A Simultaneous Stacking and Deblending Algorithm for Astronomical Images (2009)
Kurczynski, Peter, Gawiser, Eric
Stacking analysis is a means of detecting faint sources using a priori position information to estimate an aggregate signal from individually undetected objects. Confusion severely limits the...
Introducing the Photometric Maximum Likelihood Method: Galaxy Luminosity Functions at z (2009)
Christlein, Daniel, Gawiser, Eric, Marchesini, Danilo, Padilla, Nelson
We present a new maximum likelihood method for the calculation of galaxy luminosity functions from multi-band photometric surveys without spectroscopic data. The method evaluates the likelihood of a...
Spectral Energy Distribution Fitting: Application to Lyman Alpha-Emitting Galaxies (2009)
Spectral Energy Distribution (SED) fitting is a well-developed astrophysical tool that has recently been applied to high-redshift Lyman Alpha-emitting galaxies. If rest-frame ultraviolet through...
Understanding Lyman-alpha emitters (2009)
Nilsson, Kim K., Meisenheimer, Klaus, Bond, Nicholas, Gawiser, Eric, Francke, Harold, Kunth, Daniel, ...
This publication contains the conference summary of the Understanding Lyman-alpha Emitters conference held at the Max Planck Institute for Astronomy in Heidelberg October 6 - 10, 2008. The scope of...
Increasing the Number of Underrepresented Minorities in Astronomy: Executive Summary (2009)
Norman, Dara, Agueros, Marcel, Anderson, Scott F., Baker, Andrew, ...
Promoting racial and ethnic diversity is critically important to the future success and growth of the field of astronomy. The raw ability, drive and interest required to excel in the field is...
Norman, Dara, Agueros, Marcel, Anderson, Scott F., Baker, Andrew, ...
If the ethnic makeup of the astronomy profession is to achieve parity with the general population within one generation (~30 years), the number of underrepresented minorities earning graduate degrees...
Norman, Dara, Agueros, Marcel, Anderson, Scott F., Baker, Andrew, ...
In order to attract, recruit and retain underrepresented minority students to pursue Astronomy and related fields, we must ensure that there continues to be a well qualified pool of graduate and...
Research Science and Education: The NSF's Astronomy and Astrophysics Postdoctoral Fellowship (2009)
Norman, Dara, Agueros, Marcel, Brown, Timothy M., Browning, Matthew, Chakrabarti, Sukanya, Cobb, Bethany, ...
The NSF's Astronomy and Astrophysics Postdoctoral Fellowship (AAPF) is exceptional among the available postdoctoral awards in Astronomy and Astrophysics. The fellowship is one of the few that allows...
Taylor, Edward N, Franx, Marijn, Van Dokkum, Pieter G, Quadri, Ryan F, Gawiser, Eric, Bell, Eric F, ...
We present a new K-selected, optical-to-near-infrared photometric catalog of the Extended Chandra Deep Field South (ECDFS), making it publicly available to the astronomical community. The dataset is...
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...
Taylor, Edward N, Franx, Marijn, Van Dokkum, Pieter G, Bell, Eric F, Brammer, Gabriel B, Rudnick, Gregory, ...
We present the color-magnitude and color-stellar mass diagrams for galaxies with z_phot < ~2, based on a K < 22 (AB) catalog of the Extended Chandra Deep Field South (ECDFS) from the MUltiwavelength...
Blanc, Guillermo A., Lira, Paulina, Barrientos, L. Felipe, Aguirre, Paula, Francke, Harold, Taylor, Edward N., ...
We present K-band imaging of two ~30'x30' fields covered by the MUSYC Wide NIR Survey. The 1030 and 1255 fields were imaged with ISPI on the 4m Blanco telescope at CTIO to a 5 sigma point-source...
Mid-infrared Properties and Color Selection for X-ray Detected AGN in the MUSYC ECDF-S field (2008)
Cardamone, Carolin N., Urry, C. Megan, Damen, Maaike, Van Dokkum, Pieter, Treister, Ezequiel, Labbé, Ivo, ...
