The Hamburg Quasar Survey. III. Further new bright quasars

Details The Hamburg Quasar Survey. III. Further new bright quasars The Hamburg Quasar Survey. III. Further new bright quasars

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26as..134..483h&link_type=abstract

Astronomy and Astrophysics Supplement, v.134, p.483-487

Astronomy and Astrophysics

Astrophysics

32

Surveys, Quasars: General

Scientific paper

We present a further list of 274 bright QSOs, 106 (195) of which have B<~ 17 (17.5), selected semiautomatically from objective prism plates taken with the Calar Alto 80 cm Schmidt telescope. All QSOs have been confirmed by follow-up spectroscopy and we display their flux-calibrated spectra. We also discuss the completeness of our search technique and demonstrate that for 0.1 <= z < 3.2 and B <= 17 we have been able to recover roughly 85% of known QSOs; 10% were lost due to overlaps while 5% were lost during the selection process. In particular the bright z >= 2 QSOs (17 with B <~ 17) are potential targets for follow-up spectroscopy both at high-resolution from the ground and in the ultraviolet from space. Based on observations obtained at the German-Spanish Astronomical Center, Calar Alto, Spain, operated by the Max-Planck-Institut für Astronomie, Heidelberg, jointly with the Spanish National Commission for Astronomy and at the European Southern Observatory, La Silla, Chile. Table 3 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html. Figure 3 is only available at the journal http://www.edpsciences.com.

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