---
res:
  bibo_abstract:
  - "Context. One of the surprising early findings with JWST has been the discovery
    of a strong “roll-over” or a softening of the absorption edge of Lyα in a large
    number of galaxies at z ≳ 6, in addition to systematic offsets from photometric
    redshift estimates and fundamental galaxy scaling relations. This has been interpreted
    as strong cumulative damped Lyα absorption (DLA) wings from high column densities
    of neutral atomic hydrogen (H I), signifying major gas accretion events in the
    formation of these galaxies.\r\nAims. To explore this new phenomenon systematically,
    we assembled the JWST/NIRSpec PRImordial gas Mass AssembLy (PRIMAL) legacy survey
    of 584 galaxies at z = 5.0 − 13.4, designed to study the physical properties and
    gas in and around galaxies during the reionization epoch.\r\nMethods. We characterized
    this benchmark sample in full and spectroscopically derived the galaxy redshifts,
    metallicities, star formation rates, and ultraviolet (UV) slopes. We defined a
    new diagnostic, the Lyα damping parameter DLyα, to measure and quantify the net
    effect of Lyα emission strength, the H I fraction in the intergalactic medium,
    or the local H I column density for each source. The JWST-PRIMAL survey is based
    on the spectroscopic DAWN JWST Archive (DJA-Spec). We describe DJA-Spec in this
    paper, detailing the reduction methods, the post-processing steps, and basic analysis
    tools. All the software, reduced spectra, and spectroscopically derived quantities
    and catalogs are made publicly available in dedicated repositories.\r\nResults.
    We find that the fraction of galaxies showing strong integrated DLAs with NHI > 1021 cm−2
    only increases slightly from ≈60% at z ≈ 6 up to ≈65 − 90% at z > 8. Similarly,
    the prevalence and prominence of Lyα emission is found to increase with decreasing
    redshift, in qualitative agreement with previous observational results. Strong
    Lyα emitters (LAEs) are predominantly found to be associated with low-metallicity
    and UV faint galaxies. By contrast, strong DLAs are observed in galaxies with
    a variety of intrinsic physical properties, but predominantly at high redshifts
    and low metallicities.\r\nConclusions. Our results indicate that strong DLAs likely
    reflect a particular early assembly phase of reionization-era galaxies, at which
    point they are largely dominated by pristine H I gas accretion. At z = 8 − 10,
    this gas gradually cools and forms into stars that ionize their local surroundings,
    forming large ionized bubbles and producing strong observed Lyα emission at z < 8.@eng"
  bibo_authorlist:
  - foaf_Person:
      foaf_givenName: K. E.
      foaf_name: Heintz, K. E.
      foaf_surname: Heintz
  - foaf_Person:
      foaf_givenName: G. B.
      foaf_name: Brammer, G. B.
      foaf_surname: Brammer
  - foaf_Person:
      foaf_givenName: D.
      foaf_name: Watson, D.
      foaf_surname: Watson
  - foaf_Person:
      foaf_givenName: P. A.
      foaf_name: Oesch, P. A.
      foaf_surname: Oesch
  - foaf_Person:
      foaf_givenName: L. C.
      foaf_name: Keating, L. C.
      foaf_surname: Keating
  - foaf_Person:
      foaf_givenName: M. J.
      foaf_name: Hayes, M. J.
      foaf_surname: Hayes
  - foaf_Person:
      foaf_givenName: Unknown
      foaf_name: Abdurro'Uf, Unknown
      foaf_surname: Abdurro'Uf
  - foaf_Person:
      foaf_givenName: K. Z.
      foaf_name: Arellano-Córdova, K. Z.
      foaf_surname: Arellano-Córdova
  - foaf_Person:
      foaf_givenName: A. C.
      foaf_name: Carnall, A. C.
      foaf_surname: Carnall
  - foaf_Person:
      foaf_givenName: C. R.
      foaf_name: Christiansen, C. R.
      foaf_surname: Christiansen
  - foaf_Person:
      foaf_givenName: F.
      foaf_name: Cullen, F.
      foaf_surname: Cullen
  - foaf_Person:
      foaf_givenName: R.
      foaf_name: Davé, R.
      foaf_surname: Davé
  - foaf_Person:
      foaf_givenName: P.
      foaf_name: Dayal, P.
      foaf_surname: Dayal
  - foaf_Person:
      foaf_givenName: A.
      foaf_name: Ferrara, A.
      foaf_surname: Ferrara
  - foaf_Person:
      foaf_givenName: K.
      foaf_name: Finlator, K.
      foaf_surname: Finlator
  - foaf_Person:
      foaf_givenName: J. P.U.
      foaf_name: Fynbo, J. P.U.
      foaf_surname: Fynbo
  - foaf_Person:
      foaf_givenName: S. R.
      foaf_name: Flury, S. R.
      foaf_surname: Flury
  - foaf_Person:
      foaf_givenName: V.