We present the mid-infrared colors of X-ray-detected AGN and explore mid-infrared selection criteria. Using a statistical matching technique, the likelihood ratio, over 900 IRAC counterparts were...
Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Illingworth, Garth D., Marchesini, Danilo, Quadri, Ryan, ...
Using the Gemini Near-InfraRed Spectrograph (GNIRS), we have completed a near-infrared spectroscopic survey for K-bright galaxies at z~2.3, selected from the MUSYC survey. We derived spectroscopic...
Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Illingworth, Garth D., Marchesini, Danilo, Quadri, Ryan, ...
Clustering of Intermediate Luminosity X-ray selected AGN at z~3 (2007)
Francke, Harold, Gawiser, Eric, Lira, Paulina, Treister, Ezequiel, Virani, Shanil, Cardamone, Carie, ...
We present the first clustering results of X-ray selected AGN at z~3. Using Chandra X-ray imaging and UVR optical colors from MUSYC photometry in the ECDF-S field, we selected a sample of 58 z~3 AGN...
Clusters, Clustering and a Constraint on Primordial Non-Gaussianity (2007)
James Robinson Eric, Eric Gawiser, Joseph Silk
. We show how the number density and clustering strength of present day clusters of galaxies can be used to constrain non-gaussianity in the primordial fluctuations in the universe. 1. Introduction...
Spitzer Constraints on the Stellar Populations of Lyman-Alpha Emitting Galaxies at z = 3.1 (2007)
Lai, Kamson, Huang, Jia-Sheng, Fazio, Giovanni, Gawiser, Eric, Ciardullo, Robin, Damen, Maaike, ...
We investigate the stellar populations of a sample of 162 Lyman-alpha emitting galaxies (LAEs) at z = 3.1 in the Extended Chandra Deep Field South, using deep Spitzer IRAC data available from the...
Ly Alpha-Emitting Galaxies at z=3.1: L* Progenitors Experiencing Rapid Star Formation (2007)
Gawiser, Eric, Francke, Harold, Lai, Kamson, Schawinski, Kevin, Gronwall, Caryl, Ciardullo, Robin, ...
We studied the clustering properties and multiwavelength spectral energy distributions of a complete sample of 162 Ly Alpha-Emitting (LAE) galaxies at z=3.1 discovered in deep narrow-band MUSYC...
Spitzer Mid-to-Far-Infrared Flux Densities of Distant Galaxies (2007)
Papovich, Casey, Rudnick, Gregory, Floc'h, Emeric Le, Van Dokkum, Pieter G., Rieke, George H., Taylor, Edward N., ...
We study the infrared (IR) properties of high-redshift galaxies using deep Spitzer 24, 70, and 160 micron data. Our primary interest is to improve the constraints on the total IR luminosities, L(IR),...
The Ucsd/Keck Damped Lya Abundance Database: A Decade of High Resolution Spectroscopy (2007)
Prochaska, Jason X., Wolfe, Arthur M., Howk, J. Christopher, Gawiser, Eric, Burles, Scott M., Cooke, Jeff
We publish the Keck/HIRES and Keck/ESI spectra that we have obtained during the first 10 years of Keck observatory operations. Our full sample includes 42 HIRES spectra and 39 ESI spectra along 65...
Systematic Uncertainties in Stellar Mass Estimation for Distinct Galaxy Populations (2007)
Kannappan, Sheila J., Gawiser, Eric
We show that different stellar-mass estimation methods yield overall mass scales that disagree by factors up to ~2 for the z=0 galaxy population, and more importantly, relative mass scales that...
Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Illingworth, Garth D., Coppi, Paolo, Förster Schreiber, Natascha M., ...
Quadri, Ryan, Marchesini, Danilo, Van Dokkum, Pieter, Gawiser, Eric, Franx, Marijn, Lira, Paulina, ...
Publicación ISI
Quadri, Ryan, Marchesini, Danilo, Van Dokkum, Pieter, Gawiser, Eric, Franx, Marijn, Lira, Paulina, ...
Publicación ISI
Quadri, Ryan, Marchesini, Danilo, Van Dokkum, Pieter, Gawiser, Eric, Franx, Marijn, Lira, Paulina, ...
