Eiichi Egami

LoCuSS: First Results from Strong-lensing Analysis of 20 Massive Galaxy Clusters at z~0.2 (2009)

Richard, Johan, Smith, Graham, Kneib, Jean-Paul, Ellis, Richard, Sanderson, Alastair, Pei, Liuyi, ...

We present a statistical analysis of a sample of 20 strong lensing clusters drawn from the Local Cluster Substructure Survey (LoCuSS), based on high resolution Hubble Space Telescope imaging of the...

Paschen-alpha Emission in the Gravitationally Lensed Galaxy SMM J163554.2+661225 (2009)

Papovich, Casey, Rudnick, Gregory, Rigby, Jane, Willmer, Christopher, Finkelstein, Steven, ...

We report the detection of the Paschen-alpha emission line in the z=2.515 galaxy SMM J163554.2+661225 using Spitzer spectroscopy. SMM J163554.2+661225 is a sub-millimeter-selected infrared...

Turning Back the Clock: Inferring the History of the Eight O'clock Arc (2009)

Finkelstein, Steven L., Papovich, Casey, Rudnick, Gregory, Egami, Eiichi, Floc'h, Emeric Le, Rieke, Marcia J., ...

We present the results from an optical and near-infrared spectroscopic study of the ultraviolet-luminous z = 2.73 galaxy, the 8 o'clock arc. Due to gravitational lensing, this galaxy is magnified by...

A Hubble and Spitzer space telescope survey for gravitationally lensed galaxies: further evidence for a significant population of low-luminosity galaxies beyond z=7 (2008)

Richard, Johan, Stark, Daniel P., Ellis, Richard S., George, Matthew R., Egami, Eiichi, Kneib, Jean-Paul, ...

We present the results of a systematic search for gravitationally lensed continuum Lyman break "dropouts" beyond a redshift 7 conducted via very deep imaging through six foreground clusters...

Observations of the Gas Reservoir around a Star Forming Galaxy in the Early Universe (2008)

Frye, Brenda L., Bowen, David. V., Hurley, Mairead, Tripp, Todd M., Fan, Xiaohui, Holden, Bradley, ...

We present a high signal-to-noise spectrum of a bright galaxy at z = 4.9 in 14 h of integration on VLT FORS2. This galaxy is extremely bright, i_850 = 23.10 +/- 0.01, and is strongly-lensed by the...

Discovery of a Giant Lya Emitter Near the Reionization Epoch (2008)

Ouchi, Masami, Ono, Yoshiaki, Egami, Eiichi, Saito, Tomoki, Oguri, Masamune, McCarthy, Patrick J., ...

We report the discovery of a giant Lya emitter (LAE) with a Spitzer/IRAC counterpart near the reionization epoch at z=6.595. The giant LAE is found from the extensive 1 deg^2 Subaru narrow-band...

A Hubble & Spitzer Space Telescope Survey for Gravitationally-Lensed Galaxies: Further Evidence for a Significant Population of Low Luminosity Galaxies beyond Redshift Seven (2008)

Richard, Johan, Stark, Daniel P., Ellis, Richard S., George, Matthew R., Egami, Eiichi, Kneib, Jean-Paul, ...

We present the results of a systematic search for gravitationally-lensed continuum Lyman break `drop-outs' beyond a redshift 7 conducted via very deep imaging through six foreground clusters...

An Infrared Survey of Brightest Cluster Galaxies. II: Why are Some Brightest Cluster Galaxies Forming Stars? (2008)

O'Dea, Christopher P., Baum, Stefi A., Privon, George, Noel-Storr, Jacob, Quillen, Alice C., Zufelt, Nicholas, ...

Quillen et al.(2007) presented an imaging survey with the {\it Spitzer Space Telescope} of 62 brightest cluster galaxies with optical line emission located in the cores of X-ray luminous clusters....

An Infrared Survey of Brightest Cluster Galaxies. II: Why are Some Brightest Cluster Galaxies Forming Stars? (2008)

Christopher P. O’dea, Stefi A. Baum, George Privon, Jacob Noel-storr, Alice C. Quillen, Nicholas Zufelt, ...

Quillen et al.(2007) reported on an imaging survey with the Spitzer Space Telescope of 62 brightest cluster galaxies with optical line emission located in the cores of X-ray luminous clusters...

The stellar mass assembly of galaxies from z=0 to z=4. Analysis of a sample selected in the rest-frame near-infrared with Spitzer (2007)

Perez-Gonzalez, Pablo G., Rieke, George H., Villar, Victor, Barro, Guillermo, Blaylock, Myra, Egami, Eiichi, ...

Using a sample of ~28,000 sources selected at 3.6-4.5 microns with Spitzer observations of the HDF-N, the CDF-S, and the Lockman Hole (surveyed area: ~664 arcmin^2), we study the evolution of the...

Absolute Calibration and Characterization of the Multiband Imaging Photometer for Spitzer. II. 70 micron Imaging (2007)

Gordon, Karl D., Engelbracht, Charles W., Fadda, Dario, Stansberry, John, Wachter, Stefanie, Frayer, Dave T., ...

The absolute calibration and characterization of the Multiband Imaging Photometer for Spitzer (MIPS) 70 micron coarse- and fine-scale imaging modes are presented based on over 2.5 years of...

