Publications (46)
First Results from High Angular Resolution ALMA Observations Toward the HL Tau Region
ALMA Partnership, C. L. Brogan, L. M. Perez +82
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations from the 2014 Long Baseline Campaign in dust continuum and spectral line emission from the HL Tau region…
[CII] line emission in massive star-forming galaxies at z=4.7
J. Wagg, T. Wiklind, C. L. Carilli +20
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of the [CII] 157.7micron fine structure line and thermal dust continuum emission from a pair of gas-rich…
An ALMA Early Science survey of molecular absorption lines toward PKS1830-211 -- Analysis of the absorption profiles
S. Muller, F. Combes, M. Guelin +17
We present the first results of an ALMA spectral survey of strong absorption lines for common interstellar species in the z=0.89 molecular absorber toward the lensed blazar PKS1830…
Upper limits to the water abundance in starburst galaxies
C. D. Wilson, R. S. Booth, A. O. H. Oloffson +11
We have searched for emission from the 557 GHz ortho-water line in the interstellar medium of six nearby starburst galaxies. We used the Odin satellite to observe the 1_10-1_01 tra…
Future mmVLBI Research with ALMA: A European vision
R. P. J. Tilanus, T. P. Krichbaum, J. A. Zensus +165
Very long baseline interferometry at millimetre/submillimetre wavelengths (mmVLBI) offers the highest achievable spatial resolution at any wavelength in astronomy. The anticipated…
Cosmic dynamics in the era of Extremely Large Telescopes
J. Liske, A. Grazian, E. Vanzella +24
The redshifts of all cosmologically distant sources are expected to experience a small, systematic drift as a function of time due to the evolution of the Universe's expansion rate…
New upper limits on the interstellar O2 abundance
F. Combes, T. Wiklind, N. Nakai +3
We report new observations of molecular oxygen in absorption at z=0.685 in front of the radio source B0218+357. The lines at 56.3 and 118.7 GHz have been observed, redshifted to 33…
Search for molecular absorption in the tori of active galactic nuclei
M. Drinkwater, F. Combes, T. Wiklind
We describe a search for molecular absorption at millimetre wavelengths associated with dusty molecular tori in active galactic nuclei (AGN). The sample observed consists of 11 fla…
ALMA Observations of Asteroid 3 Juno at 60 Kilometer Resolution
ALMA Partnership, T. R. Hunter, R. Kneissl +67
We present Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm continuum images of the asteroid 3 Juno obtained with an angular resolution of 0.042 arcseconds (60 km at 1.97…
On the absence of molecular absorption in high redshift millimetre-band searches
S. J. Curran, M. T. Whiting, F. Combes +6
We have undertaken a search for millimetre-wave band absorption (through the CO and HCO+ rotational transitions) in the host galaxies of reddened radio sources (z = 0.405-1.802). D…
Detection of water at z = 0.685 towards B0218+357
F. Combes, T. Wiklind
We report the detection of the H_2O molecule in absorption at a redshift z = 0.68466 in front of the gravitationally lensed quasar B0218+357. We detect the fundamental transition o…
HCN J=5-4 Emission in APM08279+5255 at z=3.91
J. Wagg, D. J. Wilner, R. Neri +2
We detect HCN J=5-4 emission from the ultraluminous quasar APM08279+5255 at z=3.911 using the IRAM Plateau de Bure interferometer. This object is strongly gravitationally lensed, y…
Molecular and Atomic Gas in the Local Group Galaxy M33
P. Gratier, J. Braine, N. J. Rodriguez-Fernandez +22
We present high resolution large scale observations of the molecular and atomic gas in the Local Group Galaxy M33. The observations were carried out using the HERA at the 30m IRAM…
Molecular gas in the galaxy M83. II - Kinematics of the molecular gas
A. A. Lundgren, H. Olofsson, T. Wiklind +1
We present the kinematics of the molecular gas in the barred spiral galaxy M83 (NGC5236). The study is based on ^{12}CO(J=1--0 and 2--1) observations with the Swedish-ESO Submillim…
Atomic Carbon in APM 08279+5255 at z=3.91
J. Wagg, D. J. Wilner, R. Neri +2
We present a detection of [CI] line emission in the lensed quasar APM 08279+5255 at z=3.91 using the IRAM Plateau de Bure interferometer. The [CI] line velocity and width are simil…
Direct evidence for an early reionization of the Universe?
