Scientific Commons: Anton Koekemoer

The zCOSMOS 10k-Bright Spectroscopic Sample (2009)

Lilly, Simon J., Le Brun, Vincent, Maier, Christian, Mainieri, Vincenzo, Mignoli, Marco, Scodeggio, Marco, ...

We present spectroscopic redshifts of a large sample of galaxies with I_(AB) < 22.5 in the COSMOS field, measured from spectra of 10,644 objects that have been obtained in the first two years of...

Comparison of optical observational capabilities for the coming decades: ground versus space (2009)

Mountain, Matt, Van Der Marel, Roeland, Soummer, Remi, Koekemoer, Anton, Ferguson, Harry, Postman, Marc, ...

Ground-based adaptive optics (AO) in the infrared has made exceptional advances in approaching space-like image quality at higher collecting area. Optical-wavelength applications are now also growing...

Deep Spitzer 24 μm COSMOS Imaging. I. The Evolution of Luminous Dusty Galaxies—Confronting the Models (2009)

Le-Floc’h, Emeric, Aussel, Hervé, Ilbert, Olivier, Riguccini, Laurie, Frayer, David T., Salvato, Mara, ...

We present the first results obtained from the identification of ~30,000 sources in the Spitzer/24 μm observations of the COSMOS field at S_(24 μm) ≳ 80 μJy. Using accurate photometric redshifts...

The 2005 HST Calibration Workshop Space Telescope Science Institute, 2005 (2009)

A. M. Koekemoer, P. Goudfrooij, L. L. Dressel, Santiago Arribas, L. Eddie Bergeron, Roelof De Jong, ...

and 12 (regular) calibration programs executed after the installation of the NICMOS Cooling System (NCS). The special calibrations on Cycle 13 were focussed on a follow up of the spectroscopic...

Pixel-based correction for Charge Transfer Inefficiency in the Hubble Space Telescope Advanced Camera for Surveys (2009)

Massey, Richard, Stoughton, Chris, Leauthaud, Alexie, Rhodes, Jason, Koekemoer, Anton, Ellis, Richard, ...

Charge Transfer Inefficiency (CTI) due to radiation damage above the Earth's atmosphere creates spurious trailing in Hubble Space Telescope (HST) images. Radiation damage also creates unrelated warm...

Observational Limits on Type 1 AGN Accretion Rate in COSMOS (2009)

Trump, Jonathan R., Impey, Chris D., Kelly, Brandon C., Elvis, Martin, Merloni, Andrea, Bongiorno, Angela, ...

We present black hole masses and accretion rates for 182 Type 1 AGN in COSMOS. We estimate masses using the scaling relations for the broad Hb, MgII, and CIV emission lines in the redshift ranges 0.16

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 sq.deg of the COSMOS field (centered at 10h, +02deg) with an effective exposure of ~160ksec,...

A submillimetre galaxy at z=4.76 in the LABOCA survey of the Extended Chandra Deep Field South (2009)

Coppin, Kristen, Smail, Ian, Alexander, David M., Weiss, Axel, Walter, Fabian, Swinbank, Mark, ...

We report on the identification of the highest redshift submm-selected source currently known: LESSJ033229.4-275619. This source was detected in the Large Apex BOlometer CAmera (LABOCA) Extended...

Observational limits on type 1 active galactic nucleus accretion rate in COSMOS (2009)

Trump, Jonathan R., Impey, Chris D., Kelly, Brandon C., Elvis, Martin, Merloni, Andrea, Bongiorno, Angela, ...

A Strong-Lens Survey in AEGIS: the influence of large scale structure (2008)

Moustakas, Leonidas A., Marshall, Phil, Newman, Jeffrey A., Coil, Alison L., Cooper, Michael C., Davis, Marc, ...

Restarting engine in an X-shaped radio galaxy (2008)

Saripalli, Lakshmi, Subrahmanyan, Ravi, Laskar, Tanmoy, Koekemoer, Anton

J2018-556, an X-shaped FR-I radio galaxy provides a unique opportunity to discuss the formation scenarios for the extended structures seen in this class of radio sources. An understanding of the...

