Kartaltepe, Jeyhan S., Sanders, D. B., Floc'h, E. Le, Frayer, D. T., Aussel, H., Arnouts, S., ...
We present a large robust sample of 1503 reliable and unconfused 70microm selected sources from the multiwavelength data set of the Cosmic Evolution Survey (COSMOS). Using the Spitzer IRAC and MIPS...
The Build-Up of the Hubble Sequence in the COSMOS Field (2009)
Oesch, P. A., Carollo, C. M., Feldmann, R., Hahn, O., Lilly, S. J., Sargent, M. T., ...
We use ~8,600 >5e10 Msol COSMOS galaxies to study how the morphological mix of massive ellipticals, bulge-dominated disks, intermediate-bulge disks, bulge-less disks and irregular galaxies evolves...
Caputi, K. I., Lilly, S. J., Aussel, H., Floc'h, E. Le, Sanders, D., Maier, C., ...
We have used the zCOSMOS-bright 10k sample to identify 3244 Spitzer/MIPS 24-micron-selected galaxies with 0.06< S(24um)< 0.50 mJy and I(AB)
Heavily Obscured AGN in Star-Forming Galaxies at z~2 (2009)
Treister, E., Cardamone, C., Schawinski, K., Urry, C. M., Gawiser, E., Virani, S., ...
We study the properties of a sample of 211 heavily-obscured Active Galactic Nucleus (AGN) candidates in the Extended Chandra Deep Field-South selecting objects with f_24/f_R>1000 and R-K>4.5. Of...
Floc'h, E. Le, Aussel, H., Ilbert, O., Riguccini, L., Frayer, D., Salvato, M., ...
We present the first results obtained from the identification of ~30,000 sources in the 24mic observations of the COSMOS field at S24>~80muJy. Using accurate photo-z's and extrapolations of the...
Low Resolution Spectral Templates For AGNs and Galaxies From 0.03 -- 30 microns (2009)
Assef, R. J., Kochanek, C. S., Brodwin, M., Cool, R., Forman, W., Gonzalez, A. H., ...
We present a set of low resolution empirical SED templates for AGNs and galaxies in the wavelength range from 0.03 to 30 microns based on the multi-wavelength photometric observations of the NOAO...
High-redshift elliptical galaxies: are they (all) really compact? (2009)
Mancini, C., Daddi, E., Renzini, A., Salmi, F., McCracken, H. J., Cimatti, A., ...
We investigate the properties of 12 ultra-massive passively evolving early type galaxies (ETGs) at z_phot>1.4 in the COSMOS 2 deg^2 field. These 12 ETGs were selected as pBzKs, have accurate 1.4
Infrared Luminosities and Dust Properties of z ~ 2 Dust-Obscured Galaxies (2009)
Bussmann, R. S., Dey, Arjun, Borys, C., Desai, V., Jannuzi, B. T., Floc'h, E. Le, ...
We present SHARC-II 350um imaging of twelve 24um-bright (F_24um > 0.8 mJy) Dust-Obscured Galaxies (DOGs) and CARMA 1mm imaging of a subset of 2 DOGs, all selected from the Bootes field of the NOAO...
Spitzer 24 um Excesses for Bright Galactic Stars in Bootes and First Look Survey Fields (2009)
Hovhannisyan, L. R., Mickaelian, A. M., Weedman, D. W., Floc'h, E. Le, Houck, J. R., Soifer, B. T., ...
Optically bright Galactic stars (V < 13 mag) having fv(24 um) > 1 mJy are identified in Spitzer mid-infrared surveys within 8.2 square degrees for the Bootes field of the NOAO Deep Wide-Field Survey...
IRS Spectroscopy and Multi-wavelength Study of Luminous Star-forming Galaxies at z~1.9 (2009)
Faber, S. M., Daddi, E., Laird, E. S., Lai, K., Omont, A., ...
We analyze a sample of galaxies chosen to have F24>0.5 mJy and satisfy a certain IRAC color criterion. IRS spectra yield redshifts, spectral types, and PAH luminosities, to which we add...
Galaxy Stellar Mass Assembly between 0.2 (2009)
Ilbert, O., Salvato, M., Floc'h, E. Le, Aussel, H., Capak, P., McCracken, H. J., ...
We follow the galaxy stellar mass assembly by morphological and spectral type in the COSMOS 2-deg^2 field. We derive the stellar mass functions and stellar mass densities from z=2 to z=0.2 using...
Spitzer 70 and 160-micron Observations of the COSMOS Field (2009)
Frayer, D. T., Sanders, D. B., Surace, J. A., Aussel, H., Salvato, M., Floc'h, E. Le, ...
