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Spectrophotometric study in the near-ir of a sample of MIPS selected galaxies at Z~2



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Sánchez de Miguel, Alejandro and Gallego Maestro, Jesús and Pérez González, Pablo Guillermo and Cardiel López, Nicolás and Zamorano Calvo, Jaime and Guzmán, R. and González, A. and Gruel, N. (2013) Spectrophotometric study in the near-ir of a sample of MIPS selected galaxies at Z~2. In Fourth science meeting with the GTC. Universidad Nacional Autónoma Mexico, Instituto Astronomía, p. 103. ISBN 978-607-02-4281-6

[thumbnail of perezgonzalez25libre.pdf]

Official URL: http://www.astroscu.unam.mx/rmaa/RMxAC..42/PDF/RMxAC..42_asanchez.pdf


Our main objective is to determine what kind of galaxies dominate the cosmic SFR density at z~2. Our sample consists of 24 galaxies in Chandra Deep Field South, a unique field for the study of galaxy evolution (12 observed with GNIRS/GEMINI and 12 with ISAAC/VLT). We use H alpha together with the already merged X-ray, ultraviolet, optical, near and mid-infrared imaging data to obtain estimations of SFRs, metallicities, stellar and dynamical masses, AGN activity, and extinction properties. We have obtained 15 Hα detections, 4 rotation curves, and SFR relationship for 7 galaxies. The metallicities obtained for 8 galaxies of the sample are compatible with the metallicities of local galaxies.

Item Type:Book Section
Additional Information:

© 2013 Instituto de Astronomía, UNAM.
Science with the GTC Meeting (4º. 2011. Santa Cruz La Palma, España).

Uncontrolled Keywords:Mass-metallicity relation; Star-forming galaxies
Subjects:Sciences > Physics > Astrophysics
Sciences > Physics > Astronomy
ID Code:38450
Deposited On:20 Jul 2016 16:29
Last Modified:10 Dec 2018 15:05

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