Simon Weng
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View article: FEASTS Combined with Interferometry. IV. Mapping H <scp>i</scp> Emission to a Limit of <i>N</i> <sub>H <scp>i</scp> </sub> = 10<sup>17.7</sup> cm<sup>−2</sup> in Seven Edge-on Galaxies
FEASTS Combined with Interferometry. IV. Mapping H <span>i</span> Emission to a Limit of <i>N</i> <sub>H <span>i</span> </sub> = 10<sup>17.7</sup> cm<sup>−2</sup> in Seven Edge-on Galaxies Open
We present a statistical study of the neutral atomic hydrogen (H i ) gas extending into the circumgalactic medium perpendicular to the disk for seven edge-on galaxies with inclinations above 85° from the FEASTS program with a 3 σ (20 km s …
View article: ALMACAL – XIV. X-Shooter spectroscopy, infrared properties, and radio SEDs of calibrators
ALMACAL – XIV. X-Shooter spectroscopy, infrared properties, and radio SEDs of calibrators Open
The ALMACAL–22 survey includes over 2700 h of observations of ALMA phase and amplitude calibrators, spanning frequencies from 84 to 950 GHz across bands 3 to 10. In total, 687 out of the 1047 calibrators have redshifts confirmed with spect…
View article: ALMACAL XIV: X-Shooter Spectroscopy, Infrared Properties and Radio SEDs of Calibrators
ALMACAL XIV: X-Shooter Spectroscopy, Infrared Properties and Radio SEDs of Calibrators Open
The ALMACAL-22 survey includes over 2700 hours of observations of ALMA phase and amplitude calibrators, spanning frequencies from 84 to 950 GHz across bands 3 to 10. In total, 687 out of the 1,047 calibrators have redshifts confirmed with …
View article: FEASTS Combined with Interferometry (IV): Mapping HI Emission to a limit of $N_{\text{HI}}=10^{17.7} \text{cm}^{-2}$ in Seven Edge-on Galaxies
FEASTS Combined with Interferometry (IV): Mapping HI Emission to a limit of $N_{\text{HI}}=10^{17.7} \text{cm}^{-2}$ in Seven Edge-on Galaxies Open
We present a statistical study of the neutral atomic hydrogen (HI) gas extending into the circumgalactic medium perpendicular to the disk for 7 edge-on galaxies with inclinations above $85^{\circ}$ from the FEASTS program with a $3σ$ ($20\…
View article: ALMACAL
ALMACAL Open
Cold molecular gas, largely traced by CO emission, is the primary fuel for star formation, making it essential for understanding galaxy evolution. ALMA has made significant progress in the study of the cosmic evolution of cold molecular ga…
View article: ALMACAL XIII. Evolution of the CO luminosity function and the molecular gas mass density out to $z$ ~ 6
ALMACAL XIII. Evolution of the CO luminosity function and the molecular gas mass density out to $z$ ~ 6 Open
Cold molecular gas, largely traced by CO emission, is the primary fuel for star formation, making it essential for understanding galaxy evolution. ALMA has made significant progress in the study of the cosmic evolution of cold molecular ga…
View article: FEASTS: Radial Distribution of H i Surface Densities Down to 0.01 M<sub>⊙</sub> pc<sup>−2</sup> of 35 Nearby Galaxies
FEASTS: Radial Distribution of H i Surface Densities Down to 0.01 M<sub>⊙</sub> pc<sup>−2</sup> of 35 Nearby Galaxies Open
We present the H i surface density (Σ H i ) radial distributions based on total-power H i images obtained by FAST in the FEASTS program, for 35 galaxies with inclinations lower than 72°. We derive the H i radius R 001 , which is the radius…
View article: FEASTS: Radial Distribution of HI surface densities down to 0.01 M$_{\odot}$ pc$^{-2}$ of 35 Nearby Galaxies
FEASTS: Radial Distribution of HI surface densities down to 0.01 M$_{\odot}$ pc$^{-2}$ of 35 Nearby Galaxies Open
We present the HI surface density ($Σ_{\rm HI}$) radial distributions based on total-power HI images obtained by FAST in the FEASTS program, for 35 galaxies with inclinations lower than 72 degree. We derive the HI radius $R_{001}$, which i…
View article: The first large absorption survey in H <scp>i</scp> (FLASH): II. Pilot survey data release and first results
The first large absorption survey in H <span>i</span> (FLASH): II. Pilot survey data release and first results Open
The First Large Absorption Survey in H i (FLASH) is a large-area radio survey for neutral hydrogen in and around galaxies in the intermediate redshift range $0.4\lt z\lt1.0$ , using the 21-cm H i absorption line as a probe of cold neutral …
View article: ALMACAL
ALMACAL Open
