Publications (64)
The JWST View of Cygnus A: Jet-Driven Coronal Outflow with a Twist
Patrick M. Ogle, B. Sebastian, A. Aravindan +29
We present first results from James Webb Space Telescope (JWST) Near-Infrared Spectrograph (NIRSpec), Mid-Infrared Instrument (MIRI), and Keck Cosmic Webb Imager (KCWI) integral fi…
Different star formation laws for disks versus starbursts at low and high redshifts
E. Daddi, D. Elbaz, F. Walter +7
We present evidence that 'bona fide' disks and starburst systems occupy distinct regions in the gas mass versus star formation (SF) rate plane, both for the integrated quantities a…
Simulations of primary beam effects on the cosmic bispectrum phase observed with the Hydrogen Epoch of Reionization Array
N. Charles, G. Bernardi, H. L. Bester +9
The 21~cm transition from neutral Hydrogen promises to be the best observational probe of the Epoch of Reionisation. The main difficulty in measuring the 21 cm signal is the presen…
Deep radio observations of 3C324 and 3C368: evidence for jet-cloud interactions
P. N. Best, C. Carilli, S. T. Garrington +2
High resolution, deep radio images are presented for two distant radio galaxies, 3C324 (z=1.206) and 3C368 (z=1.132), which are both prime examples of the radio-optical alignment e…
Detection of microgauss coherent magnetic fields in a galaxy five billion years ago
S. A. Mao, C. Carilli, B. M. Gaensler +6
Magnetic fields play a pivotal role in the physics of interstellar medium in galaxies, but there are few observational constraints on how they evolve across cosmic time. Spatially…
GOODS-Herschel~: Gas-to-dust mass ratios and CO-to-H_2 conversion factors in normal and starbursting galaxies at high-z
Georgios E. Magdis, E. Daddi, E. Elbaz +15
We explore the gas-to-dust mass ratio (G/D) and the CO luminosity-to-Mgas conversion factor (a_co) of two well studied galaxies in the GOODS-N field, that are expected to have diff…
The 700 ks Chandra Spiderweb Field I: evidence for widespread nuclear activity in the Protocluster
P. Tozzi, L. Pentericci, R. Gilli +21
(Abridged) We present an analysis of the 700 ks Chandra ACIS-S observation of the field around the Spiderweb Galaxy at z=2.156, focusing on the nuclear activity in the associated l…
Photometric properties of Ly alpha emitters at z=4.86 in the COSMOS 2 square degree field
Y. Shioya, Y. Taniguchi, S. S. Sasaki +23
We present results of a survey for Ly alpha emitters at z=4.86 based on optical narrowband (lambda_c=7126 angstrom, Delta lambda=73 angstrom) and broadband (B, V, r', i', and z') o…
Jet Interactions with the Hot Halos of Clusters and Galaxies
B. R. McNamara, L. Birzan, D. A. Rafferty +3
X-ray observations of cavities and shock fronts produced by jets streaming through hot halos have significantly advanced our understanding of the energetics and dynamics of extraga…
The VLA-COSMOS 3~GHz Large Project: AGN and host-galaxy properties out to z6
I. Delvecchio, V. Smolcic, G. Zamorani +29
We explore the multiwavelength properties of AGN host galaxies for different classes of radio-selected AGN out to z6 via a multiwavelength analysis of about 7700 radio so…
An Overview of the 2014 ALMA Long Baseline Campaign
ALMA Partnership, E. B. Fomalont, C. Vlahakis +246
A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavel…
Exploiting Non Redundant Aperture Interferometry as a Diagnostics Tool for Synchrotron Light Characterization
C. Carilli, U. Iriso, B. Nikolic +2
We recently introduced a novel interferometric method inspired by radio astronomy, utilizing a Non-Redundant Aperture (NRA) mask with self-calibration to fully characterize the two…
The Spitzer Legacy Survey of the HST-ACS 2 sq. deg. COSMOS Field: survey strategy and first analysis
D. B. Sanders, M. Salvato, H. Aussel +39
The Spitzer-COSMOS survey (S-COSMOS) is a Legacy program (Cycles 2+3) designed to carry out a uniform deep survey of the full 2 sq deg COSMOS field in all seven Spitzer bands (3.6,…
How do Galaxies Accrete Gas and Form Stars?
