The Nature of Optically Dull Active Galactic Nuclei in COSMOS (2009)
Trump, Jonathan R., Impey, Chris D., Taniguchi, Yoshi, Brusa, Marcella, Civano, Francesca, Elvis, Martin, ...
We present infrared, optical, and X-ray data of 48 X-ray bright, optically dull active galactic nuclei (AGNs) in the COSMOS field. These objects exhibit the X-ray luminosity of an AGN but lack broad...
The Nature of Optically Dull Active Galactic Nuclei in COSMOS (2009)
Trump, Jonathan R., Impey, Chris D., Taniguchi, Yoshi, Brusa, Marcella, Civano, Francesca, Elvis, Martin, ...
We present infrared, optical, and X-ray data of 48 X-ray bright, optically dull AGNs in the COSMOS field. These objects exhibit the X-ray luminosity of an active galactic nucleus (AGN) but lack broad...
Modeling and Correcting the Time-Dependent ACS PSF (2009)
A. M. Koekemoer, P. Goudfrooij, L. L. Dressel, Jason Rhodes, Richard Massey, Justin Albert, ...
Abstract. The ability to accurately measure the shapes of faint objects in images taken with the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope (HST) depends upon detailed knowledge...
A. M. Koekemoer, P. Goudfrooij, L. L. Dressel, Santiago Arribas, Elizabeth Barker, ...
Abstract. We provide an overview of the most important calibration aspects of the NICMOS instrument on board of HST. We describe the performance of the instrument after the installation of the NICMOS...
The Chandra COSMOS Survey. I. Overview and Point Source Catalog (2009)
Elvis, Martin, Civano, Francesca, Vignali, Cristian, Puccetti, Simonetta, Fiore, Fabrizio, Cappelluti, Nico, ...
The Chandra COSMOS Survey (C-COSMOS) is a large, 1.8 Ms, Chandra program that has imaged the central 0.5 deg^2 of the COSMOS field (centered at 10 ^h , +02 ^o ) with an effective exposure of ~160 ks,...
Early-type galaxies in the PEARS survey: Probing the stellar populations at moderate redshift (2009)
Ferreras, Ignacio, Pasquali, Anna, Malhotra, Sangeeta, Rhoads, James, Cohen, Seth, Windhorst, Rogier, ...
Using HST/ACS slitless grism spectra from the PEARS program, we study the stellar populations of morphologically selected early-type galaxies in the GOODS North and South fields. The sample -...
Jahnke, Knud, Bongiorno, Angela, Brusa, Marcella, Capak, Peter, Cappelluti, Nico, Cisternas, Mauricio, ...
We constrain the ratio of black hole (BH) mass to total stellar mass of type-1 AGN in the COSMOS survey at 1
Mid-IR Luminosities and UV/Optical Star Formation Rates at z < 1.4 (2009)
Salim, Samir, Dickinson, Mark, Rich, R. Michael, Charlot, Stéphane, Lee, Janice C., Schiminovich, David, ...
Ultraviolet (UV) nonionizing continuum and mid-infrared (IR) emission constitute the basis of two widely used star formation (SF) indicators at intermediate and high redshifts. We study 2430 galaxies...
Studying Large- and Small-Scale Environments of Ultraviolet Luminous Galaxies (2009)
Basu-Zych, Antara R., Schiminovich, David, Heinis, Sebastien, Overzier, Roderik, Heckman, Tim, Zamojski, Michel, ...
Studying the environments of 0.4 < z < 1.2 ultraviolet (UV)-selected galaxies, as examples of extreme star-forming galaxies (with star formation rates (SFRs) in the range of 3-30 M_☉ yr^(–1)), we...
Studying Large and Small Scale Environments of Ultraviolet Luminous Galaxies (2009)
Basu-Zych, Antara R., Schiminovich, David, Heinis, Sebastien, Overzier, Roderik, Heckman, Tim, Zamojski, Michel, ...
Studying the environments of 0.4
Mid-IR Luminosities and UV/Optical Star Formation Rates at z (2009)
Salim, Samir, Dickinson, Mark, Rich, R. Michael, Charlot, Stephane, Lee, Janice C., Schiminovich, David, ...
UV continuum and mid-IR emission constitute two widely used star formation indicators at intermediate and high redshifts. We study 2430 galaxies with z10^11 L_sun, yet with little current star...
On the Contribution of Large-Scale Structure to Strong Gravitational Lensing (2009)
Faure, C., Hilbert, S., Massey, R., Covone, G., Finoguenov, A., ...
