Jeff Wagg

Observations by GMRT at 323 MHz of radio-loud quasars at $z > 5$

Yali Shao, Jeff Wagg, Ran Wang +5

We present Giant Metrewave Radio Telescope (GMRT) 323 MHz radio continuum observations toward 13 radio-loud quasars at $z > 5$ , sampling the low-frequency synchrotron emission from t…

The evolution of the cosmic molecular gas density

Fabian Walter, Chris Carilli, Roberto Decarli +38

One of the last missing pieces in the puzzle of galaxy formation and evolution through cosmic history is a detailed picture of the role of the cold gas supply in the star-formation…

The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: Evolution of the molecular gas in CO-selected galaxies

Manuel Aravena, Roberto Decarli, Jorge GÃ³nzalez-LÃ³pez +31

We analyze the interstellar medium properties of a sample of sixteen bright CO line emitting galaxies identified in the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (AS…

The case for a 'sub-millimeter SDSS': a 3D map of galaxy evolution to z~10

James E. Geach, Manda Banerji, Frank Bertoldi +53

The Sloan Digital Sky Survey (SDSS) was revolutionary because of the extraordinary breadth and ambition of its optical imaging and spectroscopy. We argue that a 'sub-millimeter SDS…

VLA-ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (VLASPECS): Total Cold Gas Masses and CO Line Ratios for z=2-3 "Main Sequence" Galaxies

Dominik A. Riechers, Leindert A. Boogaard, Roberto Decarli +15

Using the NSF's Karl G. Jansky Very Large Array (VLA), we report six detections of CO(J=1-0) emission and one upper limit in z=2-3 galaxies originally detected in higher-J CO emiss…

Cold molecular gas in massive disk galaxies at z=1.5

Manuel Aravena, Chris L. Carilli, Emanuele Daddi +7

We report the detection of the CO J=1-0 emission line in three near-infrared selected star-forming galaxies at z~1.5 with the Very Large Array (VLA) and the Green Bank telescope (G…

Far-infrared and Molecular CO Emission From the Host Galaxies of Faint Quasars at z~6

Ran Wang, Jeff Wagg, Chris L. Carilli +10

We present new millimeter and radio observations of nine z~6 quasars discovered in deep optical and near-infrared surveys. We observed the 250 GHz continuum in eight of the nine ob…

The ALMA Spectroscopic Survey in the HUDF: Deep 1.2 mm continuum number counts

Jorge GonzÃ¡lez-LÃ³pez, Mladen Novak, Roberto Decarli +19

We present the results from the 1.2 mm continuum image obtained as part of the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS). The 1.2 mm continuum image has a s…

astro-ph.GA2025

(SHERRY) JCMT-SCUBA2 High Redshift Bright Quasar Survey -- II: the environment of z~6 quasars in sub-millimeter band

Qiong Li, Ran Wang, Xiaohui Fan +14

The formation of the first supermassive black holes is expected to have occurred in some most pronounced matter and galaxy overdensities in the early universe. We have conducted a…

astro-ph.GA2021

Resolving Disks & Mergers in $z \sim 2$ Heavily Reddened Quasars and their Companion Galaxies with ALMA

Manda Banerji, Gareth C. Jones, Stefano Carniani +2

We present sub-arcsecond resolution ALMA imaging of the CO(3-2) emission in two $z \sim 2.5$ heavily reddened quasars (HRQs) - ULASJ1234+0907 and ULASJ2315+0143 - and their companion…

Imaging the Molecular Gas Properties of a Major Merger Driving the Evolution of a z=2.5 Submillimeter Galaxy

Dominik A. Riechers, Christopher L. Carilli, Fabian Walter +6

We report the detection of spatially extended CO 1-0 and 5-4 emission in the z=2.49 submillimeter galaxy (SMG) J123707+6214, using the Expanded Very Large Array and the Plateau de…

astro-ph.CO2009

Constraints on the presence of water megamaser emission in z~2.5 ultraluminous infrared starburst galaxies