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...
CXOCY J220132.8-320144: An edge-on spiral gravitational lens (2006)
Castander, Francisco J., Treister, Ezequiel, Maza, José, Gawiser, Eric
We present the CXOCY J220132.8-320144 system, which is composed of an edge-on spiral galaxy at z = 0.32 lensing a z = 3.9 background quasar. Two images of the quasar are seen. The geometry of the...
Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Illingworth, Garth D., Coppi, Paolo, Schreiber, Natascha M. Forster, ...
Using the Gemini Near-InfraRed Spectrograph (GNIRS), we have assembled a complete sample of 20 K-selected galaxies at 2.0
The rest-frame optical luminosity functions of galaxies at 2 (2006)
Marchesini, Danilo, Van Dokkum, Pieter, Quadri, Ryan, Rudnick, Gregory, Franx, Marijn, Lira, Paulina, ...
We present the rest-frame optical (B, V, and R band) luminosity functions (LFs) of galaxies at 2
Kriek, Mariska, Dokkum, Pieter G. Van, Franx, Marijn, Quadri, Ryan, Gawiser, Eric, Herrera, David, ...
We present first results of a spectroscopic survey targeting K-selected galaxies at using the Gemini z = 2.0 - 2.7 near-infrared spectrograph (GNIRS). We obtained near-infrared spectra with a...
Kriek, Mariska, Van Dokkum, Pieter, Franx, Marijn, Quadri, Ryan, Gawiser, Eric, Herrera, David, ...
We present first results of a spectroscopic survey targeting K-selected galaxies at z=2.0-2.7 using the GNIRS instrument on Gemini-South. We obtained near-infrared spectra with a wavelength coverage...
Cooke, Jeff, Wolfe, Arthur M., Gawiser, Eric, Prochaska, Jason X.
We use 211 galaxy spectra from our survey for Lyman break galaxies (LBGs) associated with 11 damped Lyman alpha systems (DLAs) to measure the three-dimensional LBG auto-correlation and DLA-LBG...
Clustering of K-selected Galaxies at 2 (2006)
Quadri, Ryan, Van Dokkum, Pieter, Gawiser, Eric, Franx, Marijn, Marchesini, Danilo, Lira, Paulina, ...
We study the clustering properties of K-selected galaxies at 2
The physical nature of Ly alpha-emitting galaxies at z=3.1 (2006)
Gawiser, Eric, Dokkum, Pieter G. Van, Gronwall, Caryl, Ciardullo, Robin, Blanc, Guillermo A., Castander, Francisco J., ...
We selected 40 candidate Ly alpha-emitting galaxies ( LAEs) at z similar or equal to 3.1 with observed-frame equivalent widths greater than 150 and inferred emission-line fluxes above 2.5 x 10(-17)...
The UCSD Radio-Selected Quasar Survey for Damped Lyman alpha System (2006)
Jorgenson, Regina A., Wolfe, Arthur M., Prochaska, Jason X., Lu, Limin, Howk, J. Christopher, Cooke, Jeff, ...
As large optical quasar surveys for damped Lya become a reality and the study of star forming gas in the early Universe achieves statistical robustness, it is now vital to identify and quantify the...
The Physical Nature of Lyman Alpha Emitting Galaxies at z=3.1 (2006)
Gawiser, Eric, Van Dokkum, Pieter G., Gronwall, Caryl, Ciardullo, Robin, Blanc, Guillermo A., Castander, Francisco J., ...
We selected 40 candidate Lyman Alpha Emitting galaxies (LAEs) at z ~=3.1 with observed frame equivalent widths >150A and inferred emission line fluxes >2.5x10^-17 ergs/cm^2/s from deep narrow-band...
Gawiser, Eric, Collaboration, For The MUSYC
The Multiwavelength Survey by Yale-Chile (MUSYC) is optimized for the study of galaxies at z=3, AGN demographics, and Galactic structure. MUSYC consists of deep optical (UBVRIz') and near-infrared...
Kriek, Mariska, Van Dokkum, Pieter, Franx, Marijn, Schreiber, Natascha Forster, Gawiser, Eric, Illingworth, Garth, ...
