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The clustering properties of faint K<24 galaxies are measured in ultradeep J, H and K near-IR images of the Hubble Deep Field South (HDF-S), obtained with ISAAC at the VLT. A relatively large clustering amplitude is found up to K=24, at a…

We present estimated redshifts and derived properties for a sample of 1663 galaxies with Ks <= 22 (Vega), selected from 50.4 sq.arcmin of the GOODS/CDFS field with deep ISAAC imaging, and make an extensive comparison of their properties…

Astrophysics · Physics 2016-08-30 K. I. Caputi , J. S. Dunlop , R. J. McLure , N. D. Roche

We obtained spectra of 60 red, starlike objects (E< 18.8) identified with FIRST radio sources, S_{1.4GHz} > 1 mJy. Eight are QSOs with redshift z> 3.6.Combined with our pilot search (Benn et al 2002), our sample of 121 candidates yields a…

(abridged) We present results from two new near-infrared imaging surveys. One covers 47.2 arcmin^2 to K(3\sigma)<20 whilst a second, deeper survey covers a sub-area of 1.8 arcmin^2 to K(3\sigma)<22.75. Over the entire area we have extremely…

Astrophysics · Physics 2009-10-31 H. J. McCracken , N. Metcalfe , T. Shanks , A. Campos , J. P. Gardner

We present deep near-infrared JHK imaging of four 10'x10' fields. The observations were carried out as part of the Multiwavelength Survey by Yale-Chile (MUSYC) with ISPI on the CTIO 4m telescope. The typical point source limiting depths are…

We use deep ground-based imaging in the near-IR to search for counterparts to the luminous submm sources in the catalog of Smail et al (1998). For the majority of the submm sources the near-IR imaging supports the counterparts originally…

We present the photometric redshift distribution of a sample of 198 Extremely Red Galaxies (ERGs) with Ks<22 and I-Ks>3.92 (Vega), selected by Roche et al. in 50.4 sq. arcmin of the Chandra Deep Field South (CDFS). The sample has been…

Astrophysics · Physics 2009-11-10 K. I. Caputi , J. S. Dunlop , R. J. McLure , N. D. Roche

We present results on a search of heavily obscured active galaxies z>1.7 using the rest-frame 9-20 keV excess for X-ray sources detected in the deep XMM-CDFS survey. Out of 176 sources selected with the conservative detection criteria (>8…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 K. Iwasawa , R. Gilli , C. Vignali , A. Comastri , W. N. Brandt , P. Ranalli , F. Vito , N. Cappelluti , F. J. Carrera , S. Falocco , I. Georgantopoulos , V. Mainieri , M. Paolillo

We have obtained complete redshift information for a sample of 442 radio-loud quasars with flux densities S(11cm) >= 0.25Jy. These come from a completely-identified sample of 878 flat-spectrum radio sources, so there is no optical magnitude…

Astrophysics · Physics 2007-05-23 P. A. Shaver , I. M. Hook , C. A. Jackson , J. V. Wall , K. I. Kellermann

We present a catalog of 10718 objects in the COSMOS field observed through multi-slit spectroscopy with the Deep Imaging Multi-Object Spectrograph (DEIMOS) on the Keck II telescope in the wavelength range ~5500-9800A. The catalog contains…

We report on the stellar content, half-light radii and star formation rates of a sample of 10 known high-redshift ($z\gtrsim 2$) galaxies selected on strong neutral hydrogen (HI) absorption (log(N(HI)/cm$^{-2})>19$) toward background…

Astrophysics of Galaxies · Physics 2021-07-14 N. H. P. Rhodin , J. -K. Krogager , L. Christensen , F. Valentino , K. E. Heintz , P. Møller , T. Zafar , J. P. U. Fynbo

We have observed the environments of a population of 33 heavily dust obscured, ultra-luminous, high-redshift galaxies, selected using WISE and NVSS at $z>$1.3 with the Infra-Red Array Camera on the $Spitzer$ Space Telescope over…

We have carried out a survey searching for H alpha emitting galaxies at z~0.24 using a narrow band filter tuned with the redshifted line. The total sky area covered was 0.19 square degrees within the redshift range 0.228 to 0.255 in a set…

Astrophysics · Physics 2009-11-07 S. Pascual , J. Gallego , A. Aragon-Salamanca , J. Zamorano

We have analysed 5-epoch GOODS HST-ACS B, V, I_775 and z datasets (V1.0 release), in conjunction with existing VLT-ISAAC imaging in the J, H and Ks bands, to derive estimated redshifts for the sample of 198 Extremely Red Galaxies (ERGs)…

Astrophysics · Physics 2009-11-10 K. I. Caputi , J. S. Dunlop , R. J. McLure , N. D. Roche

We present the K-band local luminosity function derived froma sample of 1056 bright (K<15) K-selected galaxies from the Hawaii-AAO K-band redshift survey. The Hawaii-AAO K-band redshift survey covers 4 equatorial fields with a total area of…

Astrophysics · Physics 2011-03-10 J. -S. Huang , K. Glazebrook , L. L. Cowie , C. Tinney

We present optical and near-infrared imaging covering a $\sim$1.53 deg$^2$ region in the Super-Cluster Assisted Shear Survey (SuperCLASS) field, which aims to make the first robust weak lensing measurement at radio wavelengths. We derive…

We present galaxy-galaxy lensing measurements from 1321 sq. deg. of the Dark Energy Survey (DES) Year 1 (Y1) data. The lens sample consists of a selection of 660,000 red galaxies with high-precision photometric redshifts, known as redMaGiC,…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-05 J. Prat , C. Sánchez , Y. Fang , D. Gruen , J. Elvin-Poole , N. Kokron , L. F. Secco , B. Jain , R. Miquel , N. MacCrann , M. A. Troxel , A. Alarcon , D. Bacon , G. M. Bernstein , J. Blazek , R. Cawthon , C. Chang , M. Crocce , C. Davis , J. De Vicente , J. P. Dietrich , A. Drlica-Wagner , O. Friedrich , M. Gatti , W. G. Hartley , B. Hoyle , E. M. Huff , M. Jarvis , M. M. Rau , R. P. Rollins , A. J. Ross , E. Rozo , E. S. Rykoff , S. Samuroff , E. Sheldon , T. N. Varga , P. Vielzeuf , J. Zuntz , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , K. Bechtol , A. Benoit-Lévy , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , S. Desai , H. T. Diehl , S. Dodelson , T. F. Eifler , E. Fernandez , B. Flaugher , P. Fosalba , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , T. Giannantonio , D. A. Goldstein , R. A. Gruendl , J. Gschwend , G. Gutierrez , K. Honscheid , D. J. James , T. Jeltema , M. W. G. Johnson , M. D. Johnson , D. Kirk , E. Krause , K. Kuehn , S. Kuhlmann , O. Lahav , T. S. Li , M. Lima , M. A. G. Maia , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , J. J. Mohr , R. C. Nichol , B. Nord , A. A. Plazas , A. K. Romer , A. Roodman , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , I. Sevilla-Noarbe , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , D. L. Tucker , V. Vikram , A. R. Walker , R. H. Wechsler , B. Yanny , Y. Zhang

We obtained deep 8.5'x8.5' near-infrared images within four high-redshift survey fields, measured the Ks magnitudes of 300 optically selected galaxies with spectroscopic redshift 1.8<z<2.6, and compared the spatial clustering strength of…

The most passive galaxies at high redshift are unlikely to be identified by either narrow-band emission-line searches, or by Lyman limit searches (both techniques which have been highlighted at this meeting) simply because such selection…

Astrophysics · Physics 2007-05-23 James Dunlop