M. E. Putman, P. Henning, A. Bolatto +42
Great strides have been made in the last two decades in determining how galaxies evolve from their initial dark matter seeds to the complex structures we observe at z=0. The role o…
Evidence for Low Extinction in Actively Star Forming Galaxies at z6.5
F. Walter, R. Decarli, C. Carilli +9
We present a search for the [CII] 158micron fine structure line (a main cooling line of the interstellar medium) and the underlying far-infrared (FIR) continuum in three high-redsh…
The First Release COSMOS Optical and Near-IR Data and Catalog
P. Capak, H. Aussel, M. Ajiki +54
We present imaging data and photometry for the COSMOS survey in 15 photometric bands between 0.3um and 2.4um. These include data taken on the Subaru 8.3m telescope, the KPNO and CT…
The MeerKAT Absorption Line Survey (MALS)
N. Gupta, R. Srianand, W. Baan +41
Deep galaxy surveys have revealed that the global star formation rate (SFR) density in the Universe peaks at 1 < z < 2 and sharply declines towards z = 0. But a clear picture of th…
Recommendations of the VAO-Science Council
G. Fabbiano, D. Calzetti, C. Carilli +10
Recommendations of the VAO-Science Council following the meeting of March 26-27, 2010. Refer to the webpage http://www.aui.edu/vao.php
CO excitation of normal star forming galaxies out to z=1.5 as regulated by the properties of their interstellar medium
E. Daddi, H. Dannerbauer, D. Liu +15
We investigate the CO excitation of normal star forming disk galaxies at z=1.5 using IRAM PdBI observations of the CO[2-1], CO[3-2] and CO[5-4] transitions for 4 galaxies, includin…
The Interstellar Medium In Galaxies Seen A Billion Years After The Big Bang
P. L. Capak, C. Carilli, G. Jones +11
Evolution in the measured rest frame ultraviolet spectral slope and ultraviolet to optical flux ratios indicate a rapid evolution in the dust obscuration of galaxies during the fir…
Resolving the Powerful Radio-loud Quasar at z~6
E. Momjian, C. Carilli, E. Banados +2
We present high angular resolution imaging ( mas, pc) of the radio-loud quasar PSO~J352.403415.3373 at with the Very Long Baseline…
The VLA-COSMOS Survey: III. Further Catalog Analysis and the Radio Source Counts
M. Bondi, P. Ciliegi, E. Schinnerer +4
The VLA-COSMOS Large Project has imaged the 2 sq.deg. COSMOS field with a resolution of 1.5 arcsec and a sensitivity of about 11 microJy (1 sigma) yielding to a catalog of about 36…
COSMOS : Hubble Space Telescope Observations
N. Scoville, A. Benson, A. W. Blain +50
The Cosmic Evolution Survey (COSMOS) was initiated with an extensive allocation (590 orbits in Cycles 12-13) using the Hubble Space Telescope (HST) for high resolution imaging. Her…
Properties of mm galaxies: Constraints from K-band blank fields
H. Dannerbauer, M. D. Lehnert, D. Lutz +5
We have used the IRAM Plateau de Bure mm interferometer to locate with subarcsecond accuracy the dust emission of three of the brightest 1.2mm sources in the NTT Deep Field (NDF) s…
Varying [CII]/[NII] line ratios in the interacting system BR1202-0725 at z=4.7
R. Decarli, F. Walter, C. Carilli +8
We study the properties of the interstellar medium in the interacting system BR1202-0725 at z=4.7 via its [NII] and [CII] fine-structure line emission. This system consists of a QS…
VLT Spectroscopy of the z=4.11 Radio Galaxy TN J1338-1942
Carlos De Breuck, Wil van Breugel, Dante Minniti +4
We present optical, infrared and radio data of the z=4.11 radio galaxy TN J1338-1942, including an intermediate resolution spectrum obtained with FORS1on the VLT Antu telescope. TN…
ALMA constraints on the faint millimetre source number counts and their contribution to the cosmic infrared background
S. Carniani, R. Maiolino, G. De Zotti +20
