Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...285..555a&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 285, Oct. 15, 1984, p. 555-566.
Astronomy and Astrophysics
Astronomy
14
Astronomical Coordinates, Local Group (Astronomy), Quasars, Cosmology, Hubble Diagram, Magnitude, Red Shift, Space Density, Spectral Line Width
Scientific paper
New measures of quasars in the -35 deg declination zone in the Sculptor Group region are analyzed together with previous measurements in the -40 deg zone. The parameters of location in the sky, apparent magnitude, redshift, and equivalent width are analyzed from the standpoint of whether or not there exist significant groupings of quasars in these regions of the sky. It is shown that quasars in this association have different properties from quasars in adjoining regions. In particular, they contain a higher percentage of quasars with strong lines and high redshifts and show a well-defined Baldwin relation. The failure to observe Baldwin relations in other directions, the different distribution of redshifts in the Sculptor Group region, and the backward-running Hubble relation in the -40 deg declination zone are all evidence against the cosmological or redshift distance for these quasars.
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