First catalog of strong lens candidates in the COSMOS field (2008)

Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...

We present the first catalog of 67 strong galaxy-galaxy lens candidates discovered in the 1.64 deg^2 Hubble Space Telescope COSMOS survey. Twenty of these systems display multiple images or strongly...

First catalog of strong lens candidates in the COSMOS field (2008)

Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...

We present the first catalog of 67 strong galaxy-galaxy lens candidates discovered in the 1.64 square degree Hubble Space Telescope COSMOS survey. Twenty of these systems display multiple images or...

GOODS (2008)

Ray Norris, Enno Middelberg, José Afonso, Brian Boyle, Paolo Ciliegi, Tim Cornwell, ...

radio contours overlaid on the

First catalog of strong lens candidates in the COSMOS field (2008)

Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...

Erratum: "First catalog of strong lens candidates in the COSMOS field" (ApJS, 176, 19 [2008]) (2008)

Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...

First catalog of strong lens candidates in the COSMOS field (2008)

Faure, Cecile, Kneib, Jean-Paul, Covone, Giovanni, Tasca, Lidia, Leauthaud, Alexie, Capak, Peter, ...

We present the first catalog of 67 strong galaxy-galaxy lens candidates discovered in the 1.64 deg2 Hubble Space Telescope COSMOS survey. Twenty of these systems display multiple images or strongly...

Dominant nuclear outflow driving mechanisms in powerful radio galaxies (2007)

Batcheldor, Dan, Tadhunter, Clive, Holt, Joanna, Morganti, Raffaella, O'Dea, Christopher, Axon, David, ...

Also archived in: arXiv:astro-ph/0702498 v1 Feb 20 2007

Dominant Nuclear Outflow Driving Mechanisms in Powerful Radio Galaxies (2007)

Batcheldor, Dan, Tadhunter, Clive, Holt, Joanna, Morganti, Raffaella, O'Dea, Christopher P., Axon, David J., ...

In order to identify the dominant nuclear outflow mechanisms in Active Galactic Nuclei, we have undertaken deep, high resolution observations of two compact radio sources (PKS 1549-79 and PKS...

COSMOS: 3D weak lensing and the growth of structure (2007)

Massey, Richard, Rhodes, Jason, Leauthaud, Alexie, Capak, Peter, Ellis, Richard, Koekemoer, Anton, ...

We present a three dimensional cosmic shear analysis of the Hubble Space Telescope COSMOS survey, the largest ever optical imaging program performed in space. We have measured the shapes of galaxies...

The Stability of the Point Spread Function of the Advanced Camera for Surveys on the Hubble Space Telescope and Implications for Weak Gravitational Lensing (2007)

Rhodes, Jason D., Massey, Richard, Albert, Justin, Collins, Nicholas, Ellis, Richard S., Heymans, Catherine, ...

(abridged) We examine the spatial and temporal stability of the HST ACS Wide Field Camera (WFC) point spread function (PSF) using the two square degree COSMOS survey. We show that stochastic aliasing...

Dark matter maps reveal cosmic scaffolding (2007)

Massey, Richard, Rhodes, Jason, Ellis, Richard, Scoville, Nick, Leauthaud, Alexie, Finoguenov, Alexis, ...

Ordinary baryonic particles (such as protons and neutrons) account for only one-sixth of the total matter in the Universe. The remainder is a mysterious "dark matter" component, which does not...

The Stability of the Point Spread Function of the Advanced Camera for Surveys on the Hubble Space Telescope and Implications for Weak Gravitational Lensing (2007)

Rhodes, Jason D., Massey, Richard, Albert, Justin, Collins, Nicholas, Ellis, Richard S., Heymans, Catherine, ...

(abridged) We examine the spatial and temporal stability of the HST ACS Wide Field Camera (WFC) point spread function (PSF) using the two square degree COSMOS survey. We show that stochastic aliasing...

Dark matter maps reveal cosmic scaffolding (2007)

Massey, Richard, Rhodes, Jason, Ellis, Richard, Scoville, Nick, Leauthaud, Alexie, Finoguenov, Alexis, ...