We present Spitzer 70 and 160 micron observations of the COSMOS Spitzer survey (S-COSMOS). The data processing techniques are discussed for the publicly released products consisting of images and...
HST Morphologies of z~2 Dust Obscured Galaxies I: Power-law Sources (2008)
Bussmann, R. S., Dey, Arjun, Lotz, J., Armus, L., Brand, K., Brown, M. J. I., ...
We present high spatial resolution optical and near-infrared imaging obtained using the ACS, WFPC2 and NICMOS cameras aboard the Hubble Space Telescope of 31 24um--bright z~2 Dust Obscured Galaxies...
Chasing highly obscured QSOs in the COSMOS field (2008)
Fiore, F., Puccetti, S., Brusa, M., Salvato, M., Zamorani, G., Aldcroft, T., ...
(abridged) We take advantage of the deep Chandra and Spitzer coverage of a large area (more than 10 times the area covered by the Chandra deep fields, CDFs in the COSMOS field, to extend the search...
COSMOS Photometric Redshifts with 30-bands for 2-deg2 (2008)
Ilbert, O., Capak, P., Salvato, M., Aussel, H., McCracken, H. J., Sanders, D. B., ...
We present accurate photometric redshifts in the 2-deg2 COSMOS field. The redshifts are computed with 30 broad, intermediate, and narrow bands covering the UV (GALEX), Visible-NIR (Subaru, CFHT,...
The close environment of 24 micron galaxies at 0.6 (2008)
Caputi, K. I., Kovac, K., Bolzonella, M., Lilly, S. J., Zamorani, G., Aussel, H., ...
We investigate the close environment of 203 Spitzer 24 micron-selected sources at 0.6
IFU observations of the GRB 980425/SN 1998bw host galaxy: emission line ratios in GRB regions (2008)
Christensen, L., Vreeswijk, P. M., Sollerman, J., Thoene, C. C., Floc'h, E. Le, Wiersema, K.
The collapsar model predicts that the progenitors of Gamma-ray Bursts (GRBs) are metal poor in Fe group elements. The existence of low metallicity stellar populations could manifest itself through...
Radio and Infrared Selected Optically Invisible Sources in the Bo\"otes NDWFS (2008)
Higdon, J. L., Higdon, S. J. U., Willner, S. P., Brown, M. J., Stern, D., Floc'h, E. Le, ...
We have combined data from the NOAO Deep Wide-Field Survey in Bootes and the Spitzer Space Telescope to determine basic properties for sixteen optically "invisible" MIPS 24um (OIMS) and thirty-five...
Caputi, K. I., Lilly, S. J., Aussel, H., Sanders, D., Frayer, D., Fevre, O. Le, ...
We study zCOSMOS-bright optical spectra for 609 Spitzer/MIPS 24 micron-selected galaxies with S(24um)> 0.30 mJy and I
Buat, V., Boissier, S., Burgarella, D., Takeuchi, T. T., Floc'h, E. Le, Marcillac, D., ...
We investigate whether the mean star formation activity of star-forming galaxies from z=0 to z=0.7 in the GOODS-S field can be reproduced by simple evolution models of these systems. In this case,...
Bavouzet, N., Dole, H., Floc'h, E. Le, Caputi, K. I., Lagache, G., Kochanek, C. S.
We present the observed correlations between rest-frame 8, 24, 70 and 160 um monochromatic luminosities and measured total infrared luminosities L_IR of galaxies detected by Spitzer. Our sample...
Spitzer Spectra of a 10 mJy Galaxy Sample and the Star Formation Rate in the Local Universe (2007)
Houck, J. R., Weedman, D. W., Floc'h, E. Le, Hao, Lei
A complete flux-limited sample of 50 galaxies is presented having f_{\nu}(24um) > 10mJy, chosen from a survey with the Multiband Imaging Photometer on Spitzer (MIPS) of 8.2 deg^{2} within the NOAO...
Burgarella, D., Floc'h, E. Le, Takeuchi, T. T., Huang, J. S., Buat, V., Rieke, G. H., ...
Ultraviolet (UV) galaxies have been selected from GALEX. The presence of a FUV-dropout in their spectral energy distributions proved to be a very complete (83.3%) but not very efficient (21.4%) tool...
GRB 050223: A dark GRB in a dusty starburst galaxy (2007)
Pellizza, L.J., Floc'h, E. Le, Mirabel, I. F., Antonelli, L. A., Campana, S., ...
Aims: We aim at detecting and determining the properties of the host galaxy of the dark GRB 050223. Methods: We use VLT optical/NIR images coupled to Swift X-ray positioning, and optical spectra of...
The Local Galaxy 8 micron Luminosity Function (2007)
Ashby, M. L. N., Barmby, P., Brodwin, M., Brown, M. J. I., Caldwell, N., ...