Jeff Wagg, Emmanuel Momjian

We present Expanded Very Large Array and Arecibo observations of two lensed submm galaxies at z~2.5, in order to search for redshifted 22.235 GHz water megamaser emission. Both SMM…

COLDz: A High Space Density of Massive Dusty Starburst Galaxies ~1 Billion Years after the Big Bang

Dominik A. Riechers, Jacqueline A. Hodge, Riccardo Pavesi +15

We report the detection of CO( $J$ =2 $\to$ 1) emission from three massive dusty starburst galaxies at $z$ $>$ 5 through molecular line scans in the NSF's Karl G. Jansky Very Large Array…

astro-ph.CO2009

The molecular gas content of z > 6.5 Lyman-alpha emitters

Jeff Wagg, Nissim Kanekar, Chris Carilli

We present results from a sensitive search for CO J=1-0 line emission in two z> 6.5 Lyman-alpha emitters (LAEs) with the Green Bank Telescope. CO J=1-0 emission was not detected fr…

ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: Survey Description

Fabian Walter, Roberto Decarli, Manuel Aravena +39

We present the rationale for and the observational description of ASPECS: The ALMA SPECtroscopic Survey in the Hubble Ultra-Deep Field (UDF), the cosmological deep field that has t…

astro-ph.CO2009

Radio and X-ray properties of submillimeter galaxies in the A2125 field

Jeff Wagg, Frazer Owen, Frank Bertoldi +4

We present the radio and X-ray properties of 1.2 mm MAMBO source candidates in a 1600 sq. arcmin field centered on the Abell 2125 galaxy cluster at z=0.247. The brightest, non-sync…

astro-ph.CO2013

Probing the Interstellar Medium of z~1 Ultra-luminous Infrared Galaxies through Interferometric Observations of CO and Spitzer Mid-infrared Spectroscopy

Alexandra Pope, Jeff Wagg, David Frayer +8

We explore the relationship between gas, dust and star formation in a sample of 12 ultra-luminous infrared galaxies (ULIRGs) at high redshift compared to a similar sample of local…

The ALMA Spectroscopic Survey in the HUDF: CO Excitation and Atomic Carbon in Star-Forming Galaxies at $z = 1 - 3$

Leindert A. Boogaard, Paul van der Werf, Axel WeiÃ +15

We investigate the CO excitation and interstellar medium (ISM) conditions in a cold gas mass-selected sample of 22 star-forming galaxies at $z = 0.46 - 3.60$ , observed as part of the A…

VLBA reveals the absence of a compact radio core in the radio intermediate quasar J2242+0334 at z =5.9

Yuanqi Liu, Ran Wang, Emmanuel Momjian +6

High-resolution imaging is crucial for exploring the origin and mechanism of radio emission in quasars, especially at high redshifts. We present 1.5 GHz Very Long Baseline Array (V…

astro-ph.IM2019

Anticipated Performance of the Square Kilometre Array -- Phase 1 (SKA1)

Robert Braun, Anna Bonaldi, Tyler Bourke +2

The Square Kilometre Array (SKA), currently under design, will be a transformational facility for studying the Universe at centimetre and metre wavelengths in the next decade and b…

astro-ph.GA2018

The CO Luminosity Density at High-z (COLDz) Survey: A Sensitive, Large Area Blind Search for Low-J CO Emission from Cold Gas in the Early Universe with the Karl G. Jansky Very Large Array

Riccardo Pavesi, Chelsea E. Sharon, Dominik A. Riechers +16

We describe the CO Luminosity Density at High-z (COLDz) survey, the first spectral line deep field targeting CO(1-0) emission from galaxies at $z = 1.95 - 2.85$ and CO(2-1) at $z=4.91-…

The interstellar medium distribution, gas kinematics, and system dynamics of the far-infrared luminous quasar SDSS J2310+1855 at $z = 6.0$