We have analysed 18 ALMA continuum maps in Bands 6 and 7, with rms down to 7.8Jy, to derive differential number counts down to 60Jy and 100Jy at 1.3 mm and 1.…
Observations of [OI]63micron line emission in main-sequence galaxies at z~1.5
J. Wagg, M. Aravena, D. Brisbin +9
We present Herschel-PACS spectroscopy of four main-sequence star-forming galaxies at z~1.5. We detect [OI]63micron line emission in BzK-21000 at z=1.5213, and measure a line lumino…
Spectroscopy of luminous z>7 galaxy candidates and sources of contamination in z>7 galaxy searches
P. Capak, B. Mobasher, N. Z. Scoville +22
We present three bright z+ dropout candidates selected from deep Near-Infrared (NIR) imaging of the COSMOS 2 square degree field. All three objects match the 0.8-8um colors of othe…
Lyman Alpha Emitters at Redshift 5.7 in the COSMOS Field
T. Murayama, Y. Taniguchi, N. Z. Scoville +24
We present results from a narrow-band optical survey of a contiguous area of 1.95 deg^2, covered by the Cosmic Evolution Survey (COSMOS). Both optical narrow-band (lambda_c = 8150…
Probing the Dark Ages with the Square Kilometer Array
C. Carilli, S. Furlanetto, F. Briggs +3
The epoch of reionization (EoR) sets a fundamental benchmark in cosmic structure formation, corresponding to the formation of the first luminous objects that act to ionize the neut…
Capabilities and Limitations of Non-Redundant Aperture Interferometry for Beam Size Measurements
C. Carilli, U. Iriso, B. Nikolic +3
Non-Redundant Aperture Interferometry (NRAI) is a beam characterization technique developed at ALBA in collaboration with radio-astronomy institutes. It enables the single-acquisit…
The [OII]3727 Luminosity function and Star Formation Rate at z~1.2 in the COSMOS 2 Square-degree Field and the Subaru Deep Field
M. I. Takahashi, Y. Shioya, Y. Taniguchi +31
We have carried out a wide-field imaging survey for [OII]3727 emitting galaxies at z~1.2 in the HST COSMOS 2 square degree field using the Suprime-Cam on the Subaru Telescope. The…
A Kiloparsec-Scale Hyper-Starburst in a Quasar Host Less than 1 Gigayear after the Big Bang
F. Walter, D. Riechers, P. Cox +5
The host galaxy of the quasar SDSS J114816.64+525150.3 (at redshift z=6.42, when the Universe was <1 billion years old) has an infrared luminosity of 2.2x10^13 L_sun, presumably si…
Science with an ngVLA. Cold gas in High-z Galaxies: CO as redshift beacon
R. Decarli, C. Carilli, C. Casey +7
The goal of this science case is to address the use of a ngVLA as a CO redshift machine for dust-obscured high-redshift galaxies which lack of clear counterparts at other wavelengt…
A molecular line scan in the Hubble Deep Field North
R. Decarli, F. Walter, C. Carilli +20
We present a molecular line scan in the Hubble Deep Field North (HDF-N) that covers the entire 3mm window (79-115 GHz) using the IRAM Plateau de Bure Interferometer. Our CO redshif…
The Intense Starburst HDF850.1 in a Galaxy Overdensity at z=5.2 in the Hubble Deep Field
Fabian Walter, R. Decarli, C. Carilli +24
The Hubble Deep Field (HDF) is a region in the sky that provides one of the deepest multi-wavelength views of the distant universe and has led to the detection of thousands of gala…
Detection of M of molecular gas in the host galaxy of the SDSS quasar J0927+2001
C. Carilli, R. Neri, R. Wang +13
We have detected emission by the CO 5-4 and 6-5 rotational transitions at from the host galaxy of the SDSS quasar J0927+2001 using the Plateau de Bure interf…
Science with the Square Kilometer Array: Motivation, Key Science Projects, Standards and Assumptions
C. Carilli, S. Rawlings
The Square Kilometer Array (SKA) represents the next major, and natural, step in radio astronomical facilities, providing two orders of magnitude increase in collecting area over e…