We use near-infrared (NIR) spectroscopy obtained with GNIRS on Gemini, NIRSPEC on KECK, and ISAAC on the VLT to study the rest-frame optical continua of three `Distant Red Galaxies' (having Js - Ks >...
Star formation in distant red galaxies: Spitzer observations in the Hubble Deep Field-South (2006)
Webb, Tracy M. A., Dokkum, Pieter Van, Egami, Eiichi, Fazio, Giovanni, Franx, Marijn, Gawiser, Eric, ...
We present Spitzer 24 mu m imaging of 1.5 < z < 2.5 distant red galaxies (DRGs) in the 10' x 10' extended Hubble Deep Field-South of the Multiwavelength Survey by Yale-Chile. We detect 65% of the...
Gawiser, Eric, Dokkum, Pieter G. Van, Herrera, David, Maza, José, Castander, Francisco J., Infante, Leopoldo, ...
We present UBVRIz' optical images taken with MOSAIC on the CTIO 4 m telescope of the 0.32 deg(2) Extended Hubble Deep Field-South. This is one of four fields comprising the MUSYC survey, which is...
Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Förster Schreiber, Natascha M., Gawiser, Eric, Illingworth, Garth D., ...
Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Quadri, Ryan, Gawiser, Eric, Herrera, David, ...
We present first results of a spectroscopic survey targeting K-selected galaxies at z=2.0-2.7 using the Gemini near-infrared spectrograph (GNIRS). We obtained near-infrared spectra with a wavelength...
Kriek, Mariska, Van Dokkum, Pieter G., Franx, Marijn, Förster Schreiber, Natascha M., Gawiser, Eric, Illingworth, Garth D., ...
We use near-infrared (NIR) spectroscopy obtained with the GNIRS on Gemini, NIRSPEC on the Keck, and ISAAC on the VLT to study the rest-frame optical continua of three ``distant red galaxies'' (with...
I summarize current knowledge of galaxy formation with emphasis on the initial conditions provided by the Lambda CDM cosmology, integral constraints from cosmological quantities, and the demographics...
Star Formation in Distant Red Galaxies: Spitzer observations in the Hubble Deep Field South (2005)
Webb, Tracy, Van Dokkum, Pieter, Egami, Eiichi, Fazio, Giovanni, Franx, Marijn, Gawiser, Eric, ...
We present Spitzer 24micron imaging of 1.5 < z < 2.5 Distant Red Galaxies (DRGs) in the 10arcmin by 10arcmin Extended Hubble Deep Field South of the Multiwavelength Survey by Yale-Chile. We detect...
The Extended Chandra Deep Field-South Survey: Optical Properties of X-ray Detected Sources (2005)
Virani, Shanil, Treister, Ezequiel, Urry, C. Megan, Gawiser, Eric, Collaboration, The MUSYC
The Extended Chandra Deep Field-South (E-CDF-S) survey consists of 4 Chandra ACIS-I pointings and covers ~1100 square arcminutes (~0.3 deg^2) centered on the original CDF-S field to a depth of...
Damped Lyman alpha Systems (2005)
Wolfe, Arthur M., Gawiser, Eric, Prochaska, Jason X.
Observations of damped Lyman alpha systems offer a unique window on the neutral-gas reservoirs that gave rise to galaxies at high redshifts. This review focuses on critical properties such as the H I...
The Extended Chandra Deep Field-South Survey: X-ray Point-Source Catalog (2005)
Virani, Shanil, Treister, Ezequiel, Urry, C. Megan, Gawiser, Eric
The Extended Chandra Deep Field-South (ECDFS) survey consists of 4 Chandra ACIS-I pointings and covers $\approx$ 1100 square arcminutes ($\approx$ 0.3 deg$^2$) centered on the original CDF-S field to...
Treister, Ezequiel, Castander, Francisco, Maccarone, Thomas, Gawiser, Eric, Coppi, Paolo, Urry, C. Megan, ...
We present the first results from the Cal\'an-Yale Deep Extragalactic Research (CYDER) survey. The main goal of this survey is to study serendipitous X-ray sources detected by Chandra in an...