Yali Shao, Ran Wang, Axel Weiss +12

We present ALMA sub-kpc- to kpc-scale resolution observations of the [CII], CO(9-8), and OH $^{+}$ \,( $1_{1}$ -- $0_{1}$ ) lines along with their dust continuum emission toward the FIR…

Exploring the radio spectral energy distribution of the ultraluminous radio-quiet quasar SDSS J0100+2802 at redshift 6.3

Yuanqi Liu, Ran Wang, Emmanuel Momjian +13

We report deep Karl G. Jansky Very Large Array (VLA) observations of the optically ultraluminous and radio-quiet quasar SDSS J010013.02 + 280225.8 (hereafter J0100+2802) at redshif…

Ionized and atomic interstellar medium in the z = 6.003 quasar SDSS J2310+1855

Jianan Li, Ran Wang, Pierre Cox +13

Observing the interstellar medium (ISM) in $z ≳ 6$ quasars host galaxies is essential for understanding the co-evolution between the supermassive black holes and their hosts.…

astro-ph.GA2017

ALMA [CII] detection of a redshift 7 lensed galaxy behind RXJ1347.1-1145

MaruÅ¡a BradaÄ, Diego Garcia-Appadoo, Kuang-Han Huang +13

We present the results of ALMA spectroscopic follow-up of a $z = 6.765$ Lyman- $I^\pm$ emitting galaxy behind the cluster RXJ1347-1145. We report the detection of [CII]158 $I^¼$ m line full…

astro-ph.GA2017

Probing the interstellar medium and star formation of the Most Luminous Quasar at z=6.3

Ran Wang, Xue-Bing Wu, Roberto Neri +13

We report new IRAM/PdBI, JCMT/SCUBA-2, and VLA observations of the ultraluminous quasar SDSSJ010013.02+280225.8 (hereafter, J0100+2802) at z=6.3, which hosts the most massive super…

The ALMA Spectroscopic Survey in the HUDF: Constraining cumulative CO emission at $1 ≲ z ≲ 4$ with power spectrum analysis of ASPECS LP data from 84 to 115 GHz

Bade Uzgil, Chris Carilli, Adam Lidz +12

We present a power spectrum analysis of the ALMA Spectroscopic Survey Large Program (ASPECS LP) data from 84 to 115 GHz. These data predominantly probe small-scale fluctuations ($k…

Unveiling the mask on the ULIRG-to-QSO transition object [H89]1821+643 at z=0.3: a gas-poor/gas-rich galaxy merger and the implications for CO-based dynamical mass estimates

Manuel Aravena, Jeff Wagg, Padelis Papadopoulos +1

We report the detection of the CO J=1-0 emission line in [H89]1821+643, one of the most optically luminous QSOs in the local Universe and a template ULIRG-to-QSO transition object,…

astro-ph.GA2026

Cm-wavelength Studies of Molecular Gas and Star Formation at High Redshift with the SKA

Ran Wang, Jeff Wagg, Mark T. Sargent +6

The Square Kilometre Array will be a revolutionary instrument for the study of gas in the distant Universe. At frequencies below ~50 GHz, observations of redshifted emission from l…

Molecular Gas in Redshift 6 Quasar Host Galaxies

Ran Wang, Chris L. Carilli, R. Neri +8

We report our new observations of redshifted carbon monoxide emission from six z~6 quasars, using the PdBI. CO (6-5) or (5-4) line emission was detected in all six sources. Togethe…

astro-ph2007

The SCUBA HAlf Degree Extragalactic Survey (SHADES) -- VI. 350 micron mapping of submillimetre galaxies

Kristen Coppin, Mark Halpern, Douglas Scott +24

A follow-up survey using the Submillimetre High-Angular Resolution Camera (SHARC-II) at 350 microns has been carried out to map the regions around several 850 micron-selected sourc…

