Journal article
The JWST FRESCO survey: legacy NIRCam/grism spectroscopy and imaging in the two GOODS fields
PA Oesch, G Brammer, RP Naidu, RJ Bouwens, J Chisholm, GD Illingworth, J Matthee, E Nelson, Y Qin, N Reddy, A Shapley, I Shivaei, P Van Dokkum, A Weibel, K Whitaker, S Wuyts, A Covelo-Paz, R Endsley, Y Fudamoto, E Giovinazzo Show all
Monthly Notices of the Royal Astronomical Society | OXFORD UNIV PRESS | Published : 2023
Abstract
We present the JWST cycle 1 53.8 h medium program FRESCO, short for 'First Reionization Epoch Spectroscopically Complete Observations'. FRESCO covers 62 arcmin2 in each of the two GOODS/CANDELS fields for a total area of 124 arcmin2 exploiting JWST's powerful new grism spectroscopic capabilities at near-infrared wavelengths. By obtaining ∼2 h deep NIRCam/grism observations with the F444W filter, FRESCO yields unprecedented spectra at R ∼1600 covering 3.8-5.0 μm for most galaxies in the NIRCam field of view. This setup enables emission line measurements over most of cosmic history, from strong PAH lines at z ∼0.2-0.5, to Pa α and Pa β at z ∼1-3, He i and [S iii] at z ∼2.5-4.5, H α and [N ii] ..
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Grants
Awarded by European Research Council
Funding Acknowledgements
Support for this work was provided by NASA through grant JWST-GO-01895 awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555. This work has received funding from the Swiss State Secretariat for Education, Research and Innovation (SERI) under contract number MB22.00072, as well as from the Swiss National Science Foundation (SNSF) through project grant 200020 207349. The Cosmic Dawn Center (DAWN) is funded by the Danish National Research Foundation under grant no. 140. YF acknowledges support from NAOJ ALMA Scientific Research Grant number 2020-16B. RPN acknowledges funding from JWST programs GO-1933 and GO-2279. Support for this work was provided by NASA through the NASA Hubble Fellowship grant HST-HF2-51515.001-A awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555. MS acknowledges support from the CIDEGENT/2021/059 grant, from project PID2019-109592GBI00/AEI/10.13039/501100011033 from the Spanish Ministerio de Ciencia e Innovacion - Agencia Estatal de Investigacion. This study forms part of the Astrophysics and High Energy Physics programme and was supported by MCIN with funding from European Union NextGenerationEU (PRTR-C17.I1) and by Generalitat Valenciana under the project no. ASFAE/2022/025. RAM acknowledges support from the ERC Advanced Grant 740246 (Cosmic Gas). CM and GPL acknowledge support by the VILLUM FONDEN under grant 37459. YQ and JSBW acknowledge support from the Australian Research Council Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D), through project number CE170100013. Cloud-based data processing and file storage for this work is provided by the AWS Cloud Credits for Research program. This paper made use of several publicly available software packages. We thank the respective authors for sharing their work: IPYTHON (P ' erez & Granger 2007), MATPLOTLIB (Hunter 2007), NUMPY (Harris et al. 2020), SCIPY (Virtanen et al. 2020), JUPYTER (Kluyver et al. 2016), ASTROPY (Astropy Collaboration 2013, 2018), GRIZLI (Brammer 2018; Brammer et al. 2022), EAZY (Brammer, van Dokkum & Coppi 2008), and SEXTRACTOR (Bertin & Arnouts 1996).