Science with an ngVLA. Cold gas in High-z Galaxies: The molecular gas budget
R. Decarli, C. Carilli, C. Casey +7
The goal of this science case is to accurately pin down the molecular gas content of high redshift galaxies. By targeting the CO ground transition, we circumvent uncertainties rela…
Very High Gas Fractions and Extended Gas Reservoirs in z=1.5 Disk Galaxies
E. Daddi, F. Bournaud, F. Walter +10
We present evidence for very high gas fractions and extended molecular gas reservoirs in normal, near-infrared selected (BzK) galaxies at z~1.5, based on multi-configuration CO[2-1…
The faint counterparts of MAMBO mm sources near the NTT Deep Field
H. Dannerbauer, M. D. Lehnert, D. Lutz +5
We discuss identifications for 18 sources from our MAMBO 1.2mm survey of the region surrounding the NTT Deep Field. We have obtained accurate positions from Very Large Array 1.4GHz…
A Molecular Line Scan in the Hubble Deep Field North: Constraints on the CO Luminosity Function and the Cosmic H2 Density
F. Walter, R. Decarli, M. Sargent +19
We present direct constraints on the CO luminosity function at high redshift and the resulting cosmic evolution of the molecular gas density, (z), based on a blind mol…
Resolved Molecular Gas in a Quasar Host Galaxy at Redshift z=6.42
F. Walter, C. Carilli, F. Bertoldi +5
We present high-resolution VLA observations of the molecular gas in the host galaxy of the highest redshift quasar currently known, SDSS J1148+5251 (z=6.42). Our VLA data of the CO…
The Ionised- and Cool-Gas Content of The BR1202-0725 System as seen by MUSE and ALMA
A. B. Drake, F. Walter, M. Novak +7
We present MUSE observations of the gas-rich major-merger BR1202-0725 at z~4.7, which constitutes one of the most overdense fields known in the early Universe. We utilise these dat…
The 700 ks Chandra Spiderweb Field II: Evidence for inverse-Compton and thermal diffuse emission in the Spiderweb galaxy
P. Tozzi, R. Gilli, A. Liu +22
We present the X-ray imaging and spectral analysis of the diffuse emission around the Spiderweb galaxy at z=2.16 and of its nuclear emission, based on a deep (700 ks) Chandra obser…
HST/ACS Morphology of Lyman Alpha Emitters at Redshift 5.7 in the COSMOS Field
Y. Taniguchi, T. Murayama, N. Z. Scoville +28
We present detailed morphological properties of Lyman alpha emitters (LAEs) at z~ 5.7 in the COSMOS field, based on {\it Hubble Space Telescope} Advanced Camera for Surveys (ACS) d…
A 1.2mm MAMBO/IRAM-30m Survey of Dust Emission from the Highest Redshift PSS Quasars
A. Omont, P. Cox, F. Bertoldi +3
We report 250 GHz (1.2mm) observations of redshift > 3.8 quasars from the Palomar Sky Survey (PSS) sample, using the Max-Planck Millimetre Bolometer (MAMBO) array at the IRAM 30-me…
Feeding and feedback processes in the Spiderweb proto-intracluster medium
M. Lepore, L. Di Mascolo, P. Tozzi +15
We present the detailed analysis of the thermal, diffuse emission of the proto-intracluster medium (ICM) detected in the halo of the Spiderweb Galaxy at z=2.16, within a radius of…
HI 21cm absorption beyond the epoch of re-ionization
C. Carilli, N. Y. Gnedin, F. Owen
We explore the possibility of detecting HI 21cm absorption by the neutral intergalactic medium (IGM) toward very high redshift radio sources. The epoch considered is between the ti…
The faint radio sky: VLBA observations of the COSMOS field
N. Herrera Ruiz, E. Middelberg, A. Deller +10
We study the faint radio population using wide-field very long baseline interferometry (VLBI) observations of 2865 known radio sources in the Cosmic Evolution Survey (COSMOS) field…
High Redshift Radio Galaxies: Laboratories for Massive Galaxy and Cluster Formation in the early Universe
G. Miley, C. Carilli, G. B. Taylor +2