A SST survey in the NOAO Deep-Wide Field in Bo\"otes provides a complete, 8-micron-selected sample of galaxies to a limiting (Vega) magnitude of 13.5. In the 6.88 deg$^2$ field sampled, 79% of the...
Noeske, K. G., Faber, S. M., Weiner, B. J., Koo, D. C., Primack, J. R., Dekel, A., ...
We analyze star formation (SF) as a function of stellar mass (M_*) and redshift z in the All Wavelength Extended Groth Strip International Survey (AEGIS), for star-forming field galaxies with M_* >~...
Buat, V., Marcillac, D., Burgarella, D., Floc'h, E. Le, Rieke, G., Takeuchi, T. T., ...
The TIR and FUV luminosity functions of galaxies and the related luminosity densities rho(TIR) and rho(FUV) are known to evolve from z=0 to z~1 but with a different rate: the galaxy populations...
Optical Line Diagnostics of z~2 Optically Faint ULIRGs in the Spitzer Bootes Survey (2007)
Brand, K., Dey, A., Desai, V., Soifer, B. T., Bian, C., Armus, L., ...
We present near-infrared spectroscopic observations for a sample of ten optically faint luminous infrared galaxies (R-[24]> 14) using Keck NIRSPEC and Gemini NIRI. The sample is selected from a 24...
Noeske, K. G., Weiner, B. J., Faber, S. M., Papovich, C., Koo, D. C., Somerville, R. S., ...
We analyze star formation (SF) as a function of stellar mass (M*) and redshift z in the All Wavelength Extended Groth Strip International Survey (AEGIS). For 2905 field galaxies, complete to...
Lyman Break Galaxies and Luminous IR Galaxies at z ~ 1 (2007)
Burgarella, D., Floc'h, E. Le, Takeuchi, T. T., Buat, V., Huang, J. S., Rieke, G. H., ...
We use deep GALEX images of CDFS in UV to define the first large sample of 420 Lyman Break Galaxies at z~1. We use a PSF fitting to estimate UV magnitudes on these deep crowded images. Deep Spitzer...
The infrared luminosity function of galaxies at redshifts z=1 and z~2 in the GOODS fields (2007)
Caputi, K. I., Lagache, G., Yan, Lin, Dole, H., Bavouzet, N., Floc'h, E. Le, ...
We present the rest-frame 8 micron luminosity function (LF) at redshifts z=1 and ~2, computed from Spitzer 24 micron-selected galaxies in the GOODS fields over an area of 291 sq. arcmin. Using...
Floc'h, E. Le, Willmer, C. N. A., Noeske, K., Konidaris, N. P., Laird, E. S., Koo, D. C., ...
As part of the "All Wavelength Extended Groth Strip International Survey" (AEGIS), we describe the panchromatic characterization of an X-ray luminous active galactic nucleus (AGN) in a merging galaxy...
GRB 050223: A dark GRB in a dusty starburst galaxy (2006)
Pellizza, L. J., Floc'h, E. Le, Mirabel, I. F., Antonelli, L. A., Campana, S., ...
Aims: We aim at detecting and determining the properties of the host galaxy of the dark GRB 050223. Methods: We use VLT optical/NIR images coupled to Swift X-ray positioning, and optical spectra of...
AEGIS: Infrared Spectroscopy of An Infrared Luminous Lyman Break Galaxy at z=3.01 (2006)
Rigopoulou, D., Papovich, C., Ashby, M. L. N., Willner, S. P., Ivison, R., ...
We report the detection of rest--frame 6.2 and 7.7 \micron emission features arising from Polycyclic Aromatic Hydrocarbons (PAH) in the Spitzer/IRS spectrum of an infrared-luminous Lyman break galaxy...
The All-wavelength Extended Groth Strip International Survey (AEGIS) Data Sets (2006)
Davis, M., Guhathakurta, P., Konidaris, N., Newman, J. A., Ashby, M. L. N., Biggs, A. D., ...
In this the first of a series of Letters, we present a description of the panchromatic data sets that have been acquired in the Extended Groth Strip region of the sky. Our survey, the All-wavelength...
Spitzer Observations of the Brightest Galaxies in X-ray-Luminous Clusters (2006)
Egami, E., Misselt, K. A., Rieke, G. H., Wise, M. W., Neugebauer, G., ...
We have studied the infrared properties of the brightest cluster galaxies (BCGs) located in the cores of X-ray-luminous clusters at 0.15 < z < 0.35. The majority of the BCGs are not particularly...
Spitzer Massive Lensing Cluster Survey (2006)
Egami, E., Rieke, G. H., Rigby, J. R., Papovich, C., Smith, G. P., ...