[CII] line emission in BRI1335-0417 at z=4.4

Jeff Wagg, Chris L. Carilli, David J. Wilner +5

Using the 12m APEX telescope, we have detected redshifted emission from the 157.74micron [CII] line in the z=4.4074 quasar BRI1335-0417. The linewidth and redshift are in good agre…

astro-ph.CO2012

CO J=2-1 line emission in cluster galaxies at z~1: fueling star formation in dense environments

Jeff Wagg, Alexandra Pope, Stacey Alberts +9

We present observations of CO J=2-1 line emission in infrared-luminous cluster galaxies at z~1 using the IRAM Plateau de Bure Interferometer. Our two primary targets are optically…

Dense Molecular Gas Excitation in Nuclear Starbursts at High Redshift: HCN, HNC, and HCO+(J=6-5) Emission in the z=3.91 Quasar Host of APM08279+5255

Dominik A. Riechers, Axel Weiss, Fabian Walter +1

We report the detection of surprisingly strong HCN, HNC, and HCO+(J=6-5) emission in the host galaxy of the z=3.91 quasar APM08279+5255 through observations with CARMA. HCN, HNC, a…

astro-ph.CO2013

A search for CII-158 $I^¼$ m line emission in HCM\,6A, a Lyman- $I^\pm$ emitter at $z = 6.56$

Nissim Kanekar, Jeff Wagg, Ranga Ram Chary +1

We report a Plateau de Bure interferometer search for CII-158 $I^¼$ m emission from HCM6A, a lensed Lyman- $I^\pm$ emitter (LAE) at $z = 6.56$ . Our non-detections of CII-158 $I^¼$ m line emi…

Kiloparsec-scale imaging of the CO(1-0)-traced cold molecular gas reservoir in a z~3.4 submillimeter galaxy

Marta Frias Castillo, Matus Rybak, Jacqueline Hodge +9

We present a high-resolution study of the cold molecular gas as traced by CO(1-0) in the unlensed z $\sim$ 3.4 submillimeter galaxy SMM J13120+4242, using multi-configuration observa…

The ALMA Spectroscopic Survey in the HUDF: The Cosmic Dust and Gas Mass Densities in Galaxies up to $z \sim 3$

Benjamin Magnelli, Leindert Boogaard, Roberto Decarli +24

Using the deepest 1.2 mm continuum map to date in the Hubble Ultra Deep Field obtained as part of the ALMA Spectroscopic Survey (ASPECS) large program, we measure the cosmic densit…

The ALMA Spectroscopic Survey in the HUDF: Nature and physical properties of gas-mass selected galaxies using MUSE spectroscopy

Leindert A. Boogaard, Roberto Decarli, Jorge GonzÃ¡lez-LÃ³pez +31

We discuss the nature and physical properties of gas-mass selected galaxies in the ALMA spectroscopic survey (ASPECS) of the Hubble Ultra Deep Field (HUDF). We capitalize on the de…

astro-ph.GA2024

Constraining the excitation of molecular gas in Two Quasar-Starburst Systems at $z \sim 6$

Fuxiang Xu, Ran Wang, Jianan Li +15

We present NOrthern Extended Millimeter Array observations of CO(8-7), (9-8), and (10-9) lines, as well as the underlying continuum for two far-infrared luminous quasars: SDSS J205…

Probing the full CO spectral line energy distribution (SLED) in the nuclear region of a quasar-starburst system at $z = 6.003$

Jianan Li, Ran Wang, Dominik Riechers +14

We report Atacama Large Millimeter/submillimeter Array (ALMA) observations of CO $(8 - 7)$ , $(9 - 8)$ , $H_{2} O (2_{0, 2} - 1_{1, 1})$ and $O H^{+} (1_{1} - 0_{1})$ and NOrthern Extend…

astro-ph.GA2024

The Radio Galaxy Environment Reference Survey (RAGERS): a submillimetre study of the environments of massive radio-quiet galaxies at $z = 1 - 3$

