Deep ALMA redshift search of a z~12 GLASS-JWST galaxy candidate

Auteurs : Tom J. L. C. Bakx, Jorge A. Zavala, Ikki Mitsuhashi, Tommaso Treu, Adriano Fontana, Ken-ichi Tadaki, Caitlin M. Casey, Marco Castellano, Karl Glazebrook, Masato Hagimoto, Ryota Ikeda, Tucker Jones, Nicha Leethochawalit, Charlotte Mason, Takahiro Morishita, Themiya Nanayakkara, Laura Pentericci, Guido Roberts-Borsani, Paola Santini, Stephen Serjeant, Yoichi Tamura, Michele Trenti, Eros Vanzella

arXiv: 2208.13642v1 - DOI (astro-ph.GA)
Soumis à arXiv le 29 Aoû. 2022
Résumé scientifique

The James Webb Space Telescope (JWST) has discovered a surprising abundance of bright galaxy candidates in the very early Universe (<500Myrs after the Big Bang), calling into question current galaxy formation models. Spectroscopy is needed to confirm the primeval nature of these candidates, as well as to understand how the first galaxies form stars and grow. Here we present deep spectroscopic and continuum ALMA observations towards GHZ2/GLASS-z13, one of the brightest and most robust candidates at z>10, identified in the GLASS-JWST Early Release Science Program. While the lack of dust continuum detection supports its high-redshift nature by ruling out lower redshift dusty interlopers, we do not detect any bright emission line at the position of the target despite covering a total of 30GHz and 98% of the source's redshift probability distribution (z=11.9-13.5). A tentative emission line is identified 0.5arcsec away from the JWST position of GHZ2/GLASS-z13, which would imply a spectroscopic redshift of z=12.117+/-0.012 if associated with the [OIII]88um line. Further confirmation is though necessary to confirm the signal is astrophysical and associated with the target. The current constraints on the oxygen line luminosity place it along (or below) the [OIII]-SFR relation for metal-poor galaxies. The low metallicity and dust content implied by these observations are also consistent with the blue UV slope observed by JWST, which suggest negligible dust attenuation in galaxies at this early epoch. This work illustrates the synergy between JWST and ALMA and paves the way for future spectroscopic surveys of z > 10 galaxy candidates.

Les articles autour de lui, par date et par proximité

Plus haut, c’est plus proche de cet article ; à gauche, c’est plus ancien. Les traits relient les articles proches entre eux : les groupes de traits sont des sous-thèmes. Sélectionnez un point pour voir pourquoi il est là. Retour au résumé de cet article

Les articles les plus proches Les travaux antérieurs sur lesquels il s’appuie Les articles qui le citent

Les articles autour de celui-ci

Classés selon la proximité de leur titre et de leur résumé avec ceux de cet article. Sélectionnez-en pour les lire ensemble.

Les articles les plus proches

  1. Très proche
    Spectroscopic verification of very luminous galaxy candidates in the early universe
    Pablo Arrabal Haro, Mark Dickinson, Steven L. Finkelstein et al. · 2023 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    During the first 500 million years of cosmic history, the first stars and galaxies formed and seeded the cosmos with heavy elements. These early galaxies illuminated the transition from the cosmic "dark ages" to the reionization of the intergalactic medium. This transitional period has been largely inaccessible to direct observation until the recent commissioning of JWST, which has extended our observational reach into that epoch. Excitingly, the first JWST science observations uncovered a surprisingly high abundance of early star-forming galaxies. However, the distances (redshifts) of these galaxies were, by necessity, estimated from multi-band photometry. Photometric redshifts, while gener…

  2. Très proche
    DUALZ -- Deep UNCOVER-ALMA Legacy High-$Z$ Survey
    Seiji Fujimoto, Rachel Bezanson, Ivo Labbe et al. · 2023 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    We present the survey design and initial results of the ALMA Cycle~9 program of DUALZ, which aims to establish a joint ALMA and JWST public legacy field targeting the massive galaxy cluster Abell 2744. DUALZ features a contiguous $4'\times6'$ ALMA 30-GHz-wide mosaic in Band 6, covering areas of $\mu>2$ down to a sensitivity of $\sigma=32.7$~$\mu$Jy. Through a blind search, we identified 69 dust continuum sources at S/N $\gtrsim5.0$ with median redshift and intrinsic 1.2-mm flux of $z=2.30$ and $S_{\rm 1.2mm}^{\rm int}=0.24$~mJy. Of these, 27 have been spectroscopically confirmed, leveraged by the latest NIRSpec observations, while photometric redshift estimates are constrained by the compreh…

  3. Très proche
    UNCOVER: Illuminating the Early Universe -- JWST/NIRSpec Confirmation of $z > 12$ Galaxies
    Bingjie Wang, Seiji Fujimoto, Ivo Labbe et al. · 2023 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    Observations of high-redshift galaxies provide a critical direct test to the theories of early galaxy formation, yet to date, only four have been spectroscopically confirmed at $z>12$. Due to strong gravitational lensing over a wide area, the galaxy cluster field Abell~2744 is ideal for searching for the earliest galaxies. Here we present JWST/NIRSpec observations of two galaxies: a robust detection at $z = 12.40$, and a plausible candidate at $z = 13.08$. The galaxies are discovered in JWST/NIRCam imaging and their distances are inferred with JWST/NIRSpec spectroscopy, all from the JWST Cycle 1 UNCOVER Treasury survey. Detailed stellar population modeling using JWST NIRCam and NIRSpec data …

