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Multiwavelength Mapping of Galaxy Formation and Evolution pp 382–383Cite as

On the Dearth of Low-Luminosity, High-Redshift Quasars

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Part of the ESO Astrophysics Symposia book series (ESO)

Abstract

The GOODS Team [2] presented a sample of 17 high-redshift QSO candidates from the GOODS fields with 3.5 < z < 5.2. The number counts of their z > 4 quasar revealed a dearth of low-luminosity objects both with respect to naive Pure Luminosity Evolution (PLE) predictions and to models based on the statistic of major mergings of dark matter halos (DMHs) [5]. A Pure Density Evolution (PDE) prediction of the quasar luminosity function (LF) at z ~ 2.7 [1] appeared able to reproduce both the SDSS counts and the GOODS number counts.

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Authors and Affiliations

  1. Dipartimento di Astronomia, Università di Trieste, Italy

    F. Fontanot & P. Monaco

  2. Osservatorio Astronomico di Trieste, INAF, Italy

    G. Taffoni, S. Cristiani & M. Nonino

Authors
  1. F. Fontanot
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  2. P. Monaco
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  3. G. Taffoni
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  4. S. Cristiani
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  5. M. Nonino
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Alvio Renzini Ralf Bender

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Fontanot, F., Monaco, P., Taffoni, G., Cristiani, S., Nonino, M. On the Dearth of Low-Luminosity, High-Redshift Quasars. In: Renzini, A., Bender, R. (eds) Multiwavelength Mapping of Galaxy Formation and Evolution. ESO Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10995020_71

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  • DOI: https://doi.org/10.1007/10995020_71

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-25665-6

  • Online ISBN: 978-3-540-31641-1

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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