Thomas M. Cornish, Julie L. Wardlow, Thomas R. Greve +15

Measuring the environments of massive galaxies at high redshift is crucial to understanding galaxy evolution and the conditions that gave rise to the distribution of matter we see…

COLDz: Shape of the CO Luminosity Function at High Redshift and the Cold Gas History of the Universe

Dominik A. Riechers, Riccardo Pavesi, Chelsea E. Sharon +14

We report the first detailed measurement of the shape of the CO luminosity function at high redshift, based on $>$ 320 hr of the NSF's Karl G. Jansky Very Large Array (VLA) observat…

astro-ph.CO2012

A deep search for CO J=2-1 emission from a Lyman-Alpha blob at z~6.595

Jeff Wagg, Nissim Kanekar

We have used the Green Bank Telescope to carry out a deep search for redshifted CO J=2-1 line emission from an extended (>17 kpc) Ly-Alpha blob (LAB), "Himiko", at z~6.595. Our non…

astro-ph.GA2015

Star formation and the interstellar medium in z>6 UV-luminous Lyman-break galaxies

Chris J. Willott, Chris L. Carilli, Jeff Wagg +1

We present Atacama Large Millimeter Array (ALMA) detections of atomic carbon line and dust continuum emission in two UV-luminous galaxies at redshift 6. The far-infrared (FIR) lumi…

CO (2-1) Line Emission in Redshift 6 Quasar Host Galaxies

Ran Wang, Jeff Wagg, Chris L. Carilli +12

We report new observations of CO (2-1) line emission toward five z~6 quasars using the Ka-band receiver system on the Expanded Very Large Array (EVLA). Strong detections were obtai…

astro-ph.GA2014

The Astrophysics of Star Formation Across Cosmic Time at $≳$ 10 GHz with the Square Kilometre Array

Eric J. Murphy, Mark T. Sargent, Rob J. Beswick +12

In this chapter, we highlight a number of science investigations that are enabled by the inclusion of Band~5 ( $4.6 - 13.8$ GHz) for SKA1-MID science operations, while focusing on the…

The hidden circumgalactic medium

Claudia Cicone, Carlos De Breuck, Chian-Chou Chen +15

The cycling of baryons in and out of galaxies is what ultimately drives galaxy formation and evolution. The circumgalactic medium (CGM) represents the interface between the interst…

astro-ph2007

SHARC-II 350 micron Observations of Thermal Emission from Warm Dust in z>=5 Quasars

Ran Wang, Jeff Wagg, Chris L. Carilli +10

We present observations of four z>= SDSS quasars at 350 micron with the SHARC-II bolometer camera on the Caltech Submillimeter Observatory. These are among the deepest observations…

astro-ph2008

A new twist to an old story: HE 0450-2958, and the ULIRG $\to$ (optically bright QSO) transition hypothesis

Padeli P. Papadopoulos, Ilana J. Feain, Jeff Wagg +1

We report on interferometric imaging of the CO J=1--0 and J=3--2 line emission from the controversial QSO/galaxy pair HE 0450--2958. {\it The detected CO J=1--0 line emission is fo…

The ALMA Spectroscopic Survey in the HUDF: Constraining the Molecular Content at $lo g (M_{*} / M_{⊙}) \sim 9.5$ with CO stacking of MUSE detected $z \sim 1.5$ Galaxies

Hanae Inami, Roberto Decarli, Fabian Walter +19

We report molecular gas mass estimates obtained from a stacking analysis of CO line emission in the ALMA Spectroscopic Survey (ASPECS) using the spectroscopic redshifts from the op…

ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: The Infrared Excess of UV-selected z=2-10 galaxies as a function of UV-continuum Slope and Stellar Mass