Ordinary baryonic particles (such as protons and neutrons) account for only one-sixth of the total matter in the Universe. The remainder is a mysterious "dark matter" component, which does not...

COSMOS: 3D weak lensing and the growth of structure (2007)

Massey, Richard, Rhodes, Jason, Leauthaud, Alexie, Capak, Peter, Ellis, Richard, Koekemoer, Anton, ...

We present a three dimensional cosmic shear analysis of the Hubble Space Telescope COSMOS survey, the largest ever optical imaging program performed in space. We have measured the shapes of galaxies...

Dark matter maps reveal cosmic scaffolding (2007)

Massey, Richard, Rhodes, Jason, Ellis, Richard, Scoville, Nick, Leauthaud, Alexie, Finoguenov, Alexis, ...

The Supermassive black hole in Centaurus A: A Benchmark for gas kinematical measurements (2006)

Marconi, Alessandro, Pastorini, Guia, Pacini, Franco, Axon, David, Capetti, Alessandro, Macchetto, Duccio, ...

Also archived in: arXiv:astro-ph/0507435 v3 10 Nov 2005

The supermassive black hole in Centaurus A: A Benchmark for gas kinematical measurements (2006)

Marconi, Alessandro, Pastorini, Guia, Pacini, Franco, Axon, David, Capetti, Alessandro, Macchetto, Duccio, ...

Also archived in: arXiv:astro-ph/0507435 v3 10 Nov 2005

Modelling and Correcting the Time-Dependent ACS PSF (2005)

Rhodes, Jason, Massey, Richard, Albert, Justin, Taylor, James E., Koekemoer, Anton, Leauthaud, Alexie

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 of the...

Resolving the shocks in radio galaxy nebulae: HST and radio imaging of 3C 171, 3C 277.3, and PKS 2250-41 (2005)

Tilak, Avanti, O'Dea, Christopher, Tadhunter, Clive, Willis, Karen, Morganti, Raffaella, Baum, Stefi, ...

Also archived in: arXiv: astro-ph/0507652 v1 27 Jul 2005

The WFPC2 Archival Parallels Project (2005)

Wadadekar, Yogesh, Casertano, Stefano, Hook, Richard, Kızıltan, Bül Ent, Koekemoer, Anton, Ferguson, Harry, ...

We describe the methods and procedures developed to obtain a near-automatic combination of WFPC2 images obtained as part of the WFPC2 Archival Pure Parallels program. Several techniques have been...

Hubble Space Telescope STIS spectroscopy of the Lyman-Alpha emission line in the central dominant galaxies in A426, A1795, and A2597: constraints on clouds in the intracluster medium (2005)

Baum, Stefi, Laor, Ari, O'Dea, Christopher, Mack, Jennifer, Koekemoer, Anton

Also archived in: arXiv: astro-ph/0506274 v1 13 Jun 2005

Hubble Space Telescope STIS spectroscopy of the Lyman-Alpha emission line in the central dominant galaxies in A426, A1795, and A2597: Constraints on clouds in the intracluster medium (2005)

Baum, Stefi, Laor, Ari, O'Dea, Christopher, Mack, Jennifer, Koekemoer, Anton

Also archived in: arXiv: astro-ph/0506274 v1 13 Jun 2005

Resolving the Shocks in Radio Galaxy Nebulae: HST and Radio Imaging of 3C 171, 3C277.3 and PKS2250-41 (2005)

Tilak, Avanti, O'Dea, Christopher P., Tadhunter, Clive, Willis, Karen, Morganti, Rafaella, Baum, Stefi A., ...

We present the results of HST/WFPC2 medium and narrow band imaging and VLA and MERLIN2 radio imaging of three powerful radio galaxies: 3C 171, 3C 277.3, and PKS 2250-41. We obtained images of the...

HST [Hubble Space Telescope]/STIS [Space Telescope Imaging Spectrograph] low dispersion spectroscopy of three Compact Steep Spectrum sources: Evidence for jet-cloud interaction (2005)

Labiano, Alvaro, O'Dea, Christopher, Gelderman, Richard, De Vries, Wim, Axon, David, Barthel, Peter, ...

