Deconstructing the K-band number counts



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Barro, Guillermo and Gallego Maestro, Jesús and Pérez González, Pablo Guillermo and Eliche Moral, María del Carmen and Balcells, M. and Villar, V. and Cardiel López, Nicolás and Cristobal Hornillos, D. and Gil de Paz, Armando and Guzmán, R. and Pelló, R. and Prieto, M. and Zamorano Calvo, Jaime (2010) Deconstructing the K-band number counts. Highlights of Spanich Astrophysics . p. 259. ISSN 1570-6591

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We present a study that links the NCs to the rest-frame luminosity functions (LFs) at the passbands probed by the observed K-band at different epochs. Making use of a large K-band selected sample in the Groth Field, HDFN and CDFS (∼0.27deg^(2)), we have derived highly reliable photometric redshift estimates that allow us to estimate LFs in the redshift range [0.25-1.25]. We find that the larger flattening in the slope of the K-band NCs is mostly a consequence of a prominent decrease in the characteristic density (φ∗) around z∼1, and an almost flat evolution of M∗.

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© Springer-Verlag Berlin Heidelberg 2010. Scientific Meeting of the Spanish-Astronomical-Society (SEA) (8th; 2008; Santander-SPAIN)

Uncontrolled Keywords:Astronomy; Astrophysics
Subjects:Sciences > Physics > Astrophysics
ID Code:59841
Deposited On:15 Apr 2020 08:45
Last Modified:15 Apr 2020 08:45

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