Rychard Bouwens, Manuel Aravena, Roberto Decarli +25

We make use of deep 1.2mm-continuum observations (12.7microJy/beam RMS) of a 1 arcmin^2 region in the Hubble Ultra Deep Field to probe dust-enshrouded star formation from 330 Lyman…

astro-ph.GA2017

Gas dynamics of a luminous $z$ = 6.13 quasar ULAS J1319 $+$ 0950 revealed by ALMA high resolution observations

Yali Shao, Ran Wang, Gareth C. Jones +12

We present new Atacama Large Millimeter/submillimeter Array (ALMA) observations of the dust continuum and [C II] 158 $I^¼$ m fine structure line emission towards a far-infrared-lumin…

astro-ph2007

The SCUBA HAlf Degree Extragalactic Survey (SHADES) - IV: Radio-mm-FIR photometric redshifts

Itziar Aretxaga, David H. Hughes, Kristen Coppin +28

We present the redshift distribution of the SHADES galaxy population based on the rest-frame radio-mm-FIR colours of 120 robustly detected 850um sources in the Lockman Hole East (L…

The ALMA Spectroscopic Survey in the HUDF: Multi-band constraints on line luminosity functions and the cosmic density of molecular gas

Roberto Decarli, Manuel Aravena, Leindert Boogaard +20

We present a CO and atomic fine-structure line luminosity function analysis using the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS). ASPECS consists of two spat…

The ALMA Spectroscopic Survey in the HUDF: the molecular gas content of galaxies and tensions with IllustrisTNG and the Santa Cruz SAM

GergÃ¶ Popping, Annalisa Pillepich, Rachel S. Somerville +27

The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS) provides new constraints for galaxy formation models on the molecular gas properties of galaxies. We compare r…

astro-ph.GA2021

COLDz: Probing Cosmic Star Formation With Radio Free-free Emission

Hiddo S. B. Algera, Jacqueline A. Hodge, Dominik A. Riechers +17

Radio free-free emission is considered to be one of the most reliable tracers of star formation in galaxies. However, as it constitutes the faintest part of the radio spectrum -- b…

The ALMA Spectroscopic Survey Large Program: The Infrared Excess of z=1.5-10 UV-selected Galaxies and the Implied High-Redshift Star Formation History

Rychard Bouwens, Jorge Gonzalez-Lopez, Manuel Aravena +22

We make use of sensitive (9.3 microJy/beam RMS) 1.2mm-continuum observations from the ASPECS ALMA large program of the Hubble Ultra Deep Field (HUDF) to probe dust-enshrouded star…

Star Formation and ISM Properties in Host Galaxies of Three Far-infrared Luminous Quasars at $z \sim 6$

Yali Shao, Ran Wang, Chris L. Carilli +11

We present Karl G. Jansky Very Large Array (VLA) observations of the CO (2 $-$ 1) line emission towards three far-infrared luminous quasars at $z \sim 6$ : SDSS J231038.88 $+$ 185519.7 an…

The Evolution of the Baryons Associated with Galaxies Averaged over Cosmic Time and Space

Fabian Walter, Chris Carilli, Marcel Neeleman +30

We combine the recent determination of the evolution of the cosmic density of molecular gas (H_2) using deep, volumetric surveys, with previous estimates of the cosmic density of s…

SCUBA2 High Redshift Bright Quasar Survey: Far-infrared Properties and Weak-line Features

Qiong Li, Ran Wang, Xiaohui Fan +13

We present a submillimetre continuum survey ('SCUBA2 High rEdshift bRight quasaR surveY', hereafter SHERRY) of 54 high redshift quasars at $5.6 < z < 6.9$ with quasar bolometric lumino…

CO(1-0) in z>2 Quasar Host Galaxies: No Evidence for Extended Molecular Gas Reservoirs