Also archived in: arXiv:astro-ph/0504330 v1 14 Apr 2005

HST [Hubble Space Telescope]/STIS [Space Telescope Imaging Spectrograph] low dispersion spectroscopy of three Compact Steep Spectrum sources: Evidence for jet-cloud interaction (2005)

Labiano, Alvaro, O'Dea, Christopher, Gelderman, Richard, De Vries, Wim, Axon, David, Barthel, Peter, ...

Also archived in: arXiv:astro-ph/0504330 v1 14 Apr 2005

Authorship Authorship (2005)

March Cheryl Pavlovsky, Anton Koekemoer, Jennifer Mack

Information and other resources are available on the ACS World Wide Web page:

A Redshift z=5.4 Lyman alpha Emitting Galaxy with Linear Morphology in the GRAPES/UDF Field (2004)

Rhoads, James E., Panagia, Nino, Windhorst, Rogier A., Malhotra, Sangeeta, Pirzkal, Norbert, Xu, Chun, ...

We have discovered an extended Lyman alpha plume associated with a compact source at redshift 5.4 in slitless spectroscopic data from the Grism ACS Program for Extragalactic Science (GRAPES) project....

Identification of Type Ia Supernovae at Redshift 1.3 and Beyond with the Advanced Camera for Surveys on HST (2003)

Riess, Adam G., Strolger, Louis-Gregory, Tonry, John, Tsvetanov, Zlatan, Casertano, Stefano, Ferguson, Henry C., ...

We present discoveries of SNe Ia at z > 1 and the photometric diagnostic used to discriminate them from other types of SNe detected during the GOODS Hubble Space Telescope Treasury program with the...

Ultraviolet Hubble Space Telescope snapshot survey of 3CR radio source counterparts at low redshift (2002)

Allen, Mark, Sparks, William, Koekemoer, Anton, Martel, Andre, O'Dea, Christopher, Baum, Stefi, ...

Also archived in: arXiv: astro-ph/0112208 v1 10 Dec 2001

Ultraviolet Hubble Space Telescope snapshot survey of 3CR radio source counterparts at low redshift (2002)

Allen, Mark, Sparks, William, Koekemoer, Anton, Martel, Andre, O'Dea, Christopher, Baum, Stefi, ...

Also archived in: arXiv: astro-ph/0112208 v1 10 Dec 2001

Resolving the hard x-ray background in the Chandra Deep Field South (2002)

Gilli, Roberto, Giacconi, Riccardo, Tozzi, Paolo, Rosati, Piero, Hasinger, Günther, Kewley, Lisa, ...

Ultraviolet HST Snapshot Survey of 3CR Radio Source Counterparts at Low Redshift (2001)

Allen, Mark G., Sparks, William B., Koekemoer, Anton, Martel, Andre R., O'dea, Christopher P., Baum, Stefi A., ...

We present ultraviolet images of 27 3CR radio galaxies with redshifts z

Discovery of ghost cavities in Abell 2597's X-ray atmosphere (2001)

McNamara, Brian, Wise, Michael, Nulsen, Paul, David, Laurence, Carilli, Chris, Sarazin, Craig, ...

Also archived in: arXiv: astro-ph/0110554 v1 25 Oct 2001

Discovery of ghost cavities in Abell 2597's X-ray atmosphere (2001)

McNamara, Brian, Wise, Michael, Nulsen, Paul, David, Laurence, Carilli, Chris, Sarazin, Craig, ...

Also archived in: arXiv: astro-ph/0110554 v1 25 Oct 2001

3C 236: Radio source, interrupted? (2001)

O'Dea, Christopher, Koekemoer, Anton, Baum, Stefi, Sparks, William, Martel, Andre, Allen, Mark, ...

Also archived in: arXiv: astro-ph/0101441 v1 24 Jan 2001

3C 236: Radio source, interrupted? (2001)

O'Dea, Christopher, Koekemoer, Anton, Baum, Stefi, Sparks, William, Martel, Andre, Allen, Mark, ...

