Possible effect of misidentification of QSOs on the redshift distribution

Details Possible effect of misidentification of QSOs on the redshift distribution Possible effect of misidentification of QSOs on the redshift distribution

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apl....16...53b&link_type=abstract

Astrophysical Letters, vol. 16, no. 2, 1975, p. 53-55. Research supported by FAPESP.

Astronomy and Astrophysics

Astrophysics

19

Main Sequence Stars, Quasars, Red Shift, Stellar Spectra, Ubv Spectra, Emission Spectra, Line Spectra, Radio Spectra, Spectrum Analysis

Scientific paper

The emission lines of QSOs on entering the U, B, V filters may change the (U-B) and (B-V) color indices of the objects such that these indices have values similar to those of main sequence stars. Some QSOs will thus be lost due to misidentification and may account for some of the 'holes' in the redshift (z) distribution. It is shown that this effect is important at z greater than 0.7.

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