Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.207..393s&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 207, March 15, 1984, p. 393-404.
Astronomy and Astrophysics
Astronomy
24
Astronomical Spectroscopy, Emission Spectra, Line Spectra, Quasars, Ultraviolet Spectra, Astrometry, Evolution (Development), Photographic Plates, Red Shift, Spatial Distribution
Scientific paper
The results of a visual search for emission line and UV continuum objects on United Kingdom Schmidt telescope (UKST) objective prism plates are presented. 325 QSO candidates were found. Finding charts are given for all the QSO candidates. Redshifts estimated from the objective prism plate have been assigned to 243 of the objects and BJ magnitudes are given for most of the QSO candidates. N(m) and N(z) distributions are presented for these candidates and for all those from the 100 square degrees now searched on UKST objective prism plates. The slope of the cumulative counts with magnitude is 0.80 over the range 18.0 - 19.5 mag implying a similar form of evolution to that of radio sources.
Chen Jiahua
Savage Alistair
Trew A. S.
Weston Tom
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