 mag. Maps of the velocity departures from the ideal uniform-isotropic Hubble expansion and of the apparent Hubble ratio are presented. A strong quadrupole anisotropy is clearly in evidence. None of the currently discussed models of the velocity field within the Local Supercluster and in its vicinity gives a quantitative representation of the observed field. Publication: The Astrophysical Journal Pub Date: October 1985 DOI: 10.1086/163500 Bibcode: 1985ApJ...297...27D Keywords: Astrometry; Astronomical Maps; Galactic Clusters; Intergalactic Media; Local Group (Astronomy); Velocity Distribution; Hubble Diagram; Milky Way Galaxy; Red Shift; Astrophysics full text sources ADS |
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