We study the correlation between the locations of galaxy-galaxy strong-lensing candidates and tracers of large-scale structure from both weak lensing (WL) or X-ray emission. The Cosmological...
On the contribution of large-scale structure to strong gravitational lensing (2009)
Faure, C., Hilbert, S., Massey, R., Covone, G., Finoguenov, A., ...
Studying large- and small-scale environments of ultraviolet luminous galaxies (2009)
Basu-Zych, Antara R., Schiminovich, David, Heinis, Sebastien, Overzier, Roderik, Heckman, Tim, Zamojski, Michel, ...
The Chandra COSMOS survey - I. Overview and point source catalog (2009)
Elvis, Martin, Civano, Francesca, Vignali, Christian, Puccetti, Simonetta, Fiore, Fabrizio, Cappelluti, Nico, ...
Straughn, Amber N., Meurer, Gerhardt R., Pirzkal, Norbert, Cohen, Seth H., Malhotra, Sangeeta, Rhoads, James, ...
The Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) grism PEARS (Probing Evolution And Reionization Spectroscopically) survey provides a large dataset of low-resolution spectra from...
Deep ATLAS radio observations of the CDFS-SWIRE field (2008)
Ray P. Norris, José Afonso, Brian J. Boyle, Paolo Ciliegi, Scott M. Croom, Minh T. Huynh, ...
We present the first results from the Australia Telescope Large Area Survey (ATLAS), which consist of deep radio observations of a 3.7 square degree field surrounding the Chandra Deep Field South,...
Christopher P. O'dea, Anton M. Koekemoer, Stefi A. Baum, William B. Sparks, Andre R, Mark G. Allen, ...
We present new HST STIS/MAMA near-UV images and archival WFPC2 V and R band images which reveal the presence of four star forming regions in an arc along the edge of the dust lane in the giant (4...
Redshifts of Emission-Line Objects in the Hubble Ultra Deep Field (2007)
Xu, Chun, Pirzkal, Norbert, Malhotra, Sangeeta, Rhoads, James E., Mobasher, Bahram, Daddi, Emanuele, ...
We present redshifts for 115 emission-line objects in the Hubble Ultra Deep Field identified through the Grism ACS Program for Extragalactic Science (GRAPES) project using the slitless grism...
Redshifts of Emission Line Objects in the Hubble Ultra Deep Field (2007)
Xu, Chun, Pirzkal, Norbert, Malhotra, Sangeeta, Rhoads, James E., Mobasher, Bahram, Daddi, Emanuele, ...
We present redshifts for 115 emission line objects in the Hubble Ultra Deep Field (HUDF) identified through the GRism ACS Program for Extragalactic Science (GRAPES) project using the slitless grism...
Redshifts of emission-line objects in the Hubble Ultra Deep Field (2007)
Xu, Chun, Pirzkal, Norbert, Malhotra, Sangeeta, Rhoads, James E., Mobasher, Bahram, Daddi, Emanuele, ...
We present redshifts for 115 emission-line objects in the Hubble Ultra Deep Field identified through the Grism ACS Program for Extragalactic Science (GRAPES) project using the slitless grism...
The all-wavelength extended groth strip international survey (AEGIS) data sets (2007)
Davis, Michael A., Guhathakurta, Puragra, Konidaris, Nick P., Newman, Jeffrey A., Ashby, Matthew L. N., Biggs, Andrew D., ...
In this the first of a series of Letters, we present a panchromatic data set in the Extended Groth Strip region of the sky. Our survey, the All-Wavelength Extended Groth Strip International Survey...
Deep ATLAS radio observations of the CDFS-SWIRE field (2006)
Norris, Ray P., Afonso, Jose, Appleton, Phil N., Boyle, Brian J., Ciliegi, Paolo, Croom, Scott M., ...
We present the first results from the Australia Telescope Large Area Survey (ATLAS), which consist of deep radio observations of a 3.7 square degree field surrounding the Chandra Deep Field South,...
The Hubble Ultra Deep Field (2006)
Beckwith, Steven V. W., Stiavelli, Massimo, Koekemoer, Anton M., Caldwell, John A. R., Ferguson, Henry C., Hook, Richard, ...
This paper presents the Hubble Ultra Deep Field (HUDF), a one million second exposure of an 11 square minute-of-arc region in the southern sky with the Hubble Space Telescope. The exposure time was...
De Jong, Roelof S., Arribas, Santiago, Barker, Elizabeth, Bergeron, Louis E., Bohlin, Ralph C., Calzetti, Daniela, ...
We provide an overview of the most important calibration aspects of the NICMOS instrument on board of HST. We describe the performance of the instrument after the installation of the NICMOS Cooling...
