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Romain Buchs

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Related publications (5)

Page 1 of 1

Phenotypic redshifts with self-organizing maps: A novel method to characterize redshift distributions of source galaxies for weak lensing

Eduardo Sanchez, Romain Buchs

Wide-field imaging surveys such as the Dark Energy Survey (DES) rely on coarse measurements of spectral energy distributions in a few filters to estimate the redshift distribution of source galaxies. In this regime, sample variance, shot noise, and selecti ...

2019

Intensifying space activity calls for increased scrutiny of risks

Romain Buchs

As the pace of space activities accelerates and societies become more reliant on space-based systems, the associated risks deserve more attention. Satellites form a critical infrastructure on which military, civil and commercial entities rely. The services ...

EPFL International Risk Governance Center2021

Gaps review and improvement pathways in the assessment and management of collision risk in low Earth orbit

Jean-Paul Richard Kneib, Marie-Valentine Renée Agnès Florin, Romain Buchs, Emmanuelle Brigitte Marie David

There is growing concern that collision risk in low Earth orbit is inadequately managed, necessitating new strategies. Based on discussions held at a multistakeholder workshop organized by EPFL in May 2021, this paper presents some challenges, or governanc ...

2023

Collision risk from space debris: Current status, challenges and response strategies

Marie-Valentine Renée Agnès Florin, Romain Buchs

International Risk Governance Center (IRGC)2021

Policy options to address collision risk from space debris

Romain Buchs

This IRGC policy brief focuses on the risk of collision from space debris. It provides a range of policy options and broad recommendations to improve the assessment, evaluation and management of collision risk, as well as its communication. It is based on ...

EPFL2021