CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2
We use James Webb Space Telescope Near-Infrared Camera Wide Field Slitless Spectroscopy (NIRCam WFSS) and the Near-Infrared spectrograph (NIRSpec) in the Cosmic Evolution Early Release survey to measure rest-frame optical emission-line ratios of 155 galaxies at z > 2. The blind NIRCam grism obse...
| Published in: | The Astrophysical Journal |
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IOP Publishing
2024-01-01
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| Online Access: | https://doi.org/10.3847/1538-4357/ad1520 |
| _version_ | 1849996983268278272 |
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| author | Bren E. Backhaus Jonathan R. Trump Nor Pirzkal Guillermo Barro Steven L. Finkelstein Pablo Arrabal Haro Raymond C. Simons Jessica Wessner Nikko J. Cleri Micaela B. Bagley Michaela Hirschmann David C. Nicholls Mark Dickinson Jeyhan S. Kartaltepe Casey Papovich Dale D. Kocevski Anton M. Koekemoer Laura Bisigello Anne E. Jaskot Ray A. Lucas Intae Jung Stephen M. Wilkins L. Y. Aaron Yung Henry C. Ferguson Adriano Fontana Andrea Grazian Norman A. Grogin Lisa J. Kewley Allison Kirkpatrick Jennifer M. Lotz Laura Pentericci Pablo G. Pérez-González Swara Ravindranath Rachel S. Somerville Guang Yang Benne W. Holwerda Peter Kurczynski Nimish P. Hathi Caitlin Rose Kelcey Davis |
| author_facet | Bren E. Backhaus Jonathan R. Trump Nor Pirzkal Guillermo Barro Steven L. Finkelstein Pablo Arrabal Haro Raymond C. Simons Jessica Wessner Nikko J. Cleri Micaela B. Bagley Michaela Hirschmann David C. Nicholls Mark Dickinson Jeyhan S. Kartaltepe Casey Papovich Dale D. Kocevski Anton M. Koekemoer Laura Bisigello Anne E. Jaskot Ray A. Lucas Intae Jung Stephen M. Wilkins L. Y. Aaron Yung Henry C. Ferguson Adriano Fontana Andrea Grazian Norman A. Grogin Lisa J. Kewley Allison Kirkpatrick Jennifer M. Lotz Laura Pentericci Pablo G. Pérez-González Swara Ravindranath Rachel S. Somerville Guang Yang Benne W. Holwerda Peter Kurczynski Nimish P. Hathi Caitlin Rose Kelcey Davis |
| author_sort | Bren E. Backhaus |
| collection | DOAJ |
| container_title | The Astrophysical Journal |
| description | We use James Webb Space Telescope Near-Infrared Camera Wide Field Slitless Spectroscopy (NIRCam WFSS) and the Near-Infrared spectrograph (NIRSpec) in the Cosmic Evolution Early Release survey to measure rest-frame optical emission-line ratios of 155 galaxies at z > 2. The blind NIRCam grism observations include a sample of galaxies with bright emission lines that were not observed on the NIRSpec masks. We study the changes of the H α , [O III ]/H β , and [Ne III ]/[O II ] emission lines in terms of redshift by comparing to lower-redshift SDSS, CLEAR, and MOSDEF samples. We find a significant (>3 σ ) correlation between [O III ]/H β with redshift, while [Ne III ]/[O II ] has a marginal (2 σ ) correlation with redshift. We compare [O III ]/H β and [Ne III ]/[O II ] to stellar mass and H β SFR. We find that both emission-line ratios have a correlation with H β SFR and an anticorrelation with stellar mass across the redshifts 0 < z < 9. Comparison with MAPPINGS V models indicates that these trends are consistent with lower metallicity and higher ionization in low-mass and high-SFR galaxies. We additionally compare to IllustrisTNG predictions and find that they effectively describe the highest [O III ]/H β ratios observed in our sample, without the need to invoke MAPPINGS models with significant shock ionization components. |
| format | Article |
| id | doaj-art-e9f61abcfafa4e92872ba38af1d4f744 |
| institution | Directory of Open Access Journals |
| issn | 1538-4357 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| spelling | doaj-art-e9f61abcfafa4e92872ba38af1d4f7442025-08-20T00:50:27ZengIOP PublishingThe Astrophysical Journal1538-43572024-01-01962219510.3847/1538-4357/ad1520CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2Bren E. Backhaus0https://orcid.org/0000-0001-8534-7502Jonathan R. Trump1https://orcid.org/0000-0002-1410-0470Nor Pirzkal2https://orcid.org/0000-0003-3382-5941Guillermo Barro3https://orcid.org/0000-0001-6813-875XSteven L. Finkelstein4https://orcid.org/0000-0001-8519-1130Pablo Arrabal Haro5https://orcid.org/0000-0002-7959-8783Raymond C. Simons6https://orcid.org/0000-0002-6386-7299Jessica Wessner7https://orcid.org/0000-0002-4390-1816Nikko J. Cleri8https://orcid.org/0000-0001-7151-009XMicaela