Mr. David Milligan Profile

David Milligan

at European Space Agency

SPIE Involvement:

Author

Publications (3)

Proceedings Article | 23 August 2024 Presentation + Paper

The Ariel mission: a mission of the European Space Agency for the characterization of exoplanets

Jean-Christophe Salvignol, Theresa Lüftinger, Gonzalo Saavedra Criado, Salma Fahmy, Camille Desportes de la Fosse, Riccardo Rinaldi, Cyril Colombo, Lidia Icardi, Robert Knockaert, Gianfranco Sechi, Ludovic Puig, Delphine Jollet, Anders Svedevall, Thierry Tirolien, Raymond Fels, Jorge Fiebrich, Marie-Geneviève Perichaud, Anja Plitzke, David Milligan, Claudio Mevi, Catarina Alves de Oliveira, Giovanna Tinetti, Paul Eccleston, Christophe Gabilan, Ludovic Larue, Jacques Oubrier, Ahmad Qadir

Proceedings Volume 13092, 130921A (2024) https://doi.org/10.1117/12.3016317

KEYWORDS: Exoplanetary science, Space operations, Equipment, Interfaces, Exoplanets, Telescopes, Spectroscopy, Design, Sensors, Infrared spectroscopy

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Ariel, part of the European Space Agency's (ESA) Cosmic Vision science program, is an innovative medium-class mission designed for atmospheric remote sensing of exoplanets. It is the first mission solely dedicated to investigating the atmospheres of more than 500 transiting exoplanets, ranging from gas giants to super-Earths, using a combination of transit photometry and spectroscopy. The mission's primary goal is to analyze these exoplanets' chemical composition and thermal structures, paving the way for large-scale, comparative planetology. Ariel is scheduled for launch in 2029 aboard Ariane 6.2. It will operate from an orbit around the Sun-Earth system's second Lagrange point. The mission has a nominal lifetime of four years, with the potential for a two-year extension. The spacecraft comprises two main modules: the Service Module (SVM) and the Payload Module (PLM). The SVM manages platform elements, including attitude control, power, data handling, and communication systems. The PLM incorporates an all-aluminium cryogenic telescope with two scientific instruments, the Ariel IR Spectrometer (AIRS) and the Fine Guidance System (FGS). The Operational Ground Segment consists of ground stations and the Mission Operation Centre (MOC) located at ESOC, responsible for the operations of the spacecraft and instruments. The Science Ground Segment (SGS) consists of the Science Operation Centre (SOC), located at ESAC, along with the Instrument Operations and Science Data Centre (IOSDC) provided by the Ariel Mission Consortium (AMC). The SGS will perform the science mission planning as well as processing of the data to generate the mission data products and provision of the Ariel mission archive for the user community. While ESA holds overall responsibility for Ariel, the Ariel Mission Consortium is responsible for the procurement of the payload units, as well as managing the IOSDC. This collaborative effort aims to unlock the mysteries of exoplanetary atmospheres and deepen our understanding of these distant worlds.

Proceedings Article | 23 August 2024 Presentation + Paper

The planetary transit and oscillations (PLATO) mission status: flight model build and initial ground testing

Jose Lorenzo Alvarez, Thomas Walloschek, Ana Heras, José Aroca, Tobias Boenke, Fabrice Boquet, Claudio Casagrande, Emanuelle De Biasi, Atul Deep, Andrea Galbiati, Edoardo Giana, Duncan Goulty, Ian Harrison, Nadia Hidalgo Torres, Joseph Huesler, Thomas Kanitz, Arnoud Jan Keereman, Matej Koubek, Philipp Laget, Isabelle Luthold, Sean Madden, Francesca Molendini, Sami Matias Niemi, Juan Pablo Rodríguez García, Theo Ridder, Hans Rozemeijer, Daniele Teti, Amadou Whitaker, James Windsor, Alistair Winton, Steve Foley, David Milligan, Laurence O'Rourke, Isabella Pagano, Gianalfredo Nicolini, Rosario Cosentino, Heike Rauer, Juan Cabrera, Martin Pertenais, Anders Erikson, Gisbert Peter, Philipp Eigmüller, Jose Miguel Mas-Hesse, Andrea Sacchetti, Pablo Jorba Coloma, Bart Vandenbussche, Ana Balado, Thomas Kennedy, Philippe Plasson, Aline Hermans, Julio Rodríguez, Rosario Sanz, Ana Di Giorgio, Gonzalo Ramos Zapata, Cydalise Dumesnilr, Lorenza Ferrari

Proceedings Volume 13092, 1309215 (2024) https://doi.org/10.1117/12.3020491

KEYWORDS: Cameras, Space operations, Stars, Design, Data processing, Control systems, Planets, Scanning tunneling microscopy, Satellites, X band, Exoplanets, Astronomical telescopes, Space telescopes

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Proceedings Article | 29 August 2022 Presentation

The PLATO mission design and status

Jose Lorenzo Alvarez, Filippo Marliani, Ana Heras, Thomas Walloschek, Marco Gaido, Joseph Huesler, Amadou Whitaker, José Aroca, Alistair Winton, Daniele Teti, Ian Harrison, Fabrice Boquet, Marco Cesa, Philippe Laget, Thomas Kanitz, Sami-Matias Niemi, Yves Levillain, Duncan Goulty, Sean Madden, James Windsor, Juan Pablo Rodríguez García, Nadia Hidalgo Torres, Beverly Brown, Laurence O'Rourke, Mark Kidger, David Milligan, Steve Foley, Francesca Molendini, Marco Ermocida, Andrea Sacchetti, Frank Steier, Laura León Pérez, Jean-Luc Petit, Christian Walther, Martin Pertenais, Anders Erikson, Juan Cabrera, César Martín García, Heike Rauer, Isabella Pagano, Miguel Mas-Hesse

Proceedings Volume 12180, 1218019 (2022) https://doi.org/10.1117/12.2630215

KEYWORDS: Space operations, Stars, Cameras, Exoplanets, Velocity measurements, Sensors, Satellites, Planets, Photometry, Optical benches

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