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Optimizing Galaxy Photometry for High-Redshift Sources

The Galaxy Morphology-Density Relation at High Redshift with CANDELS

The Galaxy Morphology-Density Relation at High Redshift with CANDELS

... the galaxy template (like age, stellar mass, dust extinction, and so ...the redshift can be fixed to a value given by the user, or left free to ...each photometry band, and optionally applies a cut ...

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The detection and X-ray evolution of galaxy groups at high redshift

The detection and X-ray evolution of galaxy groups at high redshift

... Only the central region of the PSPC field, at off-axis angles , 15 arcmin, was used. A total of 96 sources above a flux limit of 2 £ 10 215 erg cm 22 s 21 ð0 : 5 – 2 keVÞ were detected. The HRI observations were ...

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Characterization and Modeling of Contamination for Lyman Break Galaxy Samples at High Redshift

Characterization and Modeling of Contamination for Lyman Break Galaxy Samples at High Redshift

... to galaxy-like sources and to Gaussian ...with high angular resolution, but it might affect ground-based surveys that do not have the ability to discriminate between compact galaxies and ...

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A search for faint high-redshift radio galaxy candidates at 150 MHz

A search for faint high-redshift radio galaxy candidates at 150 MHz

... Two sources in our sample lie in well-studied extragalac- tic fields that have deeper multiwavelength data ...these sources lies in the Lockman Hole ...photometric redshift to be z = ...

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A search for faint high-redshift radio galaxy candidates at 150 MHz

A search for faint high-redshift radio galaxy candidates at 150 MHz

... Two sources in our sample lie in well-studied extragalac- tic fields that have deeper multiwavelength data ...these sources lies in the Lockman Hole ...photometric redshift to be z = ...

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Statistics in large galaxy redshift surveys

Statistics in large galaxy redshift surveys

... DR12 galaxy spectra, selected around z = ...a redshift in the range ...PAUS-like redshift errors, as defined in Section ...include photometry errors, as first we want to check if PAUCam has ...

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X-ray observations of high redshift active galactic nuclei and galaxy clusters

X-ray observations of high redshift active galactic nuclei and galaxy clusters

... eir high far-IR ...SCUBA sources th a t show no evidence of X-ray ...SCUBA sources th en th e scenario outlined above will need to be modified, as it is possible for th e entire sub-m m lum inosity ...

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LOFAR Discovery of a Radio Halo in the High-redshift Galaxy Cluster PSZ2 G099.86+58.45

LOFAR Discovery of a Radio Halo in the High-redshift Galaxy Cluster PSZ2 G099.86+58.45

... of high-redshift RHs has been limited by the need for radio observations with high sensitivity to steep spectrum emission and high resolution in order to adequately distinguish the emission ...

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The 6C** sample of steep-spectrum radio sources: II - Redshift distribution and the space density of high-redshift radio galaxies

The 6C** sample of steep-spectrum radio sources: II - Redshift distribution and the space density of high-redshift radio galaxies

... K-band photometry and spectroscopic redshifts for 32 per cent of the ...complete redshift distribution, we develop a method of redshift estimation based on the K − z diagram of the 3CRR, 6CE, 6C* and ...

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Multifrequency filter search for high redshift sources and lensing systems in Herschel -ATLAS

Multifrequency filter search for high redshift sources and lensing systems in Herschel -ATLAS

... robust high-z sample that sought to select bright objects in all bands, among which the probability of find- ing lensed systems is relatively high, now we pursue faint high-z ...ground sources ...

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An investigation of machine-learning algorithms for the estimation of galaxy redshift

An investigation of machine-learning algorithms for the estimation of galaxy redshift

... few redshift sources. Without any modifications to the data, the high-redshift observations are inherently unlikely to be estimated within acceptable error ...binned redshift data, ...

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A new method for classifying galaxy SEDs from multiwavelength photometry

A new method for classifying galaxy SEDs from multiwavelength photometry

... with high metallicity and old mean stellar age; post-starburst galaxies which have formed 10 per cent of their mass in a recent unsustained starburst event; and metal-poor quiescent dwarf ...

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Comparing molecular gas across cosmic time-scales: the Milky Way as both a typical spiral galaxy and a high-redshift galaxy analogue

Comparing molecular gas across cosmic time-scales: the Milky Way as both a typical spiral galaxy and a high-redshift galaxy analogue

... original sources due to using the definition from Bertoldi & McKee ...the high- z galaxies, H2 and stellar masses are obtained from these profiles by integration to ...

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The Future Landscape of High-Redshift Galaxy Cluster Science

The Future Landscape of High-Redshift Galaxy Cluster Science

... enabling galaxy cluster science is a sky survey on which cluster find- ing can be systematically performed, ideally over a large sky area and wide range in ...in redshift, with only their sensitivity ...

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What are protoclusters? – Defining high redshift galaxy clusters and protoclusters

What are protoclusters? – Defining high redshift galaxy clusters and protoclusters

... with high-redshift clusters using the Millennium Simulation combined with a semi-analytic ...a high-redshift cluster or group, is only a minor feature of the protocluster, containing less than ...

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The Redshift Completeness of Local Galaxy Catalogs

The Redshift Completeness of Local Galaxy Catalogs

... Going forward, we will assume a “Bright Transient Survey” (BTS) whose goal is to classify all extragalactic transients with peak magnitudes brighter than 18.5 mag. A one-year survey would result in a sample of nearly ...

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The Redshift Completeness of Local Galaxy Catalogs

The Redshift Completeness of Local Galaxy Catalogs

... Going forward, we will assume a “Bright Transient Survey” (BTS) whose goal is to classify all extragalactic transients with peak magnitudes brighter than 18.5 mag. A one-year survey would result in a sample of nearly ...

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Bayesian redshift-space distortions correction from galaxy redshift surveys

Bayesian redshift-space distortions correction from galaxy redshift surveys

... The resulting power spectra considering 1000 reconstructions only for the latter two cases for clarity are shown in Fig. 1 . The first case yields a similar result on large scales, however underes- timating the power in ...

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An empirical model for the galaxy luminosity and star formation rate function at high redshift

An empirical model for the galaxy luminosity and star formation rate function at high redshift

... lensing, while deeper and wider surveys would be necessary to observe higher redshift objects. We also derive the evolution of the SFR density by integrating the SFRFs down to various SFR limits, ranging from 0.7 ...

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Detection of an oxygen emission line from a high redshift galaxy in the reionization epoch

Detection of an oxygen emission line from a high redshift galaxy in the reionization epoch

... 0.02, and 0.05 with a classical solar metallicity of Z = 0.02 (57). The stellar IMF is assumed to be a standard Salpeter one (50) with the range of 0.1–100 M ⊙ . A constant star formation history is also assumed for ...

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