Abstract
view Abstract Citations (148) References (25) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The nature of QSO redshifts. Stockton, A. Abstract For a group of 27 QSOs comprising virtually all objects in the catalog of Burbidge, Crowne, and Smith (1977) with z at least 0.45, listed apparent visual magnitudes less than 19.12 + 5 log z, and declinations of -15 to + 55 deg, a program of spectroscopy of all galaxies brighter than the red Sky Survey limit and within 45 arcsec radius of each QSO has been undertaken. Redshifts have been obtained for 25 of the 29 galaxies, and 13 galaxies in eight fields have redshifts within 1000 km/s of that of the QSO in the field. The chance probability of eight or more such agreements, evaluated from the redshift distribution of the total sample of galaxies, is shown to be less than 1.5 in a million, making the cosmological nature of QSO redshifts a virtual certainty. The possibility that two distinct types of QSO exist, one having noncosmological redshifts, is discussed briefly and found to be extremely unlikely. Publication: The Astrophysical Journal Pub Date: August 1978 DOI: 10.1086/156308 Bibcode: 1978ApJ...223..747S Keywords: Astronomical Spectroscopy; Cosmology; Galactic Radiation; Quasars; Red Shift; Doppler Effect; Gravitational Effects; Luminous Intensity; Sky Surveys (Astronomy); Spectral Energy Distribution; Astrophysics; Cosmology:Quasars; Quasars:Redshifts full text sources ADS | data products SIMBAD (55) NED (2)
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