The ALMACAL survey is based on a database of reprocessed ALMA calibration scans suitable for scientific analysis, observed as part of regular PI observations. We present all the data accumulated from the start of ALMA operations until May …
View article: The First Large Absorption Survey in HI (FLASH): II. Pilot Survey data release and first results
The First Large Absorption Survey in HI (FLASH): II. Pilot Survey data release and first results Open
The First Large Absorption Survey in HI (FLASH) is a large-area radio survey for neutral hydrogen in the redshift range 0.41$, and appear to be a mixture of intervening and associated systems. Interestingly, around two-thirds of the lines …
View article: Searching for cold gas traced by MgII quasar absorbers in massive X-ray-selected galaxy clusters
Searching for cold gas traced by MgII quasar absorbers in massive X-ray-selected galaxy clusters Open
Context. Almost 50% of galaxies in the local Universe are in clusters or groups coexisting with both hot and cold gas components. In the present study, we observationally probed the cold-gas content of X-ray-selected massive galaxy cluster…
View article: MUSE-ALMA Haloes X: the stellar masses of gas-rich absorbing galaxies
MUSE-ALMA Haloes X: the stellar masses of gas-rich absorbing galaxies Open
The physical processes by which gas is accreted onto galaxies, transformed into stars, and then expelled from galaxies are of paramount importance to galaxy evolution studies. Observationally constraining each of these baryonic components …
View article: MUSE-ALMA Haloes X: The stellar masses of gas-rich absorbing galaxies
MUSE-ALMA Haloes X: The stellar masses of gas-rich absorbing galaxies Open
The physical processes by which gas is accreted onto galaxies, transformed into stars and then expelled from galaxies are of paramount importance to galaxy evolution studies. Observationally constraining each of these baryonic components i…
View article: The FLASH pilot survey: an H <scp>i</scp> absorption search against MRC 1-Jy radio sources
The FLASH pilot survey: an H <span>i</span> absorption search against MRC 1-Jy radio sources Open
We report an ASKAP search for associated H i 21-cm absorption against bright radio sources from the Molonglo Reference Catalogue (MRC) 1-Jy sample. The search uses pilot survey data from the ASKAP First Large Absorption Survey in H i (FLAS…
View article: The physical origins of gas in the circumgalactic medium using observationally motivated TNG50 mocks
The physical origins of gas in the circumgalactic medium using observationally motivated TNG50 mocks Open
Absorbers in the spectrum of background objects probe the circumgalactic medium (CGM) surrounding galaxies, but its physical properties remain unconstrained. We use the cosmological hydrodynamical simulation TNG50 to statistically trace th…
View article: The physical origins of gas in the circumgalactic medium using observationally-motivated TNG50 mocks
The physical origins of gas in the circumgalactic medium using observationally-motivated TNG50 mocks Open
Absorbers in the spectrum of background objects probe the circumgalactic medium (CGM) surrounding galaxies, but its physical properties remain unconstrained. We use the cosmological hydrodynamical simulation TNG50 to statistically trace th…
View article: The FLASH pilot survey: an HI absorption search against MRC 1-Jy radio sources
The FLASH pilot survey: an HI absorption search against MRC 1-Jy radio sources Open
We report an ASKAP search for associated HI 21-cm absorption against bright radio sources from the Molonglo Reference Catalogue (MRC) 1-Jy sample. The search uses pilot survey data from the ASKAP First Large Absorption Survey in \hi (FLASH…
View article: The BarYon CYCLE Project (ByCycle): Identifying and localizing MgII metal absorbers with Machine Learning
The BarYon CYCLE Project (ByCycle): Identifying and localizing MgII metal absorbers with Machine Learning Open
The upcoming ByCycle project on the VISTA/4MOST multi-object spectrograph will offer new prospects of using a massive sample of ∼1 million high spectral resolution (R = 20,000) background quasars to map the circumgalactic metal content of …
View article: MUSE–ALMA Haloes – IX. Morphologies and stellar properties of gas-rich galaxies
MUSE–ALMA Haloes – IX. Morphologies and stellar properties of gas-rich galaxies Open
Understanding how galaxies interact with the circumgalactic medium (CGM) requires determining how galaxies’ morphological and stellar properties correlate with their CGM properties. We report an analysis of 66 well-imaged galaxies detected…
