Sebastiaan Fransen

The NewAthena x-ray optics

Marcos Bavdaz, Marine Martin-Lagarde, Sebastiaan Fransen, Pieter Smid et autres

The NewAthena (New Advanced Telescope for High ENergy Astrophysics) mission is the next generation X\x-ray observatory of ESA and is currently being studied and technologically prepared for adoption early 2027. NewAthena builds on a novel x-ray optics technology specifically developed for this …

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Damping Methodology for Condensed Solid Rocket Motor Structural Models

Sebastiaan Fransen, H. Fischer, S. Kiryenko, Daniel Lévesque et autres

ESA’s new small launcher - VEGA - has been designed as a single body launcher with three solid rocket motor stages and an additional liquid propulsion upper module used for attitude and orbit control, and satellite release. Part of the mission analysis …

On the Operational Modal Analysis of Solid Rocket Motors

Sebastiaan Fransen, Daniel J. Rixen, T. Henriksen, Michel Bonnet

ESA’s new small launcher - VEGA - has been designed as a single body launcher with three solid rocket motor stages and an additional liquid propulsion upper module used for attitude and orbit control, and satellite release. In order to verify the …

Optics developments for NewATHENA

Marcos Bavdaz, Eric Wille, Mark Ayre, Sebastiaan Fransen et autres

With the endorsement of the NewAthena (New Advanced Telescope for High ENergy Astrophysics) mission by ESA’s Science Programme Committee in November 2023, the preparations for this next generation X-ray observatory have shifted to a higher gear. Competitive system studies and technology preparation …

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NewATHENA optics technology

Marcos Bavdaz, Eric Wille, Mark Ayre, Ivo Ferreira et autres

The re-formulation phase of the next generation x-ray observatory ATHENA (Advanced Telescope for High ENergy Astrophysics) – now NewATHENA - is being utilized for further improvements of the optics technology. The Silicon Pore Optics (SPO) remains the technology of choice, since it …

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Status of the demonstration of the critical technologies of the ATHENA telescope

Ivo Ferreira, Marcos Bavdaz, Mark Ayre, Eric Wille et autres

The ATHENA (Advanced Telescope for High ENergy Astrophysics) mission is the current 2nd ‘Large’ mission (L2) in the ESA Cosmic Vision programme currently. It is currently at Phase B1 but the mission concept will now enter a reformulation phase that will follow …

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ATHENA optics technology development

Marcos Bavdaz, Eric Wille, Mark Ayre, Ivo Ferreira et autres

The next generation x-ray observatory ATHENA (advanced telescope for high energy astrophysics) requires an optics with unprecedented performance. It is the combination of low mass, large effective area and good angular resolution that is the challenge of the x-ray optics of such …

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ATHENA x-ray optics development and accommodation

Marcos Bavdaz, Eric Wille, Mark Ayre, Ivo Ferreira et autres

The ATHENA (Advanced Telescope for High ENergy Astrophysics) mission studies and technology preparation are continuing to progress. The optics for this future space observatory is based on the Silicon Pore Optics (SPO), and is being evolved in a joint effort by industry, …

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Assembly of confocal silicon pore optics mirror modules

Nicolas M. Barrière, Ljubiša Babić, Alex Bayerle, Luigi Castiglione et autres

The mirror modules composing Athena’s X-ray optics are made with the Silicon Pore Optics (SPO) technology. SPO is produced as stacks of 38 mirror plates, which are paired to form X-ray Optics Units (XOUs) following a modified Wolter I geometry. In the …

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ATHENA reference telescope design and recent mission level consolidation

Ivo Ferreira, Marcos Bavdaz, Mark Ayre, Sebastiaan Fransen et autres

The ATHENA (Advanced Telescope for High ENergy Astrophysics) mission is steadily progressing both in terms of system studies and technology developments. The mission is currently in Phase B1 and is maturing towards a successful mission adoption. This paper describes the mission status …

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Silicon pore optics x-ray mirror development for the Athena telescope

Maximilien J. Collon, Ljubiša Babić, Nicolas M. Barrière, Alex Bayerle et autres

Athena, the largest space-based x-ray telescope to be flown by the European Space Agency, uses a new modular technology to assemble its 2.5 m diameter lens. The lens will consist of several hundreds of smaller x-ray lenslets, called mirror modules, which each …

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Environmental testing of the Athena telescope mirror modules

David Girou, Coen van Baren, Ivar te Kloeze, Luigi Castiglione et autres

The European Space Agency (ESA) is developing the Athena (Advanced Telescope for High ENergy Astrophysics) X-ray telescope, an L-class mission in their current Cosmic Vision cycle for long-term planning of space science missions. Silicon Pore Optics (SPO) are a new type of …

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