Dr. James H. Leftley Profile

Dr. James H. Leftley

at Observatoire de la Côte d'Azur

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 28 August 2024 Poster + Paper

GRAVITY+ adaptive optics (GPAO) tests in Europe

Florentin Millour, Guillaume Bourdarot, Jean-Baptiste Le Bouquin, Anthony Berdeu, Mathis Houllé, Philippe Berio, Thibaut Paumard, Denis Defrère, Paulo Garcia, Ferreol Soulez, Sebastian Hoenig, Fatmé Allouche, Martin Bachbucher, Christophe Bailet, Cyrille Blanchard, Olivier Boebion, Henri Bonnet, Amit Brara, Marcel Carbillet, Stephan Czempiel, Alain Delboulbé, Roderick Dembet, Clémence Edouard, Frank Eisenhauer, Helmut Feuchtgruber, Christoph Furchstsam, Stefan Gillessen, Armin Goldbrunner, Tiago Gomes, Carole Gouvvret, Sylvain Guieu, Mike Hartl, Johannes Hartwig, Frank Haussmann, David Huber, Ihsan Ibn Taïeb, Johann Kolb, Stéphane Lagarde, Olivier Lai, James Leftley, Dieter Lutz, Yves Magnard, Aurélie Marcotto, Hugo Nowacki, Sylvain Oberti, Thomas Ott, Christian Rau, Sylvie Robbe-Dubois, Jules Scigliuto, Franz Soller, Pavel Shchekaturov, Daniel Schuppe, Eric Stadler, Sinem Uysal, Felix Widmann, Ekherhard Wieprecht, Julien Woillez, Şenol Yazici

Proceedings Volume 13095, 1309520 (2024) https://doi.org/10.1117/12.3020269

KEYWORDS: Matrices, Adaptive optics, Wavefront sensors, Calibration, Cameras, Point spread functions, Telescopes, Optical testing, Laser guide stars, Real-time computing

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Proceedings Article | 28 August 2024 Presentation + Paper

GRAVITY for MATISSE

J. Woillez, R. Petrov, R. Abuter, F. Allouche, P. Berio, R. Dembet, F. Eisenhauer, R. Frahm, F. Gonté, X. Haubois, M. Houllé, W. Jaffe, S. Lacour, S. Lagarde, J. Leftley, B. Lopez, A