We are currently undertaking a Spitzer GTO program to image ~30 massive lensing clusters at moderate redshift with both IRAC and MIPS. By taking advantage of the gravitatinoal lensing power of these...
Hammer, F., Flores, H., Schaerer, D., Dessauges-Zavadsky, M., Floc'h, E. Le, Puech, M.
We have obtained deep spectroscopic observations of several nearby gamma-ray burst (GRB) host galaxies revealing for the first time the presence of Wolf-Rayet (WR) stars and numerous O stars located...
The role of the LIRG and ULIRG phases in the evolution of Ks-selected galaxies (2006)
Caputi, K. I., Dole, H., Lagache, G., McLure, R. J., Dunlop, J. S., ...
We investigate the role of the luminous infrared galaxy (LIRG) and ultra-luminous infrared galaxy (ULIRG) phases in the evolution of Ks-selected galaxies and, in particular, Extremely Red Galaxies...
Spitzer Observations of the Brightest Galaxies in X-ray-Luminous Clusters (2006)
Egami, E., Misselt, K. A., Rieke, G. H., Wise, M. W., Neugebauer, G., ...
We have studied the infrared properties of the brightest cluster galaxies (BCGs) located in the cores of X-ray-luminous clusters at 0.15 < z < 0.35. The majority of the BCGs are not particularly...
Spitzer Massive Lensing Cluster Survey (2006)
Egami, E., Rieke, G. H., Rigby, J. R., Papovich, C., Smith, G. P., ...
We are currently undertaking a Spitzer GTO program to image ~30 massive lensing clusters at moderate redshift with both IRAC and MIPS. By taking advantage of the gravitatinoal lensing power of these...
Interferometric 890 micron Images of High Redshift Submillimeter Galaxies (2006)
Iono, D., Peck, A. B., Pope, A., Borys, C., Scott, D., Wilner, D. J., ...
We present high resolution 890 micron images of two 20 mJy submillimeter galaxies, SMMJ123711+622212 and MIPS~J142824.0+352619, obtained using the Submillimeter Array (SMA). Using submillimeter...
The AGN Contribution to the Mid-IR Emission of Luminous Infrared Galaxies (2006)
Brand, K., Dey, A., Weedman, D., Desai, V., Floc'h, E. Le, Jannuzi, B. T., ...
We determine the contribution of AGN to the mid-IR emission of luminous infrared galaxies (LIRGs) at z>0.6 by measuring the mid-IR dust continuum slope of 20,039 mid-IR sources. The 24 micron sources...
The Evolution of Galaxy Mergers and Morphology at z (2006)
Lotz, J. M., Davis, M., Faber, S. M., Guhathakurta, P., Gwyn, S., Huang, J., ...
We present the quantitative rest-frame B morphological evolution and galaxy merger fractions at 0.2 < z < 1.2 as observed by the All-wavelength Extended Groth Strip International Survey (AEGIS). We...
Floc'h, E. Le, Charmandaris, V., Forrest, W. J., Mirabel, F., Armus, L., Devost, D.
We report on IRAC-4.5mic, IRAC-8.0mic and MIPS-24mic deep observations of 16 Gamma-Ray Burst (GRBs) host galaxies performed with the Spitzer Space Telescope, and we investigate in the thermal...
Floc'h, E. Le, Charmandaris, V., Forrest, W. J., Mirabel, F., Armus, L., Devost, D.
We report on the first mid-infrared observations of 16 GRB host galaxies performed with the Spitzer Space Telescope, and investigate the presence of evolved stellar populations and dust-enshrouded...
Spitzer Observations of the Brightest Galaxies in X-ray-Luminous Clusters (2006)
Egami, E., Misselt, K. A., Rieke, G. H., Wise, M. W., Neugebauer, G., ...
We have studied the infrared properties of the brightest cluster galaxies (BCGs) located in the cores of X-ray-luminous clusters at 0.15 < z < 0.35. The majority of the BCGs are not particularly...
Spitzer Massive Lensing Cluster Survey (2006)
Egami, E., Rieke, G. H., Rigby, J. R., Papovich, C., Smith, G. P., ...
We are currently undertaking a Spitzer GTO program to image ~30 massive lensing clusters at moderate redshift with both IRAC and MIPS. By taking advantage of the gravitatinoal lensing power of these...
GRB 050223: A dark GRB in a dusty starburst galaxy (2006)
Pellizza, L.J., Floc'h, E. Le, Mirabel, I. F., Antonelli, L. A., Campana, S., ...
Aims: We aim at detecting and determining the properties of the host galaxy of the dark GRB 050223. Methods: We use VLT optical/NIR images coupled to Swift X-ray positioning, and optical spectra of...
