PRIMAger General Observer programs: a {\Large $π$}-sr Infrared Survey and other General Observer wide-field programs
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| Format: | Preprint |
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2025
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| _version_ | 1866911168323387392 |
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| author | Burgarella, Denis Bethermin, Matthieu Boselli, Alessandro Donnelan, James Dowell, Charles Darren Lagache, Guilaine Oliver, Seb Dole, Herve |
| author_facet | Burgarella, Denis Bethermin, Matthieu Boselli, Alessandro Donnelan, James Dowell, Charles Darren Lagache, Guilaine Oliver, Seb Dole, Herve |
| contents | The PRobe far-Infrared Mission for Astrophysics (PRIMA) is a cryogenically-cooled, far-infrared (far-IR) observatory expected to begin serving the astronomical community by early 2030. The mission features two advanced instruments: PRIMAger and FIRESS. PRIMAger will operate across the mid- to far-IR spectrum, covering wavelengths from approximately 25 to 260 $μ$m. It will offer hyperspectral imaging in medium resolution bands (R $\sim$ 8, using a linear variable filter) from 25 to 80 $μ$m, and broad band (R $\sim$ 4) photometric and polarimetric imaging in four bands spanning 80 to 260 $μ$m.
The capabilities of PRIMAger will enable a broad range of unique scientific programs, accessible through General Observer (GO) projects.
In this paper, we present and define a PRIMAger survey over 25\% of the sky, called $π$-IR survey. This survey would exploit PRIMAger's hyperspectral and polarimetric modes to collect data on about 8 $\times$ 10$^{6}$ galaxies to z $\sim$ 4. The R=8 spectral resolution of the PRIMAger Hyperspectral Imaging (PHI) filters will enable users to study the emission of polycyclic aromatic hydrocarbon (PAH). A large sample of galaxies will be observed with the polarimetric bands of PRIMAger, allowing unique statistical information for galaxies to be harvested for the first time. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_17646 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | PRIMAger General Observer programs: a {\Large $π$}-sr Infrared Survey and other General Observer wide-field programs Burgarella, Denis Bethermin, Matthieu Boselli, Alessandro Donnelan, James Dowell, Charles Darren Lagache, Guilaine Oliver, Seb Dole, Herve Astrophysics of Galaxies The PRobe far-Infrared Mission for Astrophysics (PRIMA) is a cryogenically-cooled, far-infrared (far-IR) observatory expected to begin serving the astronomical community by early 2030. The mission features two advanced instruments: PRIMAger and FIRESS. PRIMAger will operate across the mid- to far-IR spectrum, covering wavelengths from approximately 25 to 260 $μ$m. It will offer hyperspectral imaging in medium resolution bands (R $\sim$ 8, using a linear variable filter) from 25 to 80 $μ$m, and broad band (R $\sim$ 4) photometric and polarimetric imaging in four bands spanning 80 to 260 $μ$m. The capabilities of PRIMAger will enable a broad range of unique scientific programs, accessible through General Observer (GO) projects. In this paper, we present and define a PRIMAger survey over 25\% of the sky, called $π$-IR survey. This survey would exploit PRIMAger's hyperspectral and polarimetric modes to collect data on about 8 $\times$ 10$^{6}$ galaxies to z $\sim$ 4. The R=8 spectral resolution of the PRIMAger Hyperspectral Imaging (PHI) filters will enable users to study the emission of polycyclic aromatic hydrocarbon (PAH). A large sample of galaxies will be observed with the polarimetric bands of PRIMAger, allowing unique statistical information for galaxies to be harvested for the first time. |
| title | PRIMAger General Observer programs: a {\Large $π$}-sr Infrared Survey and other General Observer wide-field programs |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2509.17646 |