Jonathan P. Gardner

Near-Ultraviolet Sources in the Hubble Ultra Deep Field: The Catalog (2009)

Voyer, Elysse N., De Mello, Duilia F., Siana, Brian, Gardner, Jonathan P., Quirk, Cori, Teplitz, Harry I.

The catalog from the first high-resolution U-band image of the Hubble Ultra Deep Field, taken with Hubble's Wide-Field Planetary Camera 2 through the F300W filter, is presented. We detect 96 U-band...

Spectroscopic Confirmation of a Massive Red-Sequence-Selected Galaxy Cluster at z = 1.34 in the SpARCS-South Cluster Survey (2009)

Wilson, Gillian, Muzzin, Adam, Yee, H. K. C., Lacy, Mark, Surace, Jason, Gilbank, David, ...

The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a z'-passband imaging survey, consisting of deep (z' ≃ 24 AB) observations made from both hemispheres using the CFHT 3.6 m and...

Spectroscopic Confirmation of Two Massive Red-Sequence-Selected Galaxy Clusters at z ~ 1.2 in the SpARCS-North Cluster Survey (2009)

Muzzin, Adam, Wilson, Gillian, Yee, H. K. C., Hoekstra, Henk, Gilbank, David, Surace, Jason, ...

The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a deep z'-band imaging survey covering the Spitzer Wide-Area Infrared Extragalactic Survey (SWIRE) Legacy fields designed to...

Near-UV Sources in the Hubble Ultra Deep Field: The Catalog (2009)

Voyer, Elysse N., De Mello, Duilia F., Siana, Brian, Gardner, Jonathan P., Quirk, Cori, Teplitz, Harry I.

The catalog from the first high resolution U-band image of the Hubble Ultra Deep Field, taken with Hubble's Wide Field Planetary Camera 2 through the F300W filter, is presented. We detect 96 U-band...

Structures of Local Galaxies Compared to High Redshift Star-forming Galaxies (2009)

Petty, Sara M., De Mello, Duilia F., Gallagher III, John S., Gardner, Jonathan P., Lotz, Jennifer M., Mountain, C. Matt, ...

The rest-frame far-ultraviolet (FUV) morphologies of 8 nearby interacting and starburst galaxies (Arp 269, M 82, Mrk 8, NGC 520, NGC 1068, NGC 3079, NGC 3310, NGC 7673) are compared with 54 galaxies...

SPACE: the spectroscopic all-sky cosmic explorer (2009)

Cimatti, A., Robberto, M., Baugh, C., Beckwith, S. V. W., Content, R., Daddi, E., ...

We describe the scientific motivations, the mission concept and the instrumentation of SPACE, a class-M mission proposed for concept study at the first call of the ESA Cosmic-Vision 2015–2025...

Spectroscopic Confirmation of Two Massive Red-Sequence-Selected Galaxy Clusters at z ~ 1.2 in the SpARCS-North Cluster Survey (2008)

Muzzin, Adam, Wilson, Gillian, Yee, H. K. C., Hoekstra, Henk, Gilbank, David, Surace, Jason, ...

The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a deep z'-band imaging survey covering the Spitzer SWIRE Legacy fields designed to create the first large homogeneously-selected...

Spectroscopic Confirmation of a Massive Red-Sequence-Selected Galaxy Cluster at z = 1.34 in the SpARCS-South Cluster Survey (2008)

Wilson, Gillian, Muzzin, Adam, Yee, H. K. C., Lacy, Mark, Surace, Jason, Gilbank, David, ...

The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a z'-passband imaging survey, consisting of deep (z' ~ 24 AB) observations made from both hemispheres using the CFHT 3.6m and...

The UDF05 Follow-up of the HUDF: II. Constraints on Reionization from z-dropout Galaxies (2008)

Oesch, P. A., Carollo, C. M., Stiavelli, M., Trenti, M., Bergeron, L. E., Koekemoer, A. M., ...