On the Nature of the Heat Source for Damped Lya Systems (2004)
Wolfe, Arthur M., Howk, J. Chris, Gawiser, Eric, Prochaska, Jason X., Lopez, Sebastian
We investigate the heat source of the neutral gas comprising DLAs. Unlike the Lya forest, where the extragalactic background radiation field ionizes and heats the gas, we find that grain...
A Rejuvenated Universe Without Initial Singularity (2003)
Cosmological observations strongly suggest the presence of dark energy which comprises the majority of the current energy density of the universe. The equation of state relating the pressure and...
An X-ray Selected AGN at z=4.6 Discovered by the CYDER Survey (2003)
Treister, Ezequiel, Castander, Francisco J., Maccarone, Thomas J., Herrera, David, Gawiser, Eric, Maza, Jose, ...
We present the discovery of a high redshift, X-ray selected AGN by the Calan-Yale Deep Extragalactic Research (CYDER) survey: CXOCY J033716.7-050153, located at $z=4.61$, the second high redshift AGN...
The ESI/KeckII Damped Lya Abundance Database (2003)
Prochaska, Jason X., Gawiser, Eric, Wolfe, Arthur M., Cooke, Jeff, Gelino, Dawn
This paper presents chemical abundance measurements for 37 damped Lya systems at z>2.5 observed with the Echellette Spectrograph and Imager on the KeckII telescope. We measure the HI column densities...
The Age-Metallicity Relation of the Universe in Neutral Gas: The First 100 Damped Lya Systems (2003)
Prochaska, Jason X., Gawiser, Eric, Wolfe, Arthur M., Castro, Sandro, Djorgovski, S. G.
We present accurate metallicity measurements for 121 damped Lya systems at 0.5
CII* Absorption in Damped Lyman Alpha Systems: (I) Star Formation Rates in a Two-Phase Medium (2003)
Wolfe, Arthur M., Prochaska, Jason X., Gawiser, Eric
We describe a technique that for the first time measures star formation rates (SFRs) in damped Lyman alpha systems(DLAs) directly. We assume that massive stars form in DLAs, and that the FUV...
Wolfe, Arthur M., Gawiser, Eric, Prochaska, Jason X.
Starting from the SFR per unit physical area, determined for DLAs using the C II* method, we obtain the SFR per unit comoving volume at $z$ $\approx$ 3, and find that it agrees with that for the...
Galaxies Associated with z~4 Damped Lya Systems: I. Imaging and Photometric Selection (2002)
Prochaska, Jason X., Gawiser, Eric, Wolfe, Arthur M., Quirrenbach, Andreas, Lanzetta, Kenneth M., Chen, Hsiao-Wen, ...
This paper describes the acquisition and analysis of imaging data for the identification of galaxies associated with z~4 damped Lya systems. We present deep BRI images of three fields known to...
The UCSD HIRES/KeckI Damped Lya Abundance Database: I. The Data (2001)
Prochaska, Jason X., Wolfe, Arthur M., Tytler, David, Burles, Scott, Cooke, Jeff, Gawiser, Eric, ...
We present new chemical abundance measurements of 16 damped Lya systems at z>1.5 and update our previous abundance analyses. The entire database presented here was derived from HIRES observations on...
Interpreting CMB Anisotropy Observations: Trying to Tell the Truth with Statistics (2001)
A conflict has been reported between the baryon density inferred from deuterium observations and that found from recent CMB observations by BOOMERanG and MAXIMA. Despite the flurry of papers that...
First Investigation of the Clustering Environment of Damped Lyman Alpha Absorbers at z=4 (2001)
Gawiser, Eric, Wolfe, Arthur M., Prochaska, Jason X., Lanzetta, Kenneth M., Yahata, Noriaki, Quirrenbach, Andreas
We report the first observations of the clustering environment of damped Lyman alpha absorption systems at z=4. Color selection and photometric redshifts were used to select 44 candidate Lyman-break...
Prochaska, Jason X., Gawiser, Eric, Wolfe, Arthur M.