      foaf_name: Gelli, V.
      foaf_surname: Gelli
  - foaf_Person:
      foaf_givenName: S.
      foaf_name: Gillman, S.
      foaf_surname: Gillman
  - foaf_Person:
      foaf_givenName: R.
      foaf_name: Gottumukkala, R.
      foaf_surname: Gottumukkala
  - foaf_Person:
      foaf_givenName: K.
      foaf_name: Gould, K.
      foaf_surname: Gould
  - foaf_Person:
      foaf_givenName: T. R.
      foaf_name: Greve, T. R.
      foaf_surname: Greve
  - foaf_Person:
      foaf_givenName: S. E.
      foaf_name: Hardin, S. E.
      foaf_surname: Hardin
  - foaf_Person:
      foaf_givenName: T. Y.Y.
      foaf_name: Hsiao, T. Y.Y.
      foaf_surname: Hsiao
  - foaf_Person:
      foaf_givenName: A.
      foaf_name: Hutter, A.
      foaf_surname: Hutter
  - foaf_Person:
      foaf_givenName: P.
      foaf_name: Jakobsson, P.
      foaf_surname: Jakobsson
  - foaf_Person:
      foaf_givenName: M.
      foaf_name: Killi, M.
      foaf_surname: Killi
  - foaf_Person:
      foaf_givenName: N.
      foaf_name: Khosravaninezhad, N.
      foaf_surname: Khosravaninezhad
  - foaf_Person:
      foaf_givenName: P.
      foaf_name: Laursen, P.
      foaf_surname: Laursen
  - foaf_Person:
      foaf_givenName: M. M.
      foaf_name: Lee, M. M.
      foaf_surname: Lee
  - foaf_Person:
      foaf_givenName: G. E.
      foaf_name: Magdis, G. E.
      foaf_surname: Magdis
  - foaf_Person:
      foaf_givenName: Jorryt J
      foaf_name: Matthee, Jorryt J
      foaf_surname: Matthee
      foaf_workInfoHomepage: http://www.librecat.org/personId=7439a258-f3c0-11ec-9501-9df22fe06720
    orcid: 0000-0003-2871-127X
  - foaf_Person:
      foaf_givenName: R. P.
      foaf_name: Naidu, R. P.
      foaf_surname: Naidu
  - foaf_Person:
      foaf_givenName: D.
      foaf_name: Narayanan, D.
      foaf_surname: Narayanan
  - foaf_Person:
      foaf_givenName: C.
      foaf_name: Pollock, C.
      foaf_surname: Pollock
  - foaf_Person:
      foaf_givenName: M. K.M.
      foaf_name: Prescott, M. K.M.
      foaf_surname: Prescott
  - foaf_Person:
      foaf_givenName: V.
      foaf_name: Rusakov, V.
      foaf_surname: Rusakov
  - foaf_Person:
      foaf_givenName: M.
      foaf_name: Shuntov, M.
      foaf_surname: Shuntov
  - foaf_Person:
      foaf_givenName: A.
      foaf_name: Sneppen, A.
      foaf_surname: Sneppen
  - foaf_Person:
      foaf_givenName: R.
      foaf_name: Smit, R.
      foaf_surname: Smit
  - foaf_Person:
      foaf_givenName: N. R.
      foaf_name: Tanvir, N. R.
      foaf_surname: Tanvir
  - foaf_Person:
      foaf_givenName: C.
      foaf_name: Terp, C.
      foaf_surname: Terp
  - foaf_Person:
      foaf_givenName: S.
      foaf_name: Toft, S.
      foaf_surname: Toft
  - foaf_Person:
      foaf_givenName: F.
      foaf_name: Valentino, F.
      foaf_surname: Valentino
  - foaf_Person:
      foaf_givenName: A. P.
      foaf_name: Vijayan, A. P.
      foaf_surname: Vijayan
  - foaf_Person:
      foaf_givenName: J. R.
      foaf_name: Weaver, J. R.
      foaf_surname: Weaver
  - foaf_Person:
      foaf_givenName: J. H.
      foaf_name: Wise, J. H.
      foaf_surname: Wise
  - foaf_Person:
      foaf_givenName: J.
      foaf_name: Witstok, J.
      foaf_surname: Witstok
  bibo_doi: 10.1051/0004-6361/202450243
  bibo_volume: 693
  dct_date: 2025^xs_gYear
  dct_identifier:
  - UT:001390856800001
  dct_isPartOf:
  - http://id.crossref.org/issn/0004-6361
  - http://id.crossref.org/issn/1432-0746
  dct_language: eng
  dct_publisher: EDP Sciences@
  dct_title: 'The JWST-PRIMAL archival survey: A JWST/NIRSpec reference sample for
    the physical properties and Lyman-α absorption and emission of ∼600 galaxies at
    z = 5.0-13.4@'
...