  4. Très proche
    The ALPINE-CRISTAL-JWST Survey: JWST/IFU Optical Observations for 18 Main-Sequence Galaxies at z=4-6
    A. L. Faisst, S. Fujimoto, A. Tsujita et al. · 2025 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    To fully characterize the formation and evolution of galaxies, we need to observe their stars, gas, and dust on resolved spatial scales. We present the ALPINE-CRISTAL-JWST survey, which combines kpc-resolved imaging and spectroscopy from HST, JWST, and ALMA for 18 representative main-sequence galaxies at z=4-6 and log(M/$M_\odot$) > 9.5 to study their star formation, chemical properties, and extended gas reservoirs. The co-spatial measurements resolving the ionized gas, molecular gas, stars, and dust on 1-2 kpc scales make this a unique benchmark sample for the study of galaxy formation and evolution at z~5, connecting the Epoch of Reionization with the cosmic noon. In this paper, we outline…

  5. Très proche
    COSMOS-Web: Intrinsically Luminous z$\gtrsim$10 Galaxy Candidates Test Early Stellar Mass Assembly
    Caitlin M. Casey, Hollis B. Akins, Marko Shuntov et al. · 2023 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    We report the discovery of 15 exceptionally luminous $10\lesssim z\lesssim14$ candidate galaxies discovered in the first 0.28 deg$^2$ of JWST/NIRCam imaging from the COSMOS-Web Survey. These sources span rest-frame UV magnitudes of $-20.5>M_{\rm UV}>-22$, and thus constitute the most intrinsically luminous $z\gtrsim10$ candidates identified by JWST to-date. Selected via NIRCam imaging with Hubble ACS/F814W, deep ground-based observations corroborate their detection and help significantly constrain their photometric redshifts. We analyze their spectral energy distributions using multiple open-source codes and evaluate the probability of low-redshift solutions; we conclude that 12/15 (80%) are…

  6. Très proche
    EIGER II. first spectroscopic characterisation of the young stars and ionised gas associated with strong H$β$ and [OIII] line-emission in galaxies at z=5-7 with JWST
    Jorryt Matthee, Ruari Mackenzie, Robert A. Simcoe et al. · 2022 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    We present emission-line measurements and physical interpretations for a sample of 117 [OIII] emitting galaxies at $z=5.33-6.93$, using the first deep JWST/NIRCam wide field slitless spectroscopic observations. Our 9.7-hour integration is centered upon the $z=6.3$ quasar J0100+2802 -- the first of six fields targeted by the EIGER survey -- and covers $\lambda=3-4$ microns. We detect 133 [OIII] doublets, but merge pairs within $\approx$10 kpc and 600 km s$^{-1}$, motivated by their small scale clustering excess. We detect H$\beta$ in 68 and H$\gamma$ in two galaxies. The galaxies are characterised by a UV luminosity M$_{\rm UV}\sim-19.7$ ($-17.7$ to $-22.3$), mass ~$10^8$ $(10^{6.8-9.8})$ M$_…

  7. Très proche
    UNCOVER: A NIRSpec Census of Lensed Galaxies at z=8.50-13.08 Probing a High AGN Fraction and Ionized Bubbles in the Shadow
    Seiji Fujimoto, Bingjie Wang, John Weaver et al. · 2023 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    We present JWST NIRSpec prism spectroscopy of gravitationally lensed galaxies at $z\gtrsim9$ found behind the massive galaxy cluster Abell 2744 in the UNCOVER Cycle 1 Treasury Program. We confirm the source redshift via emission lines and/or the Ly$\alpha$ break feature for ten galaxies at z=8.50-13.08 down to $M_{\rm UV}=-17.3$. We achieve a high confirmation rate of 100\% for $z>9$ candidates reported in Atek et al. (2023). Using six sources with multiple emission line detections, we find that the offset of the redshift estimates between the lines and the Ly$\alpha$ break alone with prism can be as large as $\pm0.2$, raising caution in designing future follow-up spectroscopy for the break-…

  8. Très proche
    On the stunning abundance of super-early, massive galaxies revealed by JWST
    A. Ferrara, A. Pallottini, P. Dayal · 2022 · Astrophysique des galaxies · Résumé IA disponible
    Résumé scientifique

    The earliest JWST observations have revealed an unexpected abundance of super-early ($z>10$), massive ($M_*\approx 10^9\, M_\odot$) galaxies at the bright-end ($M_{\rm UV}\approx -21$) of the ultraviolet luminosity function (UV LF). We present a minimal physical model that explains the observed galaxy abundance at $z=10-14$. The model primarily combines (a) the halo mass function, with (b) an obscured star formation fraction prescription that is consistent with findings of the ALMA REBELS dusty galaxy survey. It has been successfully tested on well-known UV LFs up to $z=7$. The weak evolution from $z=7$ to $z\approx 14$ of the LF bright-end arises from a conspiracy between a decreasing dust …

Comment ces articles sont-ils trouvés ?

Nous comparons le titre et le résumé de cet article avec ceux de tous les articles résumés sur ce site, et avec les articles que Semantic Scholar recommande, ceux qu’il cite et ceux qui le citent (pour un article très cité, ses citations les plus récentes et, depuis OpenAlex, les plus citées). Parmi les travaux antérieurs et les suites, les articles qui s’utilisent en profondeur, une méthode qu’il utilise et les suites très citées remontent un peu. Les niveaux (très proche, proche, apparenté) viennent de la similarité des textes, pas d’un jugement de qualité ; * signale un article sans résumé, comparé par son titre. La phrase sous un article est écrite par une IA à partir des deux résumés : vérifiez-la dans les articles. Un article jugé hors sujet par trois lecteurs quitte la liste.

Pour l’instant seulement parmi les articles résumés sur ce site : relancez la recherche pour ajouter les travaux antérieurs, les suites et les recommandations de Semantic Scholar.