The Hubble Ultra Deep Field (2006)
Beckwith, Steven V. W., Stiavelli, Massimo, Koekemoer, Anton M., Caldwell, John A. R., Ferguson, Henry C., Hook, Richard, ...
This paper presents the Hubble Ultra Deep Field (HUDF), a 1 million s exposure of an 11 arcmin2 region in the southern sky with the Advanced Camera for Surveys on the Hubble Space Telescope using...
Instrument Science Report ACS 2005-07 Two-Gyro Pointing Stability of HST measured with ACS (2005)
Anton M. Koekemoer, Vera Kozhurina-platais, Adam Riess, John Biretta, Cheryl Pavlovsky
We present the results of the pointing stability tests for HST, as measured with the ACS/ HRC during the Two-Gyro test program conducted in February 2005. We measure the shifts of 185 exposures of...
Anton M. Koekemoer, Brian Mclean, Matt Mcmaster, Helmut Jenkner
We present a demonstration of a technique that can significantly improve the absolute astrometric accuracy of HST data from its current levels of uncertainty (1-2 ” or worse) to an accuracy in the...
Moustakas, Leonidas A., Casertano, Stefano, Conselice, Chris, Dickinson, Mark E., Eisenhardt, Peter, Ferguson, Henry C., ...
Using U'- through Ks-band imaging data in the GOODS-South field, we construct a large, complete sample of 275 ``extremely red objects'' (EROs; K_s3.35; AB), all with deep HST/ACS imaging in B_435,...
A Possible New Population of Sources with Extreme X-Ray / Optical Ratios (2003)
Koekemoer, Anton M., Alexander, D. M., Bauer, F. E., Bergeron, J., Brandt, W. N., Chatzichristou, E., ...
We describe a possible new class of X-ray sources that have robust detections in ultra-deep Chandra data, yet have no detections at all in our deep multi-band GOODS Hubble Space Telescope (HST) ACS...
Results of the Observatory Verification for WFPC2 after Servicing Mission 3B (2002)
Anton M. Koekemoer, Shireen Gonzaga, Inge Heyer, Lori M. Lubin, Vera Kozhurina-platais, Brad Whitmore
Servicing Mission 3B (SM3B) took place in March 2002, and the Wide Field and Planetary Camera 2 (WFPC2) resumed operations on March 23, 2002 after having been placed in an inactive mode during the...
Anton M. Koekemoer, John Biretta, Jennifer Mack
We present updated flatfields for WFPC2 using on-orbit data from Earthflat exposures, covering dates ranging from September 1995- May 2001. We divide the flatfields into epochs depending on the...
3C236: Radio Source, Interrupted? (2001)
O'Dea, Christopher P., Koekemoer, Anton M., Baum, Stefi A., Sparks, William B., Martel, Andre R., Allen, Mark G., ...
We present new HST STIS/MAMA near-UV images and archival WFPC2 V and R band images which reveal the presence of four star forming regions in an arc along the edge of the dust lane in the giant (4...
Instrument Science Report WFPC2 2001-11 Summary of WFPC2 SM3B Plans (2001)
Anton M. Koekemoer, Shireen Gonzaga, Inge Heyer, Lori M. Lubin, Vera Kozhurina-platais
We summarize WFPC2 activities and calibrations planned for Servicing Mission SM3B, currently scheduled for launch in February 2002. HST Servicing Mission 3B (SM3B) is currently planned for February...
Results of the WFPC2 Observatory Verification after Servicing Mission 3a (2000)
Shireen Gonzaga, Sylvia Baggett, Jesus Balleza, John Biretta, Inge Heyer, Anton M. Koekemoer, ...
After six weeks of inactivity, the Servicing Mission 3a, and the tests and observations carried out as part of the ensuing Observatory Verification phase, WFPC2 restarted science operations on...
Hubble Space Telescope Observations of the Associated Absorption Systems in Q0122+0338 (1999)
Papovich, Casey, Norman, Colin A., Bowen, David V., Heckman, Tim, Savaglio, Sandra, Koekemoer, Anton M., ...
We have studied a spectrum of Q0122+0338 (z = 1.202) obtained by the FOS on board HST. We present the analysis of three associated absorption systems at z = 1.207, 1.199 and 1.166. The most complex...
Dynamics and Excitation of Radio Galaxy Emission-Line Regions - I. PKS 2356-61 (1997)
Koekemoer, Anton M., Bicknell, Geoffrey V.
Results are presented from a programme of detailed longslit spectroscopic observations of the extended emission-line region (EELR) associated with the powerful radio galaxy PKS 2356-61. The...