We present the first results from an ongoing survey to discover and measure the metallicity of z>3 damped Lya systems with the Echellette Spectrograph and Imager (ESI) on the Keck II telescope. Our...
Limits on Neutrino Masses from Large-Scale Structure (2000)
Massive neutrinos have a detectable effect on cosmological structure formation, in particular on the large-scale distribution of galaxies. Adding Hot Dark Matter to the now-standard Lambda CDM model...
Is the Lambda CDM Model Consistent with Observations of Large-Scale Structure? (2000)
The claim that large-scale structure data independently prefers the Lambda Cold Dark Matter model is a myth. However, an updated compilation of large-scale structure observations cannot rule out...
Big Bang Leftovers in the Microwave: Cosmology with the Cosmic Microwave Background Radiation (2000)
We combine detections of anisotropy in the Cosmic Microwave Background radiation with observations of inhomogeneity in the large-scale distribution of galaxies to test the predictions of models of...
The Cosmic Microwave Background Radiation (2000)
We summarize the theoretical and observational status of the study of the Cosmic Microwave Background radiation. Its thermodynamic spectrum is a robust prediction of the Hot Big Bang cosmology and...
Constraining Primordial Non-Gaussianity With the Abundance of High Redshift Clusters (1999)
Robinson, James, Gawiser, Eric, Silk, Joseph
We show how observations of the evolution of the galaxy cluster number abundance can be used to constrain primordial non-Gaussianity in the universe. We carry out a maximum likelihood analysis...
WOMBAT & FORECAST: Making Realistic Maps of the Microwave Sky (1999)
Jaffe, Andrew H., Gawiser, Eric, Finkbeiner, Douglas, Baker, Joanne C., Balbi, Amedeo, Davis, Marc, ...
The Wavelength-Oriented Microwave Background Analysis Team (WOMBAT) is constructing microwave maps which will be more realistic than previous simulations. Our foreground models represent a...
The WOMBAT Challenge: A "Hounds and Hares" Exercise for Cosmology (1998)
Gawiser, Eric, Finkbeiner, Douglas, Jaffe, Andrew, Baker, Joanne C., Balbi, Amedeo, Davis, Marc, ...
The Wavelength-Oriented Microwave Background Analysis Team (WOMBAT) is constructing microwave skymaps which will be more realistic than previous simulations. Our foreground models represent a...
From the Cosmological Microwave Background to Large-Scale Structure (1998)
The shape of the primordial fluctuation spectrum is probed by cosmic microwave background fluctuations which measure density fluctuations at z~1000 on scales of hundreds of Mpc and from galaxy...
Contribution of Bright Extragalactic Radio Sources to Microwave Anisotropy (1998)
Sokasian, Aaron, Gawiser, Eric, Smoot, George F.
We estimate the contribution of extragalactic radio sources to fluctuations in sky temperature over the range of frequencies (10-300 GHz) used for Cosmic Microwave Background (CMB) anisotropy...
Observational Constraints on Microwave Anisotropy from Point Sources (1998)
Gawiser, Eric, Jaffe, Andrew, Silk, Joseph
Applying basic physical principles to recent observational results, we derive upper and lower limits on microwave anisotropy from point sources over the range of frequencies 10-1000 GHz. We examine...
Reconstructing the Primordial Power Spectrum (1998)
Cosmological models predict transfer functions by which primordial density perturbations develop into CMB anisotropy and Large-Scale Structure. We use the current set of observations to reconstruct...
Extracting Primordial Density Fluctuations (1998)
The combination of detections of anisotropy in the Cosmic Microwave Background radiation and observations of the large-scale distribution of galaxies probes the primordial density fluctuations of the...
Robinson, James, Gawiser, Eric, Silk, Joseph
We consider constraints on the amplitude of mass fluctuations in the universe, sigma_8, derived from two simple observations: the present number density of clusters and the amplitude of their...
Contribution of Extragalactic Infrared Sources to CMB Foreground Anisotropy (1996)
Gawiser, Eric, Smoot, George F.
We estimate the level of confusion to Cosmic Microwave Background anisotropy measurements caused by extragalactic infrared sources. CMB anisotropy observations at high resolution and high frequencies...