Also archived in: arXiv: astro-ph/0101441 v1 24 Jan 2001

Peering through the dust: Evidence for a supermassive black hole at the nucleus of Centaurus A from VLT infrared spectroscopy (2001)

Marconi, Alessandro, Capetti, Alessandro, Axon, David, Koekemoer, Anton, Macchetto, Duccio, Schreier, Ethan

Also archived in: arXiv:astro-ph/0011059 v1 2 Nov 2000

Peering through the dust: Evidence for a supermassive black hole at the nucleus of Centaurus A from VLT infrared spectroscopy (2001)

Marconi, Alessandro, Capetti, Alessandro, Axon, David, Koekemoer, Anton, Macchetto, Duccio, Schreier, Ethan

Also archived in: arXiv:astro-ph/0011059 v1 2 Nov 2000

Peering through the dust: Evidence for a supermassive Black Hole at the nucleus of Centaurus A from VLT IR spectroscopy (2000)

Marconi, Alessandro, Capetti, Alessandro, Axon, David, Koekemoer, Anton, Macchetto, Duccio, Schreier, Ethan

We used the near infrared spectrometer ISAAC at the ESO 'Very Large Telescope' to map the velocity field of Centaurus A (NGC 5128) at several position angles and locations in the central 20" of the...

Unveiling the active nucleus of Centaurus A (2000)

Marconi, Alessandro, Schreier, Ethan, Koekemoer, Anton, Capetti, Alessandro, Axon, David, Macchetto, Duccio, ...

Also archived in: arXiv:astro-ph/9907378 v1 27 Jul 1999

Unveiling the active nucleus of Centaurus A (2000)

Marconi, Alessandro, Schreier, Ethan, Koekemoer, Anton, Capetti, Alessandro, Axon, David, Macchetto, Duccio, ...

Also archived in: arXiv:astro-ph/9907378 v1 27 Jul 1999

The Extended blue continuum and line emission around the Central Radio Galaxy in Abell 2597 (1999)

Koekemoer, Anton, O'Dea, Christopher, Sarazin, Craig, McNamara, Brian, Donahue, Megan, Voit, G. Mark, ...

Also archived in: arXiv: astro-ph/9906335 v1 21 Jun 1999

The extended blue continuum and line emission around the Central Radio Galaxy in Abell 2597 (1999)

Koekemoer, Anton, O'Dea, Christopher, Sarazin, Craig, McNamara, Brian, Donahue, Megan, Voit, G. Mark, ...

Also archived in: arXiv: astro-ph/9906335 v1 21 Jun 1999

Unveiling the Active Nucleus of Centaurus A (1999)

Marconi, Alessandro, Schreier, Ethan, Koekemoer, Anton, Capetti, Alessandro, Axon, David, Macchetto, Duccio, ...

We report new HST WFPC2 and NICMOS observations of the center of the nearest radio galaxy Centaurus A (NGC 5128) and discuss their implications for our understanding of the active nucleus and jet. We...

HI absorption toward the nucleus of the radio galaxy PKS 2322-123 in A 2597 (1999)

Taylor, Gregory, O'Dea, Christopher, Peck, Alison, Koekemoer, Anton

Also archived in: arXiv:astro-ph/9811343 v2 24 Nov 1998

HI absorption toward the nucleus of the radio galaxy PKS 2322-123 in A 2597 (1999)

Taylor, Gregory, O'Dea, Christopher, Peck, Alison, Koekemoer, Anton

Also archived in: arXiv:astro-ph/9811343 v2 24 Nov 1998

PKS2250-41 and the role of jet-cloud interactions in powerful radio galaxies (full paper) (1999)

Villar-Martin, Montse, Tadhunter, Clive, Morganti, Raffaella, Axon, David, Koekemoer, Anton

Also archived in: arXiv:astro-ph/9902376 v1 26 Feb 1999

X-ray properties of B2 1028+313: a quasar at the center of the Abell cluster A1030 (1999)

Sarazin, Craig, Koekemoer, Anton, Baum, Stefi, O'Dea, Christopher, Owen, Frazer, Wise, Michael

Also archived in: arXiv: astro-ph/9806372 v1 29 Jun 1998