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Peer-reviewedCC BY 4.0Monthly Notices of the Royal Astronomical Society

JADES Data Release 4 – Paper II. Data reduction, analysis, and emission-line fluxes of the complete spectroscopic sample

  • Jan Scholtz1,2
  • Stefano Carniani3
  • Eleonora Parlanti3
  • Francesco D’Eugenio1,2
  • Emma Curtis-Lake4
  • P. Jakobsen5,6
  • Andrew J. Bunker7
  • A J Cameron7
  • Santiago Arribas8
  • W M Baker9
  • S. Charlot10
  • J Chevellard7
29 more authors
  • Chiara Circosta11
  • Mirko Curti12
  • Qiao Duan1,2
  • Daniel J. Eisenstein13
  • Kevin Hainline14
  • Z Ji14
  • Benjamin D. Johnson13
  • Gareth C. Jones1,2
  • N. Kumari15
  • R. Maiolino1,16,2
  • Michael V Maseda17
  • Michele Perna8
  • Pablo G. Pérez‐González8
  • Tim Rawle18
  • Marcia J. Rieke14
  • P Rinaldi19
  • Brant E. Robertson20
  • Aayush Saxena16,7
  • Irene Shivaei8
  • Maddie S. Silcock4
  • Y Sun14
  • Bruno Rodríguez Del Pino8
  • Sandro Tacchella1,2
  • Hannah Übler21
  • Giacomo Venturi3
  • Christina C. Williams22
  • Christopher N. A. Willmer14
  • C Willott23
  • Joris Witstok5,6
23 affiliations
  1. 1Cavendish Laboratory, University of Cambridge , 19 JJ Thomson Avenue, Cambridge CB3 0HE ,
  2. 2Kavli Institute for Cosmology, University of Cambridge , Madingley Road, Cambridge CB3 0HA ,
  3. 3Scuola Normale Superiore , Piazza dei Cavalieri 7, I-56126 Pisa ,
  4. 4Centre for Astrophysics Research, Department of Physics, Astronomy and Mathematics, University of Hertfordshire , Hatfield AL10 9AB ,
  5. 5Cosmic Dawn Center (DAWN) , Rådmandsgade 64, 2200 København, Copenhagen ,
  6. 6Niels Bohr Institute, University of Copenhagen , Jagtvej 128, DK-2200 Copenhagen ,
  7. 7University of Oxford, Department of Physics, Denys Wilkinson Building , Keble Road, Oxford OX1 3RH ,
  8. 8Centro de Astrobiología (CAB) , CSIC-INTA, Cra. de Ajalvir Km. 4, E-28850 Torrejón de Ardoz, Madrid ,
  9. 9DARK, Niels Bohr Institute, University of Copenhagen , Jagtvej 155A, DK-2200 Copenhagen ,
  10. 10Sorbonne Université, CNRS , UMR 7095, Institut d’Astrophysique de Paris, 98 bis bd Arago, F-75014 Paris ,
  11. 11Institut de Radioastronomie Millimétrique (IRAM) , 300 Rue de la Piscine, F-38400 Saint-Martin-d’Hères ,
  12. 12European Southern Observatory , Karl-Schwarzschild-Strasse 2, D-85748 Garching ,
  13. 13Center for Astrophysics | Harvard & Smithsonian , 60 Garden St., Cambridge, MA 02138 ,
  14. 14Steward Observatory, University of Arizona , 933 N. Cherry Avenue, Tucson, AZ 85721 ,
  15. 15AURA for European Space Agency, Space Telescope Science Institute , 3700 San Martin Drive. Baltimore, MD 21210 ,
  16. 16Department of Physics and Astronomy, University College London , Gower Street, London WC1E 6BT ,
  17. 17Department of Astronomy, University of Wisconsin-Madison , 475 N. Charter St., Madison, WI 53706 ,
  18. 18European Space Agency (ESA), European Space Astronomy Centre (ESAC), Camino Bajo del Castillo s/n , E-28692 Villafranca del Castillo, Madrid ,
  19. 19Space Telescope Science Institute , 3700 San Martin Drive, Baltimore, MD 21218 ,
  20. 20Department of Astronomy and Astrophysics, University of California , Santa Cruz, 1156 High Street, Santa Cruz, CA 95064 ,
  21. 21Max-Planck-Institut für extraterrestrische Physik (MPE) , Gießenbachstraße 1, D-85748 Garching ,
  22. 22NSF National Optical-Infrared Astronomy Research Laboratory , 950 North Cherry Avenue, Tucson, AZ 85719 ,
  23. 23NRC Herzberg , 5071 West Saanich Rd, Victoria, BC V9E 2E7 ,
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Abstract

We present the fourth data release of the JWST Advanced Deep Extragalactic Survey (JADES), providing deep spectroscopic observations in the two GOODS fields. A companion paper presents the target selection, spectroscopic redshifts and success rates, and in this paper, we discuss the data reduction and present emission-line flux measurements. The spectroscopy in this work consists of medium-depth, deep, and ultradeep NIRSpec/MSA spectra of 5190 targets, covering the spectral range 0.6−5.5 μm and observed with both the low-dispersion prism (R=30−300) and all three medium-resolution gratings (R=500−1500). We describe the data reduction, analysis and description of the data products included in this data release. In total, we measured 3297 robust redshifts out of 5190 targets, spanning a redshift range from z=0.5 up to z=14.2, including 974 at zgt 4. This data release includes 1D and 2D fully reduced spectra with 3- and 5-pixel extractions, with slit-loss corrections and background subtraction optimized for point sources. Furthermore, we provide redshifts and SNR > 5 emission-line flux catalogues for the prism and grating spectra, as well as new guidelines to use these data products. Lastly, we are launching a new JADES online data base, designed to enable quick selection and browsing of this data release. Altogether, these data provide the largest statistical sample to date including both PRISM and medium grating spectra across full NIRSpec wavelength range to characterize the properties of galaxy populations across cosmic time.

