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Nuclear activity in nearby galaxies: Mid-infrared imaging with the VLT
R. Siebenmorgen, M. Haas, E. Pantin +7
Dust enshrouded activity can ideally be studied by mid-infrared (MIR) observations. In order to explore the AGN versus star forming origin of the nuclear MIR emission of galaxies,…
The Color Magnitude Distribution of Field Galaxies to z~3: the evolution and modeling of the blue sequence
I. Labbe, M. Franx, G. Rudnick +7
Using deep NIR VLT/ISAAC and optical HST/WFPC2 imaging in the fields of the HDFS and MS1054-03, we study the rest-frame UV-to-optical colors and magnitudes of galaxies to z~3. Whil…
A narrow-band search for Ly alpha emitting galaxies at z = 8.8
J. -G. Cuby, P. Hibon, C. Lidman +4
Aims: The first star forming galaxies in the early universe should be copious Ly alpha emitters, and may play a significant role in ionizing the intergalactic medium (IGM). It has…
What do we learn from IRAC observations of galaxies at 2 < z < 3.5?
Stijn Wuyts, Ivo Labbe, Marijn Franx +9
We analyze very deep HST, VLT and Spitzer photometry of galaxies at 2<z<3.5 in the Hubble Deep Field South. The sample is selected from the deepest public K-band imaging currently…
Measuring the Average Evolution of Luminous Galaxies at z<3: The Rest-frame Optical Luminosity Density, Spectral Energy Distribution, and Stellar Mass Density
Gregory Rudnick, Ivo Labbe, Natascha M. Foerster Schreiber +11
(Abridged) We present the evolution of the volume averaged properties of the rest-frame optically luminous galaxy population to z~3, determined from four disjoint deep fields with…
Faint InfraRed Extragalactic Survey: Data and Source Catalogue of the MS1054-03 field
N. M. Forster Schreiber, M. Franx, I. Labbe +8
We present deep near-infrared Js, H, and Ks band imaging of a field around MS1054-03, a massive cluster at z=0.83. The observations were carried out with ISAAC at the ESO VLT as pa…
Submillimeter observations of Distant Red Galaxies: uncovering the 1mJy 850um-population
K. K. Knudsen, P. van der Werf, M. Franx +7
We present a study of the submillimeter (submm) emission of Distant Red Galaxies (DRGs). The DRGs are selected by the criterion (J-K)>2.3, and are generally massive galaxies at red…
Follow-Up Near-infrared Spectroscopy of Ultraluminous Infrared Galaxies observed by ISO
H. Dannerbauer, D. Rigopoulou, D. Lutz +3
We present low resolution near-infrared spectroscopy of an unbiased sample of 24 ultraluminous infrared galaxies (ULIRGs), selected from samples previously observed spectroscopical…
IRAC Mid-Infrared Imaging of the Hubble Deep Field South: Star Formation Histories and Stellar Masses of Red Galaxies at z>2
I. Labbe, J. Huang, M. Franx +12
We present deep 3.6 - 8 micron imaging of the Hubble Deep Field South with IRAC on the Spitzer Space Telescope. We study Distant Red Galaxies (DRGs) at z>2 selected by Js - Ks > 2.…
The size evolution of galaxies since z~3: combining SDSS, GEMS and FIRES
Ignacio Trujillo, Natascha M. Forster Schreiber, Gregory Rudnick +15
We present the evolution of the luminosity-size and stellar mass-size relations of luminous (L_V>3.4x10^10h_70^-2L_sun) and of massive (M_*>3x10^10h_70^-2M_sun) galaxies in the las…
A Substantial Population of Red Galaxies at z > 2: Modeling of the Spectral Energy Distributions of an Extended Sample
N. M. Forster Schreiber, P. G. van Dokkum, M. Franx +12
We investigate the nature of the substantial population of high-z galaxies with Js-Ks>2.3 discovered as part of our FIRES survey. This colour cut efficiently isolates z>2 galaxies…
Stellar Populations and Kinematics of Red Galaxies at z>2: Implications for the Formation of Massive Galaxies
Pieter van Dokkum, Marijn Franx, Natascha Forster Schreiber +13
We recently identified a substantial population of galaxies at z>2 with red rest-frame optical colors. These distant red galaxies (DRGs) are efficiently selected by the simple obse…
