Report on LEO satellite impacts on ground-based optical astronomy for the Rubin Observatory LSST
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| Autores principales: | , , , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866914233629802496 |
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| author | Kandula, Phanindra Kelvin, Lee Nourbakhsh, Erfan Polin, Daniel Prince, Tom Rawls, Meredith Snyder, Adam Smart, Brianna Stubbs, Christopher Tyson, Anthony Ivezic, Zeljko Lage, Craig Saunders, Clare |
| author_facet | Kandula, Phanindra Kelvin, Lee Nourbakhsh, Erfan Polin, Daniel Prince, Tom Rawls, Meredith Snyder, Adam Smart, Brianna Stubbs, Christopher Tyson, Anthony Ivezic, Zeljko Lage, Craig Saunders, Clare |
| contents | In August 2025 a workshop was convened to bring together experts to better understand steps that can be taken to mitigate the impact of satellite constellations on astronomical observations. At the time, just over 12,000 operational satellites were in low-Earth orbit (LEO). Although reflected sunlight and emissions all across the electromagnetic spectrum from artificial satellites impact scientific observations and the sky, the workshop focused on reflected sunlight in the wavelength range 330 nm to 1100 nm. This aligns with the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) planned imaging observations over the coming decade. Among other conclusions, we affirm previous recommendations that tracked satellite apparent magnitudes should be no brighter than 7th AB mag. The workshop participants discussed over 30 publications, reports, and presentations, and arrived at the Findings and Recommendations presented here. During the workshop, in addition to affirming many existing recommendations and best practices, the group discovered new issues and devised possible mitigations. These were nearly equally divided between advice to satellite builders and operators and to the observational astronomy community. While the workshop prioritized considerations for LSST, our hope is that many of the Findings and Recommendations will also apply to other observatories and constellations, and that all satellite companies will continue to engage in dialog with sky observers across the globe. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_19758 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Report on LEO satellite impacts on ground-based optical astronomy for the Rubin Observatory LSST Kandula, Phanindra Kelvin, Lee Nourbakhsh, Erfan Polin, Daniel Prince, Tom Rawls, Meredith Snyder, Adam Smart, Brianna Stubbs, Christopher Tyson, Anthony Ivezic, Zeljko Lage, Craig Saunders, Clare Instrumentation and Methods for Astrophysics In August 2025 a workshop was convened to bring together experts to better understand steps that can be taken to mitigate the impact of satellite constellations on astronomical observations. At the time, just over 12,000 operational satellites were in low-Earth orbit (LEO). Although reflected sunlight and emissions all across the electromagnetic spectrum from artificial satellites impact scientific observations and the sky, the workshop focused on reflected sunlight in the wavelength range 330 nm to 1100 nm. This aligns with the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) planned imaging observations over the coming decade. Among other conclusions, we affirm previous recommendations that tracked satellite apparent magnitudes should be no brighter than 7th AB mag. The workshop participants discussed over 30 publications, reports, and presentations, and arrived at the Findings and Recommendations presented here. During the workshop, in addition to affirming many existing recommendations and best practices, the group discovered new issues and devised possible mitigations. These were nearly equally divided between advice to satellite builders and operators and to the observational astronomy community. While the workshop prioritized considerations for LSST, our hope is that many of the Findings and Recommendations will also apply to other observatories and constellations, and that all satellite companies will continue to engage in dialog with sky observers across the globe. |
| title | Report on LEO satellite impacts on ground-based optical astronomy for the Rubin Observatory LSST |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2509.19758 |