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Cite

BibTeXRIS
BibTeX
@article{scholtz2026jades,
  title = {{JADES Data Release 4 – Paper II. Data reduction, analysis, and emission-line fluxes of the complete spectroscopic sample}},
  author = {Jan Scholtz and Stefano Carniani and Eleonora Parlanti and Francesco D’Eugenio and Emma Curtis-Lake and P. Jakobsen and Andrew J. Bunker and A J Cameron and Santiago Arribas and W M Baker and S. Charlot and J Chevellard and Chiara Circosta and Mirko Curti and Qiao Duan and Daniel J. Eisenstein and Kevin Hainline and Z Ji and Benjamin D. Johnson and Gareth C. Jones and N. Kumari and R. Maiolino and Michael V Maseda and Michele Perna and Pablo G. Pérez‐González and Tim Rawle and Marcia J. Rieke and P Rinaldi and Brant E. Robertson and Aayush Saxena and Irene Shivaei and Maddie S. Silcock and Y Sun and Bruno Rodríguez Del Pino and Sandro Tacchella and Hannah Übler and Giacomo Venturi and Christina C. Williams and Christopher N. A. Willmer and C Willott and Joris Witstok},
  journal = {Monthly Notices of the Royal Astronomical Society},
  year = {2026},
  month = may,
  doi = {10.1093/mnras/stag939},
  url = {https://doi.org/10.1093/mnras/stag939},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - JADES Data Release 4 – Paper II. Data reduction, analysis, and emission-line fluxes of the complete spectroscopic sample
AU  - Jan Scholtz
AU  - Stefano Carniani
AU  - Eleonora Parlanti
AU  - Francesco D’Eugenio
AU  - Emma Curtis-Lake
AU  - P. Jakobsen
AU  - Andrew J. Bunker
AU  - A J Cameron
AU  - Santiago Arribas
AU  - W M Baker
AU  - S. Charlot
AU  - J Chevellard
AU  - Chiara Circosta
AU  - Mirko Curti
AU  - Qiao Duan
AU  - Daniel J. Eisenstein
AU  - Kevin Hainline
AU  - Z Ji
AU  - Benjamin D. Johnson
AU  - Gareth C. Jones
AU  - N. Kumari
AU  - R. Maiolino
AU  - Michael V Maseda
AU  - Michele Perna
AU  - Pablo G. Pérez‐González
AU  - Tim Rawle
AU  - Marcia J. Rieke
AU  - P Rinaldi
AU  - Brant E. Robertson
AU  - Aayush Saxena
AU  - Irene Shivaei
AU  - Maddie S. Silcock
AU  - Y Sun
AU  - Bruno Rodríguez Del Pino
AU  - Sandro Tacchella
AU  - Hannah Übler
AU  - Giacomo Venturi
AU  - Christina C. Williams
AU  - Christopher N. A. Willmer
AU  - C Willott
AU  - Joris Witstok
PY  - 2026
DA  - 2026/05/16
JO  - Monthly Notices of the Royal Astronomical Society
DO  - 10.1093/mnras/stag939
UR  - https://doi.org/10.1093/mnras/stag939
AB  - We present the fourth data release of the JWST Advanced Deep Extragalactic Survey (JADES), providing deep spectroscopic observations in the two GOODS fields. A companion paper presents the target selection, spectroscopic redshifts and success rates, and in this paper, we discuss the data reduction and present emission-line flux measurements. The spectroscopy in this work consists of medium-depth, deep, and ultradeep NIRSpec/MSA spectra of 5190 targets, covering the spectral range 0.6−5.5 μm and observed with both the low-dispersion prism (R=30−300) and all three medium-resolution gratings (R=500−1500). We describe the data reduction, analysis and description of the data products included in this data release. In total, we measured 3297 robust redshifts out of 5190 targets, spanning a redshift range from z=0.5 up to z=14.2, including 974 at zgt 4. This data release includes 1D and 2D fully reduced spectra with 3- and 5-pixel extractions, with slit-loss corrections and background subtraction optimized for point sources. Furthermore, we provide redshifts and SNR > 5 emission-line flux catalogues for the prism and grating spectra, as well as new guidelines to use these data products. Lastly, we are launching a new JADES online data base, designed to enable quick selection and browsing of this data release. Altogether, these data provide the largest statistical sample to date including both PRISM and medium grating spectra across full NIRSpec wavelength range to characterize the properties of galaxy populations across cosmic time.
SN  - 0035-8711
SN  - 1365-2966
SN  - 1365-8711
ER  -