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Unbiased surveys of dust-enshrouded galaxies using ALMA

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arxiv 2305.15126 v1 pith:IQQETRA7 submitted 2023-05-24 astro-ph.GA

classification astro-ph.GA
keywords sourcesalmaclustercontinuumdownfieldslensingsurvey
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abstract

The ALMA lensing cluster survey (ALCS) is a 96-hr large program dedicated to uncovering and characterizing intrinsically faint continuum sources and line emitters with the assistance of gravitational lensing. All 33 cluster fields were selected from HST/Spitzer treasury programs including CLASH, Hubble Frontier Fields, and RELICS, which also have Herschel and Chandra coverages. The total sky area surveyed reaches $\sim$133 arcmin$^2$ down to a depth of $\sim$60 $\mu$Jy beam$^{-1}$ (1$\sigma$) at 1.2 mm, yielding 141 secure blind detections of continuum sources and additional 39 sources aided by priors. We present scientific motivation, survey design, the status of spectroscopy follow-up observations, and number counts down to $\sim$7 $\mu$Jy. Synergies with JWST are also discussed.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 4 citations worldwide. Full citation record

  1. The evolution of galaxy dust scaling relations in the COLIBRE simulations

    astro-ph.GA 2026-07 conditional novelty 7.0 of 10

    The COLIBRE simulations reproduce the broad evolution of galaxy dust scaling relations from z=15 to 0, but overproduce the z<1 cosmic dust mass density and miss the most extreme sub-millimeter galaxies.

  2. A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): Spectroscopically Complete Census of Obscured Cosmic Star Formation Rate Density at $z=4-6$

    astro-ph.GA 2024-12 conditional novelty 7.0 of 10

    At z=4-6, the dust-obscured star formation rate density is log rho = -1.52, implying that about 66% of cosmic star formation was obscured by dust, based on eight spectroscopically confirmed dusty galaxies.

  3. ALMA Lensing Cluster Survey: Dust mass measurements as a function of redshift, stellar-mass and star formation rate, from z=1 to z=5

    astro-ph.GA 2024-11 conditional novelty 6.0 of 10

    Stacking ALMA 1.2 mm images of 4,103 lensed galaxies yields average dust masses that decline with redshift from z=1 to z=5 and scale with stellar mass and SFR.

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