/ftp/cats/aliases/K/./KPA2012



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J/ApJ/759/139  Herschel & MIPS photometry of GOODS sources  (Kirkpatrick+, 2012)
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	table4.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/ApJ/759/139
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Beginning of ReadMe : J/ApJ/759/139 Herschel + MIPS photometry of GOODS sources (Kirkpatrick+, 2012) ================================================================================ GOODS-Herschel: impact of active galactic nuclei and star formation activity on infrared spectral energy distributions at high redshift. Kirkpatrick A., Pope A., Alexander D.M., Charmandaris V., Daddi E., Dickinson M., Elbaz D., Gabor J., Hwang H.S., Ivison R., Mullaney J., Pannella M., Scott D., Altieri B., Aussel H., Bournaud F., Buat V., Coia D., Dannerbauer H., Dasyra K., Kartaltepe J., Leiton R., Lin L., Magdis G., Magnelli B., Morrison G., Popesso P., Valtchanov I. <Astrophys. J., 759, 139 (2012)> =2012ApJ...759..139K ================================================================================ ADC_Keywords: Photometry, millimetric/submm ; Galaxies, IR ; Redshifts ; Active gal. nuclei ; Surveys Keywords: dust, extinction; galaxies: active; galaxies: evolution; galaxies: star formation; infrared: galaxies Abstract: We explore the effects of active galactic nuclei (AGNs) and star formation activity on the infrared (0.3-1000mum) spectral energy distributions (SEDs) of luminous infrared galaxies from z=0.5 to 4.0. We have compiled a large sample of 151 galaxies selected at 24mum (S_24_> 100muJy) in the GOODS-N and ECDFS fields for which we have deep Spitzer IRS spectroscopy, allowing us to decompose the mid-IR spectrum into contributions from star formation and AGN activity. A significant portion ( 25%) of our sample is dominated by an AGN (>50% of the mid-IR luminosity) in the mid-IR. Based on the mid-IR classification, we divide our full sample into four sub-samples: z 1 star-forming (SF) sources, z 2 SF sources, AGNs with clear 9.7mum silicate absorption, and AGNs with featureless mid-IR spectra. From our large spectroscopic sample and wealth of multi-wavelength data, including deep Herschel imaging at 100, 160, 250, 350, and 500mum, we use 95 galaxies with complete spectral coverage to create a composite SED for each sub-sample. We then fit a two-temperature component modified blackbody to the SEDs. We find that the IR SEDs have similar cold dust temperatures, regardless of the mid-IR power source, but display a marked difference in the warmer dust temperatures. We calculate the average effective temperature of the dust in each sub-sample and find a significant ( 20K) difference between the SF and AGN systems. We compare our composite SEDs to local templates and find that local templates do not accurately reproduce the mid-IR features and dust temperatures of our high-redshift systems. High-redshift IR luminous galaxies contain significantly more cool dust than their local counterparts. We find that a full suite of photometry spanning the IR peak is necessary to accurately account for the dominant dust temperature components in high-redshift IR luminous galaxies. Description: Our sample consists of 151 high-redshift galaxies from the Great Observatories Origins Deep Survey North (GOODS-N) and Extended Chandra Deep Field Survey (ECDFS) fields. We include all sources in these fields that were observed with the Spitzer Infrared Spectrograph (IRS). The GOODS fields have been extensively surveyed and are rich in deep multi-wavelength data, including Chandra 2Ms X-ray observations, 3.6, 4.5, 5.8, and 8.0um imaging from the Infrared Array Camera (IRAC) on Spitzer, IRS peak-up observations at 16um, and MIPS imaging at 24 and 70um (Magnelli et al. 2011A&A...528A..35M). Recently, GOODS-N and GOODS-S have been surveyed with the GOODS-Herschel Open Time Key Program (P.I. David Elbaz; Elbaz et al. 2011, Cat. J/A+A/533/A119) using both the PACS and SPIRE instruments, providing deep photometry at five far-IR and submillimeter wavelengths: 100, 160, 250, 350, and 500um.