Spitzer Observations of the Brightest Galaxies in X-ray-Luminous Clusters (2006)
Egami, E., Misselt, K. A., Rieke, G. H., Wise, M. W., Neugebauer, G., ...
We have studied the infrared properties of the brightest cluster galaxies (BCGs) located in the cores of X-ray-luminous clusters at 0.15 < z < 0.35. The majority of the BCGs are not particularly...
Spitzer Massive Lensing Cluster Survey (2006)
Egami, E., Rieke, G. H., Rigby, J. R., Papovich, C., Smith, G. P., ...
We are currently undertaking a Spitzer GTO program to image ~30 massive lensing clusters at moderate redshift with both IRAC and MIPS. By taking advantage of the gravitatinoal lensing power of these...
Spitzer Observations of the Brightest Galaxies in X-Ray-Luminous Clusters (2006)
Egami, E., Misselt, K.A., Rieke, G.H., Wise, M.W., Neugebauer, G., Kneib, J.P., ...
We have studied the infrared properties of the brightest cluster galaxies (BCGs) located in the cores of X-ray-luminous clusters at 0.15
IRS spectra of two ultraluminous infrared galaxies at z=1.3 (2005)
Desai, V., Armus, L., Soifer, B. T., Weedman, D. W., Higdon, S., Bian, C., ...
We present low-resolution (64 < R < 124) mid-infrared (8--38 micron) Spitzer/IRS spectra of two z~1.3 ultraluminous infrared galaxies (LFIR~10^13) discovered in a Spitzer/MIPS survey of the Bootes...
Detecting Faint Galaxies by Stacking at 24 micron (2005)
Zheng, X. Z., Bell, E. F., Papovich, C., Floc'h, E. Le, Rieke, G. H., ...
We stack Spitzer 24 micron images for ~7000 galaxies with 0.1
Egami, E., Rieke, G. H., Ellis, R. S., Richard, J., Rigby, J., ...
We report the detection of a z~7 galaxy strongly lensed by the massive galaxy cluster Abell 2218 (z=0.175) at 3.6 and 4.5 um using the Spitzer Observatory and at 1.1 um using the Hubble Space...
Infrared power-law galaxies in the Chandra Deep Field South: AGN and ULIRGs (2005)
Alonso-Herrero, A., Perez-Gonzalez, P. G., Alexander, D. M., Rieke, G. H., Rigopoulou, D., Floc'h, E. Le, ...
We investigate the nature of a sample of 92 Spitzer/MIPS 24 micron selected galaxies in the CDFS, showing power law-like emission in the Spitzer/IRAC 3.6-8 micron bands. The main goal is to determine...
Spitzer Observations of Massive Red Galaxies at High Redshift (2005)
Papovich, Casey, Moustakas, L. A., Dickinson, M., Floc'h, E. Le, Rieke, G. H., Daddi, E., ...
We investigate the properties of massive galaxies at z=1-3.5 using HST observations, ground-based near-IR imaging, and Spitzer Space Telescope observations at 3-24 micron. We identify 153 distant red...
Redshifts from Spitzer Spectra for Optically Faint, Radio Selected Infrared Sources (2005)
Weedman, D. W., Floc'h, E. Le, Higdon, S. J. U., Higdon, J. L., Houck, J. R.
Spectra have been obtained with the Infrared Spectrograph on the Spitzer Space Telescope for 18 optically faint sources (R > 23.9,mag) having f(nu) (24um) > 1.0,mJy and having radio detections at 20...
Linking stellar mass and star formation in Spitzer/MIPS 24 micron galaxies (2005)
Caputi, K. I., Dole, H., Lagache, G., McLure, R. J., Rieke, G. H., ...
We present deep Ks83 microJy (the 80% completeness limit of the Spitzer/GTO 24 micron catalog). 36% of our galaxies have spectroscopic redshifts (mostly at z1.5. We determine the existence of a bump...
Identifying silicate-absorbed ULIRGs at z~1-2 in the Bootes Field using Spitzer/IRS (2005)
Kasliwal, M. M., Charmandaris, V., Weedman, D., Houck, J. R., Floc'h, E. Le, Higdon, S. J. U., ...
Using the 16$\mu$m peakup imager on the Infrared Spectrograph (IRS) on Spitzer, we present a serendipitous survey of 0.0392 deg$^{2}$ within the area of the NOAO Deep Wide Field Survey in Bootes....
MIPS J142824.0+352619: A Hyperluminous Starburst Galaxy at z=1.325 (2005)
Borys, C., Blain, A. W., Dey, A., Floc'h, E. Le, Jannuzi, B. T., Barnard, V., ...