[Abridged] We detect three (plus one less certain) z-dropout sources in two separate fields of our UDF05 HST NICMOS images. These z~7 Lyman-Break Galaxy (LBG) candidates allow us to constrain the...

Emission-Line Galaxies from the PEARS Hubble Ultra Deep Field: A 2-D Detection Method and First Results (2008)

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...

A Spitzer Warm Mission Ultra-Wide Survey As A Target Finder For The James Webb Space Telescope (2007)

Gardner, Jonathan P., Fan, Xiaohui, Wilson, Gillian, Stiavelli, Massimo

The James Webb Space Telescope (JWST) is the successor to the Hubble and Spitzer Space Telescopes. It has a broad scientific mission which includes spectroscopic studies of the epoch of reionization...

The Space Infrared Interferometric Telescope (SPIRIT): High-resolution imaging and spectroscopy in the far-infrared (2007)

Leisawitz, David, Baker, Charles, Barger, Amy, Benford, Dominic, Blain, Andrew, Boyle, Rob, ...

We report results of a recently-completed pre-Formulation Phase study of SPIRIT, a candidate NASA Origins Probe mission. SPIRIT is a spatial and spectral interferometer with an operating wavelength...

New Constraints on the Lyman Continuum Escape Fraction at z~1.3 (2007)

Siana, Brian, Teplitz, Harry I., Colbert, James, Ferguson, Henry C., Dickinson, Mark, Brown, Thomas M., ...

We examine deep far-ultraviolet (1600 Angstrom) imaging of the Hubble Deep Field-North (HDFN) and the Hubble Ultra Deep Field (HUDF) to search for leaking Lyman continuum radiation from starburst...

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...

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...

The UDF05 follow-up of the Hubble Ultra Deep Field. I. The faint-end slope of the Lyman Break galaxy population at z ~ 5 (2007)

Oesch, P. A., Stiavelli, M., Carollo, C. M., Bergeron, L. E., Koekemoer, A. M., Lucas, R. A., ...

We present the UDF05 HST program, which consists of three disjoint fields-NICP12, NICP34, plus the HUDF-with deep ACS (F606W, F775W, and F850LP) and NICMOS (F110W and F160W) imaging. Here we use the...

Far-Ultraviolet Imaging of the Hubble Deep Field North: Star Formation in Normal Galaxies at z (2006)

Teplitz, H. I., Siana, B., Brown, T. M., Chary, R., Colbert, J. W., Conselice, C., ...

We present far-ultraviolet (FUV) imaging of the Hubble Deep Field North (HDF-N) taken with the Solar Blind Channel of the Advanced Camera for Surveys (ACS/SBC) and the FUV MAMA detector of the Space...

The James Webb Space Telescope (2006)

Gardner, Jonathan P., Mather, John C., Clampin, Mark, Doyon, Rene, Greenhouse, Matthew A., Hammel, Heidi B., ...

The James Webb Space Telescope (JWST) is a large (6.6m), cold (50K), infrared-optimized space observatory that will be launched early in the next decade. The observatory will have four instruments: a...

Science with the James Webb space telescope (2006)

Gardner, Jonathan P., Mather, John C., Clampin, Mark, Doyon, Rene, Greenhouse, Matthew A., Hammel, Heidi B., ...

The scientific capabilities of the James Webb Space Telescope (JWST) fall into four themes. The End of the Dark Ages: First Light and Reionization theme seeks to identify the first luminous sources...

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....

GRAPES, Grism Spectroscopy of the Hubble Ultra Deep Field: Description and Data Reduction (2004)

Pirzkal, N., Xu, C., Malhotra, S., Rhoads, J. E., Koekemoer, A. M., Moustakas, L. A., ...

We present deep unbiased spectroscopy of the Hubble Ultra Deep Field (UDF) carried out using the slitless grism spectroscopy mode of the Advance Camera for Surveys on the Hubble Space Telescope...

