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Lyman break and ultraviolet-selected galaxies at z ~ 1 - II. PACS 100μm/160μm FIR detections

Opened Access Lyman break and ultraviolet-selected galaxies at z ~ 1 - II. PACS 100μm/160μm FIR detections

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Autor: Oteo, I.
Magdis, Georgios E.
Pérez García, Ana M.
Cepa, Jordi P.
Cedrés, Bernabé
Ederoclite, Alessandro
Sánchez-Portal, Miguel
Aguerri, José Alfonso López
Alfaro, E. J.
Cabrera Caño, Jesús María
Fecha: 2013
Publicado en: Monthly Notices of the Royal Astronomical Society, 435 (1), 158-186.
Tipo de documento: Artículo
Resumen: In this work, we report the Photodetector Array Camera and Spectrometer (PACS) 100 μm/160 μm detections of a sample of 42 GALEX-selected and far-infrared (FIR)-detected Lyman break galaxies (LBGs) at z ~ 1 located in the Cosmic Evolution Survey (COSMOS) field and analyse their ultraviolet (UV) to FIR properties. The detection of these LBGs in the FIR indicates that they have a dust content high enough so that its emission can be directly detected. According to a spectral energy distribution (SED) fitting with stellar population templates to their UV-to-near-IR observed photometry, PACS-detected LBGs tend to be bigger (Reff ~ 4.1 kpc), more massive [log (M*/M⊙) ~ 10.7], dustier [Es(B - V) ~ 0.40], redder in the UV continuum (β ~ -0.60) and UV-brighter [log (LUV/L⊙) ~ 10.1] than PACSundetected LBGs. PACS-detected LBGs at z ~ 1 are mostly disc-like galaxies and are located over the green valley and red sequence of the colour-magnitude diagram of galaxies at their redshift. By using their...
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Cita: Oteo, I., Magdis, G.E., Pérez García, A.M., Cepa, J.P., Cedrés, B., Ederoclite, A.,...,Cabrera Caño, J.M. (2013). Lyman break and ultraviolet-selected galaxies at z ~ 1 - II. PACS 100μm/160μm FIR detections. Monthly Notices of the Royal Astronomical Society, 435 (1), 158-186.
Tamaño: 3.873Mb
Formato: PDF

URI: https://hdl.handle.net/11441/71330

DOI: 10.1093/mnras/stt1244

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