The ESO Key-Programme ``A Homogeneous Bright QSO Survey'' - I The Methods and the ``Deep'' Fields

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dc.creatorCristiani, S.
dc.creatorLa Franca, F.
dc.creatorAndreani, P.
dc.creatorGemmo, A.
dc.creatorGoldschmidt, P.
dc.creatorMiller, L.
dc.creatorVio, R.
dc.creatorBarbieri, C.
dc.creatorBodini, L.
dc.creatorIovino, A.
dc.creatorLazzarin, M.
dc.creatorClowes, R.
dc.creatorMacGillivray, H.
dc.creatorGouiffes, Ch.
dc.creatorLissandrini, C.
dc.creatorSavage, A.
dc.date1995-05-29
dc.date.accessioned2026-07-07T02:19:49Z
dc.date.available2026-07-07T02:19:49Z
dc.descriptionThis is the first paper in a series aimed at defining a statistically significant sample of QSOs in the range $ 15 < B < 18.75$ and $ 0.3 < z < 2.2$. The selection is carried out using direct plates obtained at the ESO and UK Schmidt Telescopes, scanned with the COSMOS facility and searched for objects with an ultraviolet excess. Follow-up spectroscopy, carried out at ESO La Silla, is used to classify each candidate. In this initial paper, we describe the scientific objectives of the survey; the selection and observing techniques used. We present the first sample of 285 QSOs ($M_B < -23$) in a 153 deg$^2$ area, covered by the six ``deep'' fields, intended to obtain significant statistics down $B \simeq 18.75$ with unprecedented photometric accuracy. From this database, QSO counts are determined in the magnitude range $ 17 < B < 18.75$.
dc.description21 pages uuencoded compressed postscript, to appear in Astronomy and Astrophysics Supplements, 1995
dc.identifierhttps://arxiv.org/abs/astro-ph/9505133
dc.identifierhttp://arxiv.org/abs/astro-ph/9505133
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/10015
dc.subjectAstrophysics
dc.titleThe ESO Key-Programme ``A Homogeneous Bright QSO Survey'' - I The Methods and the ``Deep'' Fields
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