SCUBADive I: JWST+ALMA Analysis of 289 sub-millimeter galaxies in COSMOS-Web
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2024
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| author | McKinney, Jed Casey, Caitlin M. Long, Arianna S. Cooper, Olivia R. Manning, Sinclaire M. Franco, Maximilien Akin, Hollis Lambrides, Erini Gammon, Elaine Silva, Camila Gentile, Fabrizio Zavala, Jorge A. Amvrosiadis, Aristeidis Andika, Irma Brinch, Malte Champagne, Jaclyn B. Chartab, Nima Drakos, Nicole E. Faisst, Andreas L. Fujimoto, Seiji Gillman, Steven Gozaliasl, Ghassem Greve, Thomas R. Harish, Santosh Hayward, Christopher C. Hirschmann, Michaela Ilbert, Olivier Kalita, Boris S. Kartaltepe, Jeyhan S. Koekemoer, Anton M. Kokorev, Vasily Liu, Daizhong Magdis, Georgios McCracken, Henry Joy Rhodes, Jason Robertson, Brant E. Talia, Margherita Valentino, Francesco Vijayan, Aswin P. |
| author_facet | McKinney, Jed Casey, Caitlin M. Long, Arianna S. Cooper, Olivia R. Manning, Sinclaire M. Franco, Maximilien Akin, Hollis Lambrides, Erini Gammon, Elaine Silva, Camila Gentile, Fabrizio Zavala, Jorge A. Amvrosiadis, Aristeidis Andika, Irma Brinch, Malte Champagne, Jaclyn B. Chartab, Nima Drakos, Nicole E. Faisst, Andreas L. Fujimoto, Seiji Gillman, Steven Gozaliasl, Ghassem Greve, Thomas R. Harish, Santosh Hayward, Christopher C. Hirschmann, Michaela Ilbert, Olivier Kalita, Boris S. Kartaltepe, Jeyhan S. Koekemoer, Anton M. Kokorev, Vasily Liu, Daizhong Magdis, Georgios McCracken, Henry Joy Rhodes, Jason Robertson, Brant E. Talia, Margherita Valentino, Francesco Vijayan, Aswin P. |
| contents | JWST has enabled detecting and spatially resolving the heavily dust-attenuated stellar populations of sub-millimeter galaxies, revealing detail that was previously inaccessible. In this work we construct a sample of 289 sub-millimeter galaxies with detailed joint ALMA and JWST constraints in the COSMOS field. Sources are originally selected using the SCUBA-2 instrument and have archival ALMA observations from various programs. Their JWST NIRCam imaging is from COSMOS-Web and PRIMER. We extract multi-wavelength photometry in a manner that leverages the unprecedented near-infrared spatial resolution of JWST, and fit the data with spectral energy distribution models to derive photometric redshifts, stellar masses, star-formation rates and optical attenuation. The sample has an average z=2.6, A_V=2.5, SFR=270 and log(M*)=11.1. There are 81 (30%) galaxies that have no previous optical/near-infrared detections, including 75% of the z>4 sub-sample (n=28). The faintest observed near-infrared sources have the highest redshifts and largest A_V=4. In a preliminary morphology analysis we find that ~10% of our sample exhibit spiral arms and 5% host stellar bars, with one candidate bar found at z>3. Finally, we find that the clustering of JWST galaxies within 10 arcseconds of a sub-mm galaxy is a factor of 2 greater than what is expected based on either random clustering or the distribution of sources around any red galaxy irrespective of a sub-mm detection. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_08346 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | SCUBADive I: JWST+ALMA Analysis of 289 sub-millimeter galaxies in COSMOS-Web McKinney, Jed Casey, Caitlin M. Long, Arianna S. Cooper, Olivia R. Manning, Sinclaire M. Franco, Maximilien Akin, Hollis Lambrides, Erini Gammon, Elaine Silva, Camila Gentile, Fabrizio Zavala, Jorge A. Amvrosiadis, Aristeidis Andika, Irma Brinch, Malte Champagne, Jaclyn B. Chartab, Nima Drakos, Nicole E. Faisst, Andreas L. Fujimoto, Seiji Gillman, Steven Gozaliasl, Ghassem Greve, Thomas R. Harish, Santosh Hayward, Christopher C. Hirschmann, Michaela Ilbert, Olivier Kalita, Boris S. Kartaltepe, Jeyhan S. Koekemoer, Anton M. Kokorev, Vasily Liu, Daizhong Magdis, Georgios McCracken, Henry Joy Rhodes, Jason Robertson, Brant E. Talia, Margherita Valentino, Francesco Vijayan, Aswin P. Astrophysics of Galaxies JWST has enabled detecting and spatially resolving the heavily dust-attenuated stellar populations of sub-millimeter galaxies, revealing detail that was previously inaccessible. In this work we construct a sample of 289 sub-millimeter galaxies with detailed joint ALMA and JWST constraints in the COSMOS field. Sources are originally selected using the SCUBA-2 instrument and have archival ALMA observations from various programs. Their JWST NIRCam imaging is from COSMOS-Web and PRIMER. We extract multi-wavelength photometry in a manner that leverages the unprecedented near-infrared spatial resolution of JWST, and fit the data with spectral energy distribution models to derive photometric redshifts, stellar masses, star-formation rates and optical attenuation. The sample has an average z=2.6, A_V=2.5, SFR=270 and log(M*)=11.1. There are 81 (30%) galaxies that have no previous optical/near-infrared detections, including 75% of the z>4 sub-sample (n=28). The faintest observed near-infrared sources have the highest redshifts and largest A_V=4. In a preliminary morphology analysis we find that ~10% of our sample exhibit spiral arms and 5% host stellar bars, with one candidate bar found at z>3. Finally, we find that the clustering of JWST galaxies within 10 arcseconds of a sub-mm galaxy is a factor of 2 greater than what is expected based on either random clustering or the distribution of sources around any red galaxy irrespective of a sub-mm detection. |
| title | SCUBADive I: JWST+ALMA Analysis of 289 sub-millimeter galaxies in COSMOS-Web |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2408.08346 |