Synergy between Roman and PRIMA imaging capabilities for large extragalactic surveys
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866914017050624000 |
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| author | Boquien, Médéric Ciesla, Laure Amestoy, Roman Glenn, Jason Gruppioni, Carlotta Smith, John-David |
| author_facet | Boquien, Médéric Ciesla, Laure Amestoy, Roman Glenn, Jason Gruppioni, Carlotta Smith, John-David |
| contents | The Roman Space Telescope will be instrumental for characterizing the physical properties of galaxies and understanding their evolution across time. However, a complete view of galaxy star formation activity will only be possible with the addition of far-infrared observations that a telescope such as PRobe far-Infrared Mission for Astrophysics (PRIMA) will be able to provide. Indeed, PRIMA's far-infrared camera will be highly sensitive to dust emission, whereas Roman will probe the stellar emission in rest-frame optical and ultraviolet of distant galaxies. Our aim here is to evaluate the advantage of combining large PRIMA and Roman extragalactic surveys to retrieve the physical properties of galaxies and compare them with what we would obtain using either dataset separately. To do so, we use the Code Investigating Galaxy Emission photometric modeling code to generate a far-ultraviolet to a far-infrared synthetic set of dusty star-forming galaxies at redshifts from 1.5 to 2.5, simulating the observations from the main extragalactic surveys of PRIMA and Roman. We find that the PRIMA + Roman observations can reliably retrieve the star formation rate, stellar masses, and dust luminosity. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_01686 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Synergy between Roman and PRIMA imaging capabilities for large extragalactic surveys Boquien, Médéric Ciesla, Laure Amestoy, Roman Glenn, Jason Gruppioni, Carlotta Smith, John-David Instrumentation and Methods for Astrophysics Astrophysics of Galaxies The Roman Space Telescope will be instrumental for characterizing the physical properties of galaxies and understanding their evolution across time. However, a complete view of galaxy star formation activity will only be possible with the addition of far-infrared observations that a telescope such as PRobe far-Infrared Mission for Astrophysics (PRIMA) will be able to provide. Indeed, PRIMA's far-infrared camera will be highly sensitive to dust emission, whereas Roman will probe the stellar emission in rest-frame optical and ultraviolet of distant galaxies. Our aim here is to evaluate the advantage of combining large PRIMA and Roman extragalactic surveys to retrieve the physical properties of galaxies and compare them with what we would obtain using either dataset separately. To do so, we use the Code Investigating Galaxy Emission photometric modeling code to generate a far-ultraviolet to a far-infrared synthetic set of dusty star-forming galaxies at redshifts from 1.5 to 2.5, simulating the observations from the main extragalactic surveys of PRIMA and Roman. We find that the PRIMA + Roman observations can reliably retrieve the star formation rate, stellar masses, and dust luminosity. |
| title | Synergy between Roman and PRIMA imaging capabilities for large extragalactic surveys |
| topic | Instrumentation and Methods for Astrophysics Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2509.01686 |