View article: MUSE-ALMA Haloes IX: Morphologies and Stellar Properties of Gas-rich Galaxies
MUSE-ALMA Haloes IX: Morphologies and Stellar Properties of Gas-rich Galaxies Open
Understanding how galaxies interact with the circumgalactic medium (CGM) requires determining how galaxies morphological and stellar properties correlate with their CGM properties. We report an analysis of 66 well-imaged galaxies detected …
View article: The BarYon CYCLE Project (ByCycle): Identifying and Localizing MgII Metal Absorbers with Machine Learning
The BarYon CYCLE Project (ByCycle): Identifying and Localizing MgII Metal Absorbers with Machine Learning Open
The upcoming ByCycle project on the VISTA/4MOST multi-object spectrograph will offer new prospects of using a massive sample of $\sim 1$ million high spectral resolution ($R$ = 20,000) background quasars to map the circumgalactic metal con…
View article: MUSE-ALMA Halos XI: Gas flows in the circumgalactic medium
MUSE-ALMA Halos XI: Gas flows in the circumgalactic medium Open
The flow of gas into and out of galaxies leaves traces in the circumgalactic medium which can then be studied using absorption lines towards background quasars. We analyse 27 log(N_HI) > 18.0 HI absorbers at z = 0.2 to 1.4 from the MUSE-AL…
View article: MUSE-ALMA Haloes XI: gas flows in the circumgalactic medium
MUSE-ALMA Haloes XI: gas flows in the circumgalactic medium Open
The flow of gas into and out of galaxies leaves traces in the circumgalactic medium which can then be studied using absorption lines towards background quasars. We analyse 27 ${{\log [N({\textrm {H}}\, {\small {I}})/\rm {cm}^{-2}]}} > 1…
View article: Does a radio jet drive the massive multiphase outflow in the ultra-luminous infrared galaxy IRAS 10565 + 2448?
Does a radio jet drive the massive multiphase outflow in the ultra-luminous infrared galaxy IRAS 10565 + 2448? Open
We present new upgraded Giant Metrewave Radio Telescope H i 21-cm observations of the ultra-luminous infrared galaxy IRAS 10565 + 2448, previously reported to show blueshifted, broad, and shallow H i absorption indicating an outflow. Our h…
View article: Does a radio jet drive the massive multi-phase outflow in the ultra-luminous infrared galaxy IRAS 10565+2448?
Does a radio jet drive the massive multi-phase outflow in the ultra-luminous infrared galaxy IRAS 10565+2448? Open
We present new upgraded Giant Metrewave Radio Telescope (uGMRT) HI 21-cm observations of the ultra-luminous infrared galaxy IRAS 10565+2448, previously reported to show blueshifted, broad, and shallow HI absorption indicating an outflow. O…
View article: MUSE-ALMA Haloes VIII: Statistical Study of Circumgalactic Medium Gas
MUSE-ALMA Haloes VIII: Statistical Study of Circumgalactic Medium Gas Open
The distribution of gas and metals in the circumgalactic medium (CGM) plays a critical role in how galaxies evolve. The MUSE-ALMA Halos survey combines MUSE, ALMA and HST observations to constrain the properties of the multi-phase gas in t…
View article: MUSE-ALMA Haloes – VIII. Statistical study of circumgalactic medium gas
MUSE-ALMA Haloes – VIII. Statistical study of circumgalactic medium gas Open
The distribution of gas and metals in the circumgalactic medium (CGM) plays a critical role in how galaxies evolve. The MUSE-ALMA Haloes survey combines MUSE, ALMA, and HST observations to constrain the properties of the multiphase gas in …
View article: MUSE–ALMA haloes VII: survey science goals & design, data processing and final catalogues
MUSE–ALMA haloes VII: survey science goals & design, data processing and final catalogues Open
The gas cycling in the circumgalactic regions of galaxies is known to be multi-phase. The MUSE–ALMA Haloes survey gathers a large multi-wavelength observational sample of absorption and emission data with the goal to significantly advance …
View article: FLASH pilot survey: detections of associated 21 cm H <scp>i</scp> absorption in GAMA galaxies at 0.42 &lt; <i>z</i> &lt; 1.00
FLASH pilot survey: detections of associated 21 cm H <span>i</span> absorption in GAMA galaxies at 0.42 < <i>z</i> < 1.00 Open
We present the results of a search for associated 21 cm H i absorption at redshift 0.42 < z < 1.00 in radio-loud galaxies from three Galaxy And Mass Assembly (GAMA) survey fields. These observations were carried out as part of a pilo…