B. Bagley9https://orcid.org/0000-0002-9921-9218Michaela Hirschmann10https://orcid.org/0000-0002-3301-3321David C. Nicholls11https://orcid.org/0000-0003-0892-5203Mark Dickinson12https://orcid.org/0000-0001-5414-5131Jeyhan S. Kartaltepe13https://orcid.org/0000-0001-9187-3605Casey Papovich14https://orcid.org/0000-0001-7503-8482Dale D. Kocevski15https://orcid.org/0000-0002-8360-3880Anton M. Koekemoer16https://orcid.org/0000-0002-6610-2048Laura Bisigello17https://orcid.org/0000-0003-0492-4924Anne E. Jaskot18https://orcid.org/0000-0002-6790-5125Ray A. Lucas19https://orcid.org/0000-0003-1581-7825Intae Jung20https://orcid.org/0000-0003-1187-4240Stephen M. Wilkins21https://orcid.org/0000-0003-3903-6935L. Y. Aaron Yung22https://orcid.org/0000-0003-3466-035XHenry C. Ferguson23https://orcid.org/0000-0001-7113-2738Adriano Fontana24https://orcid.org/0000-0003-3820-2823Andrea Grazian25https://orcid.org/0000-0002-5688-0663Norman A. Grogin26https://orcid.org/0000-0001-9440-8872Lisa J. Kewley27https://orcid.org/0000-0001-8152-3943Allison Kirkpatrick28https://orcid.org/0000-0002-1306-1545Jennifer M. Lotz29https://orcid.org/0000-0003-3130-5643Laura Pentericci30https://orcid.org/0000-0001-8940-6768Pablo G. Pérez-González31https://orcid.org/0000-0003-4528-5639Swara Ravindranath32https://orcid.org/0000-0002-5269-6527Rachel S. Somerville33https://orcid.org/0000-0002-6748-6821Guang Yang34https://orcid.org/0000-0001-8835-7722Benne W. Holwerda35https://orcid.org/0000-0002-4884-6756Peter Kurczynski36https://orcid.org/0000-0002-8816-5146Nimish P. Hathi37https://orcid.org/0000-0001-6145-5090Caitlin Rose38https://orcid.org/0000-0002-8018-3219Kelcey Davis39https://orcid.org/0000-0001-8047-8351Department of Physics, 196A Auditorium Road, Unit 3046, University of Connecticut , Storrs, CT 06269, USADepartment of Physics, 196A Auditorium Road, Unit 3046, University of Connecticut , Storrs, CT 06269, USAESA/AURA Space Telescope Science Institute , 3700 San Martin Dr. Baltimore, MD 21218, USADepartment of Physics, University of the Pacific , Stockton, CA 90340 USADepartment of Astronomy, The University of Texas at Austin , Austin, TX, USANSF’s National Optical-Infrared Astronomy Research Laboratory , 950 N. Cherry Ave., Tucson, AZ 85719, USADepartment of Physics, 196A Auditorium Road, Unit 3046, University of Connecticut , Storrs, CT 06269, USADepartment of Physics, 196A Auditorium Road, Unit 3046, University of Connecticut , Storrs, CT 06269, USADepartment of Physics and Astronomy, Texas A&M University , College Station, TX 77843-4242 USA; George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University , College Station, TX 77843-4242 USADepartment of Astronomy, The University of Texas at Austin , Austin, TX, USAInstitute of Physics, Laboratory of Galaxy Evolution , Ecole Polytechnique Fédérale de Lausanne (EPFL), Observatoire de Sauverny, 1290 Versoix, SwitzerlandResearch School of Astronomy and Astrophysics, Australian National University , Canberra, ACT 2600, AustraliaNSF’s National Optical-Infrared Astronomy Research Laboratory , 950 N. Cherry Ave., Tucson, AZ 85719, USALaboratory for Multiwavelength Astrophysics, School of Physics and Astronomy, Rochester Institute of Technology , 84 Lomb Memorial Drive, Rochester, NY 14623, USADepartment of Physics and Astronomy, Texas A&M University , College Station, TX 77843-4242 USA; George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University , College Station, TX 77843-4242 USADepartment of Physics and Astronomy, Colby College , Waterville, ME 04901, USASpace Telescope Science Institute , 3700 San Martin Dr., Baltimore, MD 21218, USADipartimento di Fisica e Astronomia “G.Galilei,” Universitá di Padova , Via Marzolo 8, I-35131 Padova, Italy; INAF–Osservatorio Astronomico di Padova , Vicolo dell’Osservatorio 5, I-35122, Padova, ItalyDepartment of Astronomy, Williams College , Williamstown, MA 01267, USASpace Telescope Science Institute , 3700 San Martin Dr., Baltimore, MD 21218, USASpace Telescope Science Institute , 3700 San Martin Dr., Baltimore, MD 21218, USAAstronomy Centre, University of Sussex , Falmer, Brighton BN1 9QH, UK; Institute of Space Sciences and Astronomy, University of Malta , Msida MSD 2080, MaltaAstrophysics Science Division, NASA Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771, USASpace Telescope Science Institute , Baltimore, MD, USAINAF—Osservatorio Astronomico di Roma , via di Frascati 33, I-00078 Monte Porzio