Detecting Population III stars through observations of near-IR cosmic infrared background anisotropies (2004)

Kashlinsky, A., Arendt, R., Gardner, Jonathan P., Mather, J., Moseley, S. Harvey

Following the successful mapping of the last scattering surface by WMAP and balloon experiments, the epoch of the first stars, when Population III stars formed, is emerging as the next cosmological...

Measurement of Cosmic Shear with the Space Telescope Imaging Spectrograph (2003)

Rhodes, Jason, Refregier, Alexandre, Collins, Nicholas R., Gardner, Jonathan P., Groth, Edward J., Hill, Robert S.

Weak lensing by large-scale structure allows a direct measure of the dark matter distribution. We have used parallel images taken with the Space Telescope Imaging Spectrograph (STIS) on the Hubble...

Evolution in the Colors of Lyman-Break Galaxies from Z~4 to Z~3 (2003)

Papovich, Casey, Dickinson, Mark, Ferguson, Henry C., Giavalisco, Mauro, Lotz, Jennifer, Madau, Piero, ...

The integrated colors of distant galaxies provide a means for interpreting the properties of their stellar content. Here, we use rest-frame UV-to-optical colors to constrain the spectral-energy...

The Size Evolution of High Redshift Galaxies (2003)

Ferguson, Henry C., Dickinson, Mark, Giavalisco, Mauro, Kretchmer, Claudia, Ravindranath, Swara, Idzi, Rafal, ...

Hubble Space Telescope images of high-redshift galaxies selected via color and photometric redshifts are used to examine the size and axial-ratio distribution of galaxies as a function of redshift at...

The Rest-Frame UV Luminosity Density of Star-Forming Galaxies at Redshifts z>3.5 (2003)

Giavalisco, M., Dickinson, M., Ferguson, H. C., Ravindranath, S., Kretchmer, C., Moustakas, L. A., ...

We have measured the rest--frame lambda~1500 Ang comoving specific luminosity density of star--forming galaxies at redshift 3.5

The Redshift Distribution of Near-IR Selected Galaxies in the Great Observatories Origins Deep Survey as a Test of Galaxy Formation Scenarios (2003)

Somerville, Rachel S., Moustakas, Leonidas A., Mobasher, Bahram, Gardner, Jonathan P., Cimatti, Andrea, Conselice, Christopher, ...

The redshift distribution of near-IR selected galaxies is often used to attempt to discriminate between the classical view of galaxy formation, in which present-day luminous galaxies were assembled...

Cosmic Variance in the Great Observatories Origins Deep Survey (2003)

Somerville, Rachel S., Lee, Kyoungsoo, Ferguson, Henry C., Gardner, Jonathan P., Moustakas, Leonidas A., Giavalisco, Mauro

Cosmic variance is the uncertainty in observational estimates of the volume density of extragalactic objects such as galaxies or quasars arising from the underlying large-scale density fluctuations....

Observing the Formation of the Hubble Sequence in the Great Observatories Origins Deep Survey (2003)

Conselice, Christopher J., Grogin, Norman A., Jogee, Shardha, Lucas, Ray A., Dahlen, Tomas, De Mello, Duilia, ...

Understanding the physical formation of the Hubble sequence remains one of the most important unsolved astrophysical problems. Searches for proto-disks and proto-ellipticals can now be effectively...

The Nature of Near-UV Selected Objects in the Chandra Deep Field South (2003)

De Mello, Duilia. F., Gardner, Jonathan. P., Dahlen, T., Conselice, C. J., Grogin, N. A., Koekemoer, A. M.

We present the first results of the pure parallel near-UV observations with WFPC2 in the Chandra Deep Field South. The main goal is to search for the population of objects that contribute to the rise...

Emission Line Galaxies in the STIS Parallel Survey II: Star Formation Density (2002)

Teplitz, Harry I., Collins, Nicholas R., Gardner, Jonathan P., Hill, Robert S., Rhodes, Jason

We present the luminosity function of [OII]-emitting galaxies at a median redshift of z=0.9, as measured in the deep spectroscopic data in the STIS Parallel Survey (SPS). The luminosity function...