Dominik A. Riechers, Christopher L. Carilli, Ronald J. Maddalena +8

We report the detection of CO(1-0) emission in the strongly lensed high-redshift quasars IRAS F10214+4724 (z=2.286), the Cloverleaf (z=2.558), RX J0911+0551 (z=2.796), SMM J04135+1…

astro-ph.GA2015

Imaging the cold molecular gas in SDSS J1148 + 5251 at z = 6.4

Irina I. Stefan, Chris L. Carilli, Jeff Wagg +7

We present Karl G. Jansky Very Large Array (VLA) observations of the CO ( $J = 2 \to 1$ ) line emission towards the $z = 6.419$ quasar SDSS J $114816.64 + 525150.3$ (J$1148+5251…

The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: The nature of the faintest dusty star-forming galaxies

Manuel Aravena, Leindert Boogaard, Jorge GÃ³nzalez-LÃ³pez +20

We present a characterization of the physical properties of a sample of 35 securely-detected, dusty galaxies in the deep ALMA 1.2-mm image obtained as part of the ALMA Spectroscopi…

astro-ph.GA2018

ALMA [CI] $^{3} P_{1} -^{3} P_{0}$ observations of NGC6240: a puzzling molecular outflow, and the role of outflows in the global $I^\pm_{CO}$ factor of (U)LIRGs

Claudia Cicone, Paola Severgnini, Padelis P. Papadopoulos +9

We present ALMA and ACA [CI] $^{3} P_{1} -^{3} P_{0}$ ([CI](1-0)) observations of NGC6240, which we combine with ALMA CO(2-1) and IRAM PdBI CO(1-0) data to study the physical propertie…

astro-ph.IM2020

SKA LFAA Station Design Report

Eloy de Lera Acedo, Hardie Pienaar, Nima Razavi Ghods +16

This report was submitted as part of the SKA Low Frequency Aperture Array Critical Design Review describing the design of the SKA1-LOW station that took place between 2013 and 2018…

Neutral carbon and highly excited CO in a massive star-forming main sequence galaxy at z=2.2

Drew Brisbin, Manuel Aravena, Emanuele Daddi +5

We used the Plateau De Bure Interferometer to observe multiple CO and neutral carbon transitions in a z=2.2 main sequence disk galaxy, BX610. Our observation of CO(7-6), CO(4-3), a…

A Total Molecular Gas Mass Census in z~2-3 Star-forming Galaxies: Low-J CO Excitation Probes of Galaxies' Evolutionary States

Chelsea E. Sharon, Dominik A. Riechers, Jacqueline Hodge +5

We present CO(1-0) observations obtained at the Karl G. Jansky Very Large Array (VLA) for 14 z~2 galaxies with existing CO(3-2) measurements, including 11 galaxies which contain ac…

The ALMA Spectroscopic Survey in the HUDF: CO luminosity functions and the molecular gas content of galaxies through cosmic history

Roberto Decarli, Fabian Walter, Jorge GÃ³nzalez-LÃ³pez +34

We use the results from the ALMA large program ASPECS, the spectroscopic survey in the Hubble Ultra Deep Field (HUDF), to constrain CO luminosity functions of galaxies and the resu…

astro-ph.IM2026

Advancing Astrophysics with the SKA II

Anna Bonaldi, Tyler L. Bourke, Philippa Hartley +45

Advancing Astrophysics with the SKA II (AASKAII), written by our science community, outlines the transformative scientific advances that will be enabled by the SKA telescopes. In t…

Resolving the interstellar medium in the nuclear region of two z=5.78 quasar host galaxies with ALMA

Ran Wang, Yali Shao, Chris L. Carilli +14

We present ALMA observations of the [CII] 158 $I^¼$ m fine structure line and dust continuum emission from two quasars, SDSS J104433.04-012502.2 and SDSS J012958.51-003539.7, at z=5.…

Investigating overdensities around z>6 galaxies through ALMA observations of [CII]

Tim B. Miller, Scott C. Chapman, Christopher C. Hayward +4

We present a search for companion [CII] emitters to known luminous sources at $6 <$ z $< 6.5$ in deep, archival ALMA observations. The observations are deep enough to detect sources…