Catone, ItalyINAF–Osservatorio Astronomico di Padova , Vicolo dell’Osservatorio 5, I-35122, Padova, ItalySpace Telescope Science Institute , Baltimore, MD, USACenter for Astrophysics ∣ Harvard & Smithsonian , 60 Garden Street, Cambridge, MA 02138, USADepartment of Physics and Astronomy, University of Kansas , Lawrence, KS 66045, USAGemini Observatory/NSF’s National Optical-Infrared Astronomy Research Laboratory , 950 N. Cherry Ave., Tucson, AZ 85719, USAINAF—Osservatorio Astronomico di Roma , via di Frascati 33, I-00078 Monte Porzio Catone, ItalyCentro de Astrobiología (CAB) , CSIC-INTA, Ctra. de Ajalvir km 4, Torrejón de Ardoz, E-28850, Madrid, SpainSpace Telescope Science Institute , 3700 San Martin Dr., Baltimore, MD 21218, USACenter for Computational Astrophysics, Flatiron Institute , 162 5th Avenue, New York, NY 10010, USAKapteyn Astronomical Institute, University of Groningen , P.O. Box 800, 9700 AV Groningen, The NetherlandsPhysics & Astronomy Department, University of Louisville , KY 40292, Louisville, USAAstrophysics Science Division, NASA Goddard Space Flight Center , 8800 Greenbelt Rd, Greenbelt, MD 20771, USASpace Telescope Science Institute , Baltimore, MD, USALaboratory for Multiwavelength Astrophysics, School of Physics and Astronomy, Rochester Institute of Technology , 84 Lomb Memorial Drive, Rochester, NY 14623, USADepartment of Physics, 196A Auditorium Road, Unit 3046, University of Connecticut , Storrs, CT 06269, USAWe use James Webb Space Telescope Near-Infrared Camera Wide Field Slitless Spectroscopy (NIRCam WFSS) and the Near-Infrared spectrograph (NIRSpec) in the Cosmic Evolution Early Release survey to measure rest-frame optical emission-line ratios of 155 galaxies at z > 2. The blind NIRCam grism observations include a sample of galaxies with bright emission lines that were not observed on the NIRSpec masks. We study the changes of the H α , [O III ]/H β , and [Ne III ]/[O II ] emission lines in terms of redshift by comparing to lower-redshift SDSS, CLEAR, and MOSDEF samples. We find a significant (>3 σ ) correlation between [O III ]/H β with redshift, while [Ne III ]/[O II ] has a marginal (2 σ ) correlation with redshift. We compare [O III ]/H β and [Ne III ]/[O II ] to stellar mass and H β SFR. We find that both emission-line ratios have a correlation with H β SFR and an anticorrelation with stellar mass across the redshifts 0 < z < 9. Comparison with MAPPINGS V models indicates that these trends are consistent with lower metallicity and higher ionization in low-mass and high-SFR galaxies. We additionally compare to IllustrisTNG predictions and find that they effectively describe the highest [O III ]/H β ratios observed in our sample, without the need to invoke MAPPINGS models with significant shock ionization components.https://doi.org/10.3847/1538-4357/ad1520Emission line galaxiesGalaxy evolutionGalaxiesActive galaxies |
| spellingShingle | Bren E. Backhaus Jonathan R. Trump Nor Pirzkal Guillermo Barro Steven L. Finkelstein Pablo Arrabal Haro Raymond C. Simons Jessica Wessner Nikko J. Cleri Micaela B. Bagley Michaela Hirschmann David C. Nicholls Mark Dickinson Jeyhan S. Kartaltepe Casey Papovich Dale D. Kocevski Anton M. Koekemoer Laura Bisigello Anne E. Jaskot Ray A. Lucas Intae Jung Stephen M. Wilkins L. Y. Aaron Yung Henry C. Ferguson Adriano Fontana Andrea Grazian Norman A. Grogin Lisa J. Kewley Allison Kirkpatrick Jennifer M. Lotz Laura Pentericci Pablo G. Pérez-González Swara Ravindranath Rachel S. Somerville Guang Yang Benne W. Holwerda Peter Kurczynski Nimish P. Hathi Caitlin Rose Kelcey Davis CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2 Emission line galaxies Galaxy evolution Galaxies Active galaxies |
| title | CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2 |
| title_full | CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2 |
| title_fullStr | CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2 |
| title_full_unstemmed | CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2 |
| title_short | CEERS Key Paper. VIII. Emission-line Ratios from NIRSpec and NIRCam Wide-Field Slitless Spectroscopy at z > 2 |
| title_sort | ceers key paper viii emission line ratios from nirspec and nircam wide field slitless spectroscopy at z 2 |
| topic | Emission line galaxies Galaxy evolution Galaxies Active galaxies |
| url | https://doi.org/10.3847/1538-4357/ad1520 |
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