Optical and Infrared Non-detection of the z=10 Galaxy Behind Abell 1835 (2006)

Smith, Graham P., Sand, David J., Egami, Eiichi, Stern, Daniel, Eisenhardt, Peter R.

Gravitational lensing by massive galaxy clusters is a powerful tool for the discovery and study of high redshift galaxies, including those at z>=6 likely responsible for cosmic re-ionization. Pello...

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...

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...

Spitzer view on the evolution of star-forming galaxies from z=0 to z~3 (2005)

Perez-Gonzalez, Pablo G., Rieke, George H., Egami, Eiichi, Alonso-Herrero, Almudena, Dole, Herve, Papovich, Casey, ...

We use a 24 micron selected sample containing more than 8,000 sources to study the evolution of star-forming galaxies in the redshift range from z=0 to z~3. We obtain photometric redshifts for most...

Towards an understanding of the rapid decline of the cosmic star formation rate (2005)

Bell, Eric F., Papovich, Casey, Wolf, Christian, Floc'h, Emeric Le, Caldwell, John A. R., Barden, Marco, ...

We present a first analysis of deep 24 micron observations with the Spitzer Space Telescope of a sample of nearly 1500 galaxies in a thin redshift slice, 0.65

Infrared echoes near the Supernova remnant Cassiopeia A (2005)

Krause, Oliver, Rieke, George H., Birkmann, Stephan M., Le Floc'h, Emeric, Gordon, Karl D., Egami, Eiichi, ...

Two images of Cassiopeia A obtained at 24 micrometers with the Spitzer Space Telescope over a 1-year time interval show moving structures outside the shell of the supernova remnant to a distance of...

Toward an understanding of the rapid decline of the cosmic star formation rate (2005)

Bell, Eric F., Papovich, Casey, Wolf, Christian, Le Floc'h, Emeric, Caldwell, John A. R., Barden, Marco, ...

We present a first analysis of deep 24 mum observations with the Spitzer Space Telescope of a sample of nearly 1500 galaxies in a thin redshift slice, 0.65

Infrared luminosity functions from the Chandra Deep Field-South: The Spitzer view on the history of dusty star formation at 0 (2005)

Le Floc'h, Emeric, Papovich, Casey, Dole, Hervé, Bell, Eric F., Lagache, Guilaine, Rieke, George H., ...

We analyze a sample of ~2600 Spitzer MIPS 24 mum sources brighter than ~80 muJy and located in the Chandra Deep Field-South to characterize the evolution of the comoving infrared (IR) energy density...

Studying Distant Infrared-Luminous Galaxies with Spitzer and Hubble (2004)

Papovich, Casey, Egami, Eiichi, Floc'h, Emeric Le, Perez-Gonzalez, Pablo, Rieke, George, Rigby, Jane, ...

New surveys with the Spitzer space telescope identify distant star-forming and active galaxies by their strong emission at far-infrared wavelengths, which provides strong constraints on these...

WFI J2026-4536 and WFI J2033-4723: Two new quadruple gravitational lenses (2004)

Morgan, Nicholas D., Caldwell, John A. R., Schechter, Paul L., Dressler, Alan, Egami, Eiichi, Rix, Hans-Walter

We report the discovery of two new gravitationally lensed quasars, WFI J2026-4536 and WFI J2033-4723, at respective source redshifts of z=2.23 and z=1.66. Both systems are quadruply imaged and have...

WFI J2026-4536 and WFI J2033-4723: Two New Quadruple Gravitational Lenses (2003)

Morgan, Nicholas D., Caldwell, John A. R., Schechter, Paul L., Dressler, Alan, Egami, Eiichi, Rix, Hans-Walter

We report the discovery of two new gravitationally lensed quasars, WFI J2026-4536 and WFI J2033-4723, at respective source redshifts of z=2.23 and z=1.66. Both systems are quadruply imaged and have...

Near-Infrared Integral Field Spectroscopy of Star-Forming Galaxies (2003)

Dale, Daniel A., Roussel, Helene, Contursi, Alessandra, Helou, George, Dinerstein, Harriet L., Hunter, Deidre A., ...

The Palomar Integral Field Spectrograph was used to probe a variety of environments in nine nearby galaxies that span a range of morphological types, luminosities, metallicities, and infrared-to-blue...

Galaxies at z>4.5 (1996)

Hu, Esther M., McMahon, Richard G., Egami, Eiichi

We present the results of ground-based and HST imaging studies targeted on z>4.5 quasar fields. High-redshift galaxies identified in deep narrow-band Lyman alpha images of the fields surrounding the...

Detection of a Lyman-alpha Emission-Line Companion to the z=4.69 QSO BR1202-0725 (1995)

Hu, Esther M., McMahon, Richard G., Egami, Eiichi

We report the detection of a nearby emission-line companion to the z=4.695 quasar BR1202-0725. Deep narrow-band exposures on this field from the UH 2.2 m show a Ly alpha flux of 1.5\times\ten{-16}...

A deep survey of fields around z > 4 quasars (1995)

Egami, Eiichi

Thesis (Ph. D.)--University of Hawaii at Manoa, 1995.