Slitless Areal Pure-Parallel HIgh-Redshift Emission Survey (SAPPHIRES): Early Data Release of Deep JWST/NIRCam Images and Spectra in MACS J0416 Parallel Field
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866913747097878528 |
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| author | Sun, Fengwu Fudamoto, Yoshinobu Lin, Xiaojing Helton, Jakob M. Hsiao, Tiger Yu-Yang Egami, Eiichi Akhtarkavan, Arshia Bunker, Andrew J. Cai, Zheng DeCoursey, Christa Eisenstein, Daniel J. Fan, Xiaohui Harikane, Yuichi Ji, Zhiyuan Jin, Xiangyu Liu, Weizhe Liu, Yichen Ma, Zheng Maiolino, Roberto Ouchi, Masami Tee, Wei Leong Wang, Feige Willmer, Christopher N. A. Wu, Yunjing Xu, Yi Yang, Jinyi Zhang, Junyu Zhu, Yongda |
| author_facet | Sun, Fengwu Fudamoto, Yoshinobu Lin, Xiaojing Helton, Jakob M. Hsiao, Tiger Yu-Yang Egami, Eiichi Akhtarkavan, Arshia Bunker, Andrew J. Cai, Zheng DeCoursey, Christa Eisenstein, Daniel J. Fan, Xiaohui Harikane, Yuichi Ji, Zhiyuan Jin, Xiangyu Liu, Weizhe Liu, Yichen Ma, Zheng Maiolino, Roberto Ouchi, Masami Tee, Wei Leong Wang, Feige Willmer, Christopher N. A. Wu, Yunjing Xu, Yi Yang, Jinyi Zhang, Junyu Zhu, Yongda |
| contents | We present the early data release (EDR) of SAPPHIRES, a JWST Cycle-3 Treasury imaging and spectroscopic survey using the powerful NIRCam wide-field slitless spectroscopic (WFSS) mode in pure parallel. SAPPHIRES will obtain NIRCam imaging and WFSS data in many cosmological deep fields totaling a telescope charged time of 709 hours (557-hour exposures). In this EDR, we present NIRCam imaging and WFSS data obtained in parallel to the Frontier Field galaxy cluster MACS J0416.1-2403, which are attached to primary observations JWST-GO-4750. With a total dual-channel exposure time of 47.2 hours, we obtain deep NIRCam imaging in 13 bands at 0.6--5.0 micron and deep WFSS at 3.1-5.0 micron through the F356W and F444W filters with grisms in orthogonal dispersion directions. We release reduced NIRCam images, photometric catalogs of 22107 sources and WFSS spectra of 1060 sources with confirmed redshifts ($z\simeq0-8.5$). Preliminary value-added catalogs including photometric redshifts, spectroscopic redshifts and physical properties (mass, star-formation rate, etc.) are also made available. We also characterize the data quality and demonstrate scientific applications, including (1) galaxy candidates at the redshift frontier ($z\gtrsim10$), (2) the ionized gas kinematics of a galaxy reconstructed from $R\sim1500$ grism spectra at orthogonal dispersion directions, (3) massive emission-line galaxies and active galactic nuclei (AGN) around the Epoch of Reionization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_15587 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Slitless Areal Pure-Parallel HIgh-Redshift Emission Survey (SAPPHIRES): Early Data Release of Deep JWST/NIRCam Images and Spectra in MACS J0416 Parallel Field Sun, Fengwu Fudamoto, Yoshinobu Lin, Xiaojing Helton, Jakob M. Hsiao, Tiger Yu-Yang Egami, Eiichi Akhtarkavan, Arshia Bunker, Andrew J. Cai, Zheng DeCoursey, Christa Eisenstein, Daniel J. Fan, Xiaohui Harikane, Yuichi Ji, Zhiyuan Jin, Xiangyu Liu, Weizhe Liu, Yichen Ma, Zheng Maiolino, Roberto Ouchi, Masami Tee, Wei Leong Wang, Feige Willmer, Christopher N. A. Wu, Yunjing Xu, Yi Yang, Jinyi Zhang, Junyu Zhu, Yongda Astrophysics of Galaxies We present the early data release (EDR) of SAPPHIRES, a JWST Cycle-3 Treasury imaging and spectroscopic survey using the powerful NIRCam wide-field slitless spectroscopic (WFSS) mode in pure parallel. SAPPHIRES will obtain NIRCam imaging and WFSS data in many cosmological deep fields totaling a telescope charged time of 709 hours (557-hour exposures). In this EDR, we present NIRCam imaging and WFSS data obtained in parallel to the Frontier Field galaxy cluster MACS J0416.1-2403, which are attached to primary observations JWST-GO-4750. With a total dual-channel exposure time of 47.2 hours, we obtain deep NIRCam imaging in 13 bands at 0.6--5.0 micron and deep WFSS at 3.1-5.0 micron through the F356W and F444W filters with grisms in orthogonal dispersion directions. We release reduced NIRCam images, photometric catalogs of 22107 sources and WFSS spectra of 1060 sources with confirmed redshifts ($z\simeq0-8.5$). Preliminary value-added catalogs including photometric redshifts, spectroscopic redshifts and physical properties (mass, star-formation rate, etc.) are also made available. We also characterize the data quality and demonstrate scientific applications, including (1) galaxy candidates at the redshift frontier ($z\gtrsim10$), (2) the ionized gas kinematics of a galaxy reconstructed from $R\sim1500$ grism spectra at orthogonal dispersion directions, (3) massive emission-line galaxies and active galactic nuclei (AGN) around the Epoch of Reionization. |
| title | Slitless Areal Pure-Parallel HIgh-Redshift Emission Survey (SAPPHIRES): Early Data Release of Deep JWST/NIRCam Images and Spectra in MACS J0416 Parallel Field |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2503.15587 |