N. Panagia, S. M. Fall, B. Mobasher +5
We examine the possible reionization of the intergalactic medium (IGM) by the source UDF033238.7-274839.8 (hereafter HUDF-JD2), which was discovered in deep {\it HST}/VLT/{\it Spit…
The Nature of Submm-Detected Galaxies
Duilia de Mello, T. Wiklind, C. Leitherer +1
We present high resolution VLT spectra of 2 submm-detected galaxies. Diagnostic stellar absorption lines (Starburst99) are used to analyse their stellar population. SMM J14011+0252…
Molecular gas in the galaxy M83. I - The molecular gas distribution
A. A. Lundgren, T. Wiklind, H. Olofsson +1
We present CO(1-0) and CO(2-1) Swedish-ESO Submillimetre Telescope (SEST) observations of the barred spiral galaxy M83 (NGC5236). The maps cover the entire optical disk. The CO emi…
Highly-excited CO emission in APM08279+5255 at z=3.9
A. Weiss, D. Downes, R. Neri +5
We report the detection of the CO 4-3, 6-5, 9-8, 10-9, and 11-10 lines in the Broad Absorption Line quasar APM08279+5255 at z=3.9 using the IRAM 30m telescope. We also present IRAM…
Distribution of the molecular absorption in front of the quasar B0218+357
S. Muller, M. Guelin, F. Combes +1
The line of sight to the quasar B0218+357, one of the most studied lensed systems, intercepts a z=0.68 spiral galaxy, which splits its image into two main components A and B, separ…
Evidence for a Massive Post-Starburst Galaxy at z ~ 6.5
B. Mobasher, M. Dickinson, H. C. Ferguson +26
We present results from a search for high-redshift J--band ``dropout'' galaxies in the portion of the GOODS southern field that is covered by extremely deep imaging from the Hubble…
Search for LiH in the ISM towards B0218+357
F. Combes, T. Wiklind
We report a tentative detection with the IRAM 30m telescope of the LiH molecule in absorption in front of the lensed quasar B0218+357. We have searched for the J = 0 -- 1 rotationa…
Time Delay of PKS1830-211 Using Molecular Absorption Lines
T. Wiklind, F. Combes
The use of molecular absorption lines in deriving the timde delay in PKS1830-211 is described, as well as results from a three year monitoring campaign. The time delay and the impl…
Molecular gas and dust in NGC4550: A galaxy with two counterrotating stellar disks
T. Wiklind, C. Henkel
We report the detection of 1 10^7 M_sun of molecular gas in the central region of the S0/E7 galaxy NGC4550, inferred from observations of CO(1-0) emission. Dust is detected in HST…
Detection of CO(4-3), CO(9-8), and dust emission in the BAL quasar APM 08279+5255 at a redshift of 3.9
D. Downes, R. Neri, T. Wiklind +2
We detected with the IRAM interferometer the lines of CO(4-3) and CO(9-8) from the recently-discovered broad absorption line quasar APM 08279+5255. The molecular lines are at a red…
Detection of CH+, SH+, and their 13C- and 34S- isotopologues toward PKS1830-211
S. Muller, H. S. P. M"uller, J. H. Black +13
The z=0.89 molecular absorber toward PKS1830-211 provides us with the opportunity to probe the chemical and physical properties of the interstellar medium in the disk of a galaxy a…
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…
CANDELS Multiwavelength Catalogs: Source Identification and Photometry in the CANDELS COSMOS Survey Field
H. Nayyeri, S. Hemmati, B. Mobasher +36
We present a multi-wavelength photometric catalog in the COSMOS field as part of the observations by the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS). T…
A survey for redshifted molecular and atomic absorption lines - II. Associated HI, OH and millimetre lines in the z >~ 3 Parkes quarter-Jansky flat-spectrum sample
S. J. Curran, M. T. Whiting, T. Wiklind +3
We present the results of a z>2.9 survey for HI 21-cm and molecular absorption in the hosts of radio quasars using the GMRT and the Tidbinbilla 70-m telescope. Previously published…
IRAM observations of JVAS/CLASS gravitational lenses
E. Xanthopoulos, F. Combes, T. Wiklind
We have searched for molecular absorption lines at millimeter wavelengths in eleven gravitational lens systems discovered in the JVAS/CLASS surveys of flat spectrum radio sources.…
Molecular lines in absorption: recent results
F. Combes, T. Wiklind
Some recent results are presented about high redshift molecular absorption lines, namely about chemical abundances of elements, and in particular of water and molecular oxygen. Exc…