Luminous Infrared Starbursts in a Cluster of Galaxies
Pierre-Alain Duc, Dario Fadda, Bianca Poggianti +6
Analysing mid--infrared ISOCAM images of the cluster of galaxies J1888.16CL, we identified among its members several particularly active galaxies with total infrared luminosities w…
The relation between AGN hard X-ray emission and mid-infrared continuum from ISO spectra: Scatter and unification aspects
D. Lutz, R. Maiolino, H. W. W. Spoon +1
We use mid-infrared spectral decomposition to separate the 6micron mid-infrared AGN continuum from the host emission in the ISO low resolution spectra of 71 active galaxies and com…
Mid-infrared spectral evidence for a luminous dust enshrouded source in Arp220
H. W. W. Spoon, A. F. M. Moorwood, D. Lutz +3
We have re-analyzed the 6-12 micron ISO spectrum of the ultra-luminous infrared galaxy Arp220 with the conclusion that it is not consistent with that of a scaled up version of a ty…
ISO spectroscopy of star formation and active nuclei in the luminous infrared galaxy NGC 6240
D. Lutz, E. Sturm, R. Genzel +4
We present Infrared Space Observatory mid- and far-infrared spectroscopy of the merging galaxy NGC 6240, an object presenting many aspects of importance for the role of star format…
The Rest-Frame Optical Luminosity Density, Color, and Stellar Mass Density of the Universe from z=0 to z=3
Gregory Rudnick, Hans-Walter Rix, Marijn Franx +11
We present the evolution of the rest-frame optical luminosity density, of the integrated rest-frame optical color, and of the stellar mass density for a sample of Ks-band selected…
The Luminosity-Size and Mass-Size Relations of Galaxies out to z~3
Ignacio Trujillo, Gregory Rudnick, Hans-Walter Rix +11
The luminosity-size and stellar mass-size distributions of galaxies out to z~3 is presented. We use very deep near-infrared images of the Hubble Deep Field South in the J_s, H, and…
Large disk-like galaxies at high redshift
I. Labbe, G. Rudnick, M. Franx +11
Using deep near-infrared imaging of the Hubble Deep Field South with ISAAC on the Very Large Telescope we find 6 large disk-like galaxies at redshifts z = 1.4-3.0. The galaxies, se…
H-alpha Spectroscopy of Galaxies at z>2: Kinematics and Star Formation
Dawn K. Erb, Alice E. Shapley, Charles C. Steidel +5
We present near-infrared spectroscopy of H-alpha emission lines in a sample of 16 star-forming galaxies at redshifts 2.0<z<2.6. Our targets are drawn from a large sample of galaxie…
Spectroscopic Confirmation of a Substantial Population of Luminous Red Galaxies at Redshifts z>2
Pieter G. van Dokkum, Natascha M. Forster Schreiber, Marijn Franx +10
We confirm spectroscopically the existence of a population of galaxies at z>~2 with rest-frame optical colors similar to normal nearby galaxies. The galaxies were identified by the…
Detection of strong clustering of red K-selected galaxies at 2<z_phot<4 in the Hubble Deep Field South
E. Daddi, H. Rottgering, I. Labbe +6
The clustering properties of faint K<24 galaxies are measured in ultradeep J, H and K near-IR images of the Hubble Deep Field South (HDF-S), obtained with ISAAC at the VLT. A relat…
Detection of strongly processed ice in the central starburst of NGC4945
H. W. W. Spoon, A. F. M. Moorwood, K. M. Pontoppidan +4
The composition of ice grains provides an important tool for the study of the molecular environment of star forming regions. Using ISAAC at the VLT to obtain spectra around 4.65 mi…
Ultradeep Near-Infrared ISAAC Observations of the HDF-S: Observations, Reduction, Multicolor Catalog, and Photometric Redshifts
I. Labbe, M. Franx, G. Rudnick +10
We present deep near-infrared (NIR) Js, H, and Ks-band ISAAC imaging of the WFPC2 field of the HDF-S. The 2.5'x 2.5' high Galactic latitude field was observed with the VLT under th…