Emission Line Galaxies in the STIS Parallel Survey I: Observations and Data Analysis (2002)

Teplitz, Harry I., Collins, Nicholas R., Gardner, Jonathan P., Hill, Robert S., Heap, Sara R., Lindler, Don J., ...

In the first three years of operation STIS obtained slitless spectra of approximately 2500 fields in parallel to prime HST observations as part of the STIS Parallel Survey (SPS). The archive contains...

The Hubble Deep Field South Flanking Fields (2002)

Lucas, Ray A., Baum, Stefi A., Brown, Thomas M., Casertano, Stefano, Conselice, Chris, De Mello, Duilia, ...

As part of the Hubble Deep Field South program, a set of shorter 2-orbit observations were obtained of the area adjacent to the deep fields. The WFPC2 flanking fields cover a contiguous solid angle...

Wide Field Imaging of the Hubble Deep Field South Region II: The Evolution of Galaxy Clustering at z (2000)

Teplitz, Harry I., Hill, Robert S., Malumuth, Eliot M., Collins, Nicholas R., Gardner, Jonathan P., Palunas, Povilas, ...

We present the galaxy-galaxy angular correlations as a function of photometric redshift in a deep-wide galaxy survey centered on the Hubble Deep Field South. Images were obtained with the Big...

Ultraviolet Galaxy Counts from STIS Observations of the Hubble Deep Fields (2000)

Gardner, Jonathan P., Brown, Thomas M., Ferguson, Henry C.

We present galaxy counts in the near-ultraviolet (NUV; 2365\AA) and far-ultraviolet (FUV; 1595\AA) obtained from Space Telescope Imaging Spectrograph (STIS) observations of portions of the Hubble...

Redshift estimation from low-resolution prism SEDs with an NGST MOS (2000)

Teplitz, Harry I., Malumuth, Eliot, Woodgate, Bruce E., Moseley, S. Harvey, Gardner, Jonathan P., Kimble, Randy A., ...

We discuss the utility of a low resolution prism as a component of a Multi-Object Spectrometer for NASA's proposed Next Generation Space Telescope (NGST). Low resolution prism spectroscopy permits...

Wide Field Imaging of the Hubble Deep Field-South Region I: Quasar Candidates (2000)

Palunas, Povilas, Collins, Nicholas R., Gardner, Jonathan P., Hill, Robert S., Malumuth, Eliot M., Smette, Alain, ...

We present candidate quasars from a multi-color (uBVRI + narrow-band) imaging survey of 1/2 square degree around the Hubble Deep Field - South. We identify 154 candidate quasars with B < 23 using...

Measurements of the Diffuse Ultraviolet Background and the Terrestrial Airglow with the Space Telescope Imaging Spectrograph (2000)

Brown, Thomas M., Kimble, Randy A., Ferguson, Henry C., Gardner, Jonathan P., Collins, Nicholas R., Hill, Robert S.

Far-UV observations in and near the Hubble Deep Fields demonstrate that the Space Telescope Imaging Spectrograph (STIS) can potentially obtain unique and precise measurements of the diffuse...

Counts and Sizes of Galaxies in the Hubble Deep Field - South: Implications for the Next Generation Space Telescope (2000)

Gardner, Jonathan P., Satyapal, Shobita

Science objectives for the Next Generation Space Telescope (NGST) include a large component of galaxy surveys, both imaging and spectroscopy. The Hubble Deep Field datasets include the deepest...

Galaxy Morphology from NICMOS Parallel Imaging (1998)

Teplitz, Harry I., Gardner, Jonathan P., Malumuth, Eliot M., Heap, Sara R.

We present high resolution NICMOS images of random fields obtained in parallel to other HST observations. We present galaxy number counts reaching H=24. The H-band galaxy counts show good agreement...

An Extendable Galaxy Number Count Model (1998)

Gardner, Jonathan P.

I review galaxy number count models and present ncmod, an extendable and general purpose model for comparing and interpreting the results of field galaxy survey data. I develop techniques and...