High redshift radio galaxies are among the largest, most luminous, most massive, and most beautiful objects in the Universe. They are generally identified from their radio emission…
The essential signature of a massive starburst in a distant galaxy
P. Solomon, P. Vanden Bout, C. Carilli +1
Observations of carbon monoxide (CO) emission in high redshift (z>2) galaxies indicate the presence of large amounts of molecular gas. Many of these galaxies contain an active gala…
The Chandra COSMOS Survey, I: Overview and Point Source Catalog
Martin Elvis, Francesca Civano, Cristian Vignali +40
The Chandra COSMOS Survey (C-COSMOS) is a large, 1.8 Ms, Chandra} program that has imaged the central 0.5 sq.deg of the COSMOS field (centered at 10h, +02deg) with an effective exp…
The Dark Side of Reionization: Probing Cooling in the Early Universe
P. N. Appleton, L. Armus, A. Blain +17
Probing the growth of structure from the epoch of hydrogen recombination to the formation of the first stars and galaxies is one of the most important uncharted areas of observatio…
Imaging low order CO emission from the z=4.12 QSO PSS 2322+1944
C. Carilli, P. Cox, F. Bertoldi +2
We present observations of CO 1-0 and CO 2-1 emission from the z = 4.12 QSO PSS 2322+1944 using the Very Large Array. The CO emission is extended on a spatial scale of 2''. This ex…
The Cosmic Evolution Survey (COSMOS): Subaru Observations of the HST COSMOS Field
Y. Taniguchi, N. Scoville, T. Murayama +27
We present deep optical imaging observations of 2 square degree area, covered by the Cosmic Evolution Survey (COSMOS), made by the prime-focus Camera (Supreme-Cam) on the 8.2m Suba…
Ionized nitrogen at high redshift
R. Decarli, F. Walter, R. Neri +11
We present secure [NII[ detections in two mm-bright, strongly lensed objects at high redshift, APM08279+5255 (z=3.911) and MM18423+5938 (z=3.930), using the IRAM Plateau de Bure In…
Radio observations of the cool gas, dust, and star formation in the first galaxies
C. Carilli, F. Walter, R. Wang +6
We summarize cm through submm observations of the host galaxies of z ~ 6 quasars. These observations reveal the cool molecular gas (the fuel for star formation), the warm dust (hea…
A 1.2mm MAMBO/IRAM-30m Study of Dust Emission from optically luminous z~2 Quasars
A. Omont, A. Beelen, F. Bertoldi +5
We report 250GHz (1.2mm) observations of redshift 1.8 < z < 2.8 optically luminous (M_B < -27.0), radio quiet quasars using the Max-Planck Millimeter Bolometer (MAMBO) array at the…
Heating a Distant Galaxy Cluster by Giant X-ray Cavities and Large-Scale Shock Fronts
B. R. McNamara, P. E. J. Nulsen, M. W. Wise +4
We report the discovery of a pair of giant cavities, each nearly 200 kpc in diameter, embedded in the gaseous halo of the redshift z=0.216 galaxy cluster MS0735.6+7421. The cavitie…
Constraining Polarized Foregrounds for EoR Experiments I: 2D Power Spectra from the PAPER-32 Imaging Array
S. A. Kohn, J. Aguirre, C. Nunhokee +15
Current-generation low frequency interferometers constructed with the objective of detecting the high-redshift 21 cm background, aim to generate power spectra of the brightness-tem…
Variations in the Fundamental constants in the QSO Host J1148+5251 at z = 6.4 and the BR1202-0725 System at z = 4.7
Lindley Lentati, C. Carilli, P. Alexander +11
We use sensitive observations of three high redshift sources; [CII] fine structure and CO(2-1) rotational transitions for the z=6.4 Quasar host galaxy (QSO) J1148+5251, and [CII] a…
Science with an ngVLA. Cold gas in High-z Galaxies: The dense ISM
R. Decarli, C. Carilli, C. Casey +7
The goal of this science case is to study physical conditions of the interstellar medium (ISM) in distant galaxies. In particular, its densest component is associated with the inne…