Multi-molecule ALMA observations towards the Seyfert 1 galaxy NGC 1097
S. Martin, K. Kohno, T. Izumi +17
The nearby Sy 1 galaxy NGC 1097 represents an ideal laboratory to explore the molecular chemistry in the presence and surroundings of an active galactic nucleus. Exploring the dist…
Cold gas in elliptical galaxies
A. Georgakakis, A. M. Hopkins, A. Caulton +3
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age…
On the Spatially Resolved Star Formation History in M51 I: Hybrid UV+IR Star Formation Laws and IR Emission from Dust Heated by Old Stars
R. T. Eufrasio, B. D. Lehmer, A. Zezas +10
We present Lightning, a new spectral energy distribution (SED) fitting procedure, capable of quickly and reliably recovering star formation history (SFH) and extinction parameters.…
ALMA Long Baseline Observations of the Strongly Lensed Submillimeter Galaxy HATLAS J090311.6+003906 at z=3.042
ALMA Partnership, C. Vlahakis, T. R. Hunter +78
We present initial results of very high resolution Atacama Large Millimeter/submillimeter Array (ALMA) observations of the =3.042 gravitationally lensed galaxy HATLAS J090311.6+…
A Population of Massive and Evolved Galaxies at z$\ga$5
T. Wiklind, M. Dickinson, H. C. Ferguson +4
We report results from a search for massive and evolved galaxies at z>5 in the GOODS southern field. Combining HST ACS, VLT ISAAC and Spitzer IRAC photometric data, we develop a co…
Improved constraints on possible variation of physical constants from H I 21cm and molecular QSO absorption lines
M. T. Murphy, J. K. Webb, V. V. Flambaum +3
QSO absorption spectra provide an extremely useful probe of possible cosmological variation in various physical constants. Comparison of H I 21cm absorption with corresponding mole…
Constraining the Nature of Two Ly-alpha Emitters detected by ALMA at z = 4.7
R. J. Williams, J. Wagg, R. Maiolino +7
We report optical VLT FORS2 spectroscopy of the two Ly-alpha emitters (LAEs) companions to the quasi-stellar object (QSO) - sub-millimetre galaxy (SMG) system BRI1202-0725 at z = 4…
Redshifted HI and OH absorption in radio galaxies and quasars
S. J. Curran, M. T. Whiting, M. T. Murphy +6
From a survey for redshifted HI 21-cm and OH 18-cm absorption in the hosts of a sample of radio galaxies and quasars, we detect HI in three of the ten and OH in none of the fourtee…
Distortion of the SED of High-z Luminous Infrared Galaxies by Strong Lensing
K. M. Pontoppidan, T. Wiklind
We present a model to estimate the effect of differential magnification on the SED of high-z ULIRGs. It is found that the ratio of the high temperature component to the low tempera…
OH+ and H2O+ absorption toward PKS1830-211
S. Muller, H. S. P. M"uller, J. H. Black +13
We report the detection of OH+ and H2O+ in the z=0.89 absorber toward the lensed quasar PKS1830-211. The abundance ratio of OH+ and H2O+ is used to quantify the molecular hydrogen…
From Espresso to Codex
J. Liske, L. Pasquini, P. Bonifacio +24
CODEX and ESPRESSO are concepts for ultra-stable, high-resolution spectrographs at the E-ELT and VLT, respectively. Both instruments are well motivated by distinct sets of science…
Molecular oxygen in the rho Ophiuchi cloud
B. Larsson, R. Liseau, L. Pagani +56
Molecular oxygen, O2 has been expected historically to be an abundant component of the chemical species in molecular clouds and, as such, an important coolant of the dense interste…
Dense gas in luminous infrared galaxies
W. A. Baan, C. Henkel, A. F. Loenen +2
Molecules that trace the high-density regions of the interstellar medium have been observed in (ultra-)luminous (far-)infrared galaxies, in order to initiate multiple-molecule mult…
Stellar masses from the CANDELS survey: the GOODS-South and UDS fields
P. Santini, H. C. Ferguson, A. Fontana +35
We present the public release of the stellar mass catalogs for the GOODS-S and UDS fields obtained using some of the deepest near-IR images available, achieved as part of the Cosmi…
Constraints on changes in fundamental constants from a cosmologically distant OH absorber/emitter
N. Kanekar, C. L. Carilli, G. I. Langston +7
We have detected the four 18cm OH lines from the gravitational lens toward PMN J0134-0931. The 1612 and 1720 MHz lines are in conjugate absorption and emission, prov…