Using the SHARC-II camera at the Caltech Submillimeter Observatory to obtain 350 micron images of sources detected with the MIPS instrument on Spitzer, we have discovered a remarkable object at...
Optical Morphology Evolution of Infrared Luminous Galaxies in GOODS-N (2005)
Melbourne, J., Koo, D. C., Floc'h, E. Le
We combine optical morphologies and photometry from HST, redshifts from Keck, and mid-infrared luminosities from Spitzer for an optically selected sample of~800 galaxies in GOODS-N to track...
Floc'h, E. Le, Papovich, C., Dole, H., Bell, E., Lagache, G., Rieke, G., ...
We analyze a sample of ~2600 MIPS/Spitzer 24mic sources brighter than ~80muJy and located in the Chandra Deep Field South to characterize the evolution of the comoving infrared (IR) energy density of...
A "UV+IR" history of star formation at 0 (2005)
The combination of both contributions from the observed UV emission and the absorbed radiations reprocessed in the infrared represents the ideal approach to constrain the activity of massive star...
Infrared Echoes near the Supernova Remnant Cassiopeia A (2005)
Krause, O., Rieke, G. H., Birkmann, S. M., Floc'h, E. Le, Gordon, K. D., Egami, E., ...
Two images of Cassiopeia A obtained at 24 micrometer with the Spitzer Space Telescope over a one year time interval show moving structures outside the shell of the supernova remnant to a distance of...
Elbaz, D., Floc'h, E. Le, Dole, H., Marcillac, D.
We present ISOCAM 15 micron and MIPS 24 micron photometry of a sample of 16 distant Luminous Infrared Galaxies (LIRGs) characterized by a median luminosity L(IR) 2x10^11 Lsol and redshift z = 0.7...
Houck, J. R., Soifer, B. T., Weedman, D., Higdon, S. J. U., Higdon, J. L., Herter, T., ...
We have surveyed a field covering 9.0 degrees^2 within the NOAO Deep Wide-Field Survey region in Bootes with the Multiband Imaging Photometer on the Spitzer Space Telescope (SST) to a limiting 24 um...
Spitzer Observations of Optically "Invisible" Radio and X-Ray Sources: High Redshift AGN (2005)
Higdon, J. L., Higdon, S. J. U., Weedman, D. W., Houck, J. R., Floc'h, E. Le, Brown, M. J. I., ...
We have combined a survey at 24 microns to 0.3 mJy with the Multiband Imaging Photometer (MIPS) on the Spitzer Space Telescope, a 20 cm A-array VLA survey covering 0.5 deg^2, and an existing 172 ks...
Floc'h, E. Le, Papovich, C., Dole, H., Egami, E., Perez-Gonzalez, P., Rieke, G., ...
Using deep observations of the Chandra Deep Field South obtained with MIPS at 24mic, we present our preliminary estimates on the evolution of the infrared (IR) luminosity density of the Universe from...
Egami, E., Rieke, G. H., Ellis, R. S., Richard, J., Rigby, J., ...
We report the detection of a z~7 galaxy strongly lensed by the massive galaxy cluster Abell 2218 (z=0.175) at 3.6 and 4.5 um using the Spitzer Observatory and at 1.1 um using the Hubble Space...
Egami, E., Dole, H., Perez-Gonzalez, P., Floc'h, E. Le, Papovich, C., ...
We present Spitzer IRAC (3.6, 4.5, 5.8, 8.0 um) and MIPS (24 um) observations of the SCUBA submillimeter sources and uJy VLA radio sources in a 5'x5' area in the Lockman Hole East region. Out of the...
The nature of luminous X-ray sources with mid-infrared counterparts (2004)
Alonso-Herrero, A., Perez-Gonzalez, P. G., Rigby, J., Rieke, G. H., Floc'h, E. Le, Barmby, P., ...
We investigate the luminous X-ray sources in the Lockman Hole (LH) and the Extended Groth Strip (EGS) detected at 24microns using MIPS and also with IRAC on board Spitzer. We assemble...
Identification of luminous infrared galaxies at 1 (2004)
Floc'h, E. Le, Perez-Gonzalez, P. G., Rieke, G. H., Papovich, C., Barmby, P., ...
We present preliminary results on 24micron detections of luminous infrared galaxies at z>1 with the Multiband Imaging Photometer for Spitzer (MIPS). Observations were performed in the Lockman Hole...
PAHs contribution to the infrared output energy of the Universe at z~2 (2004)
Lagache, G., Dole, H., Perez-Gonzalez, P. G., Floc'h, E. Le, Rieke, G. H., ...
We present an updated phenomenological galaxy evolution model to fit the Spitzer 24, 70 and 160 microns number counts as well as all the previous mid and far infrared observations. Only a minor...
Far Infrared Source Counts at 70 and 160 microns in Spitzer Deep Surveys (2004)
Dole, H., Floc'h, E. Le, Perez-Gonzalez, P. G., Papovich, C., Egami, E., Lagache, G., ...
We derive galaxy source counts at 70 and 160 microns using the Multiband Imaging Photometer for Spitzer (MIPS) to map the Chandra Deep Field South (CDFS) and other fields. At 70 microns, our...
Confusion in the infrared: Spitzer and beyond (2004)
Dole, H., Rieke, G. H., Lagache, G., Puget, J-L., Alonso-Herrero, A., Bai, L., ...
We use the source counts measured with the Multiband Imaging Photometer for Spitzer (MIPS) at 24, 70, and 160 microns to determine the 5-sigma confusion limits due to extragalactic sources: 56...
Sub-millimeter detections of Spitzer Space Telescope galaxy populations (2004)
Serjeant, S., Mortier, A. M. J., Ivison, R. J., Egami, E., Rieke, G. H., Willner, S. P., ...
We present sub-millimeter statistical detections of galaxies discovered in the 5'x5' Spitzer Early Release Observations (to 4-15 microJy 5 sigma at 3.6-8 microns, 170 microJy at 24 microns) through a...
The 24 Micron Source Counts in Deep Spitzer Surveys (2004)
Papovich, Casey, Dole, H., Egami, E., Floc'h, E. Le, Perez-Gonzalez, P. G., Alonso-Herrero, A., ...
Galaxy source counts in the infrared provide strong constraints on the evolution of the bolometric energy output from distant galaxy populations. We present the results from deep 24 micron imaging...
IRAC Imaging of Lockman Hole (2004)
Barmby, P., Fazio, G. G., Willner, S. P., Wilson, G., Rigopoulou, D., ...
IRAC imaging of a 4'7x4'7 area in the Lockman Hole detected over 400 galaxies in the IRAC 3.6 micron and 4.5 micron bands, 120 in the 5.8 micron, and 80 in the 8 micron bandin 30 minutes of observing...
Extremely Red Objects in The Lockman Hole (2004)
Wilson, G., Perez-Gonzalez, P. G., Egami, E., Ivison, R. J., Rigby, J. R., ...
We investigate Extremely Red Objects (EROs) using near- and mid-infrared observations in five passbands (3.6 to 24 micron) obtained from the Spitzer Space Telescope, and deep ground-based R and K...
On the jet structure and magnetic field configuration of GRB 020813 (2004)
Lazzati, D., Covino, S., Gorosabel, J., Rossi, E., Ghisellini, G., Rol, E., ...
The polarization curve of GRB 020813 is discussed and compared to different models for the structure, evolution and magnetisation properties of the jet and the interstellar medium onto which the...
Egami, E., Rieke, G. H., Ellis, R. S., Richard, J., Rigby, J., ...
We report the detection of a z~7 galaxy strongly lensed by the massive galaxy cluster Abell 2218 (z=0.175) at 3.6 and 4.5 um using the Spitzer Observatory and at 1.1 um using the Hubble Space...
Egami, E., Rieke, G. H., Ellis, R. S., Richard, J., Rigby, J., ...
We report the detection of a z~7 galaxy strongly lensed by the massive galaxy cluster Abell 2218 (z=0.175) at 3.6 and 4.5 um using the Spitzer Observatory and at 1.1 um using the Hubble Space...
A bias in optical observations of high redshift luminous infrared galaxies (2003)
Charmandaris, V., Floc'h, E. Le, Mirabel, I. F.
We present evidence for the dramatically different morphology between the rest frame UV and 7micron mid-IR emission of VV114 and Arp299, two nearby (z~0) violently interacting infrared luminous...
Dust enshrouded star-forming activity in Arp 299 (2003)
Gallais, P., Charmandaris, V., Floc'h, E. Le, Mirabel, I. F., Sauvage, M., Vigroux, L., ...
We present mid-infrared spectro-imaging (5 - 16 microns) observations of the infrared luminous interacting system Arp 299 (=Mrk171 =IC694+NGC3690) obtained with the ISOCAM instrument aboard ISO. Our...
Intrinsic and dust-induced polarization in gamma-ray burst afterglows: the case of GRB 021004 (2003)
Lazzati, D., Covino, S., Alighieri, S. Di Serego, Ghisellini, G., Vernet, J., Floc'h, E. Le, ...
Polarization measurements for the optical counterpart to GRB 021004 are presented and discussed. Our observations were performed with the TNG and the VLT-UT3 (Melipal) during the first and fourth...
Are the hosts of Gamma-Ray Bursts sub-luminous and blue galaxies? (2003)
Floc'h, E. Le, Mirabel, I. F., Sanders, D. B., Bosch, G., Diaz, R. J., ...
We present K-band imaging observations of ten Gamma-Ray Burst (GRB) host galaxies. We compare their observed and absolute K magnitudes as well as their R-K colours with those of other distant sources...
Polarization Evolution of the GRB 020405 Afterglow (2002)
Covino, S., Malesani, D., Ghisellini, G., Lazzati, D., Alighieri, S. Di Serego, Stefanon, M., ...
Polarization measurements for the optical counterpart to GRB 020405 are presented and discussed. Our observations were performed with the VLT-UT3 (Melipal) during the second and third night after the...
VLT and HST Observations of the Host Galaxy of GRB990705 (2002)
Floc'h, E. Le, Mirabel, I. F., Sanders, D. B., Bosh, G., Rodrigues, I., ...
We present VLT spectroscopic observations of Gamma-Ray Burst (GRB) 990705 host galaxy and highlight the benefits provided by the prompt-phase features of GRBs to derive the redshifts of the latter....
The blue colors of Gamma-ray burst host galaxies (2002)
There is now an increasing number of evidence supporting the idea that the cosmic Gamma-ray Bursts (GRBs) originate from the collapse of massive stars in distant star-forming galaxies. Because GRBs...
Deriving the redshift of distant galaxies with Gamma-Ray Burst transient edges (2002)
Cosmological Gamma-Ray Bursts (GRBs) offer a unique perspective to probe the evolution of distant galaxies. We discuss one of the multiple benefits of this approach, i.e. the detection of transient...
Charmandaris, V., Laurent, O., Floc'h, E. Le, Mirabel, I. F., Sauvage, M., Madden, S., ...
We present a study of the three ultraluminous infrared galaxies IRAS14348-1447, IRAS19254-7245, and IRAS23128-5919, based on mid-infrared (MIR) spectro-imaging (5-18microns) observations performed...
Extended mid-infrared emission from VV 114: probing the birth of a ULIRG (2002)
Floc'h, E. Le, Charmandaris, V., Laurent, O., Mirabel, I. F., Gallais, P., Sauvage, M., ...
We present our 5-16 micron spectro-imaging observations of VV114, an infrared luminous early-stage merger, taken with the ISOCAM camera on-board ISO. We find that only 40% of the mid-infrared (MIR)...
Optical and Infrared Spectroscopy of SN 1999ee and SN 1999ex (2002)
Hamuy, Mario, Maza, Jose, Pinto, Philip A., Phillips, M. M., Suntzeff, Nicholas B., Blum, R. D., ...
We report optical and infrared spectroscopic observations of the Type Ia SN 1999ee and the Type Ib/c SN 1999ex, both of which were hosted by the galaxy IC 5179. For SN 1999ee we obtained a continuous...
Multi-wavelength Study of IRAS 19254-7245 - The Superantennae (2002)
Vanzi, L., Bagnulo, S., Floc'h, E. Le, Maiolino, R., Pompei, E., Walsh, W.
We present observations in the optical, near-infrared and millimetre bands of the Ultraluminous Infrared galaxy IRAS 19254-7245, also known as "The Superantennae". This galaxy is an interacting...
Mid-infrared observations of NGC 1068 with ISOCAM (2001)
Floc'h, E. Le, Mirabel, I. F., Laurent, O., Charmandaris, V., Gallais, P., Sauvage, M., ...
We report on Mid-Infrared (MIR) observations of the Seyfert 2 galaxy NGC 1068, obtained with ISOCAM in low-resolution spectro-imaging mode. The spatial resolution (around 5 arcsec) allows us to...
Gamma-Ray Bursts as a Cosmic Window for Galaxy Evolution (2000)
Mirabel, I. F., Sanders, D. B., Floc'h, E. Le
Present knowledge indicates that gamma-ray bursts are linked with massive stars. They will become invaluable probes of the early universe and galaxy formation. In the future, it will be possible to...
Searching for AGN signatures in Mid-IR Spectra: The case of NGC1068 (2000)
Laurent, O., Mirabel, I. F., Charmandaris, V., Floc'h, E. Le, Lutz, D., Genzel, R.
We present mid-IR observations of the prototypical Seyfert 2 galaxy NGC 1068 obtained with ISOCAM between 5 and 16micron. The proximity of this galaxy coupled with the spectro-imaging capabilities of...
Belowground biodiversity in a Mediterranean landscape: (1998)
S. Devernay, G. Loucougaray, E. Le Floc'h
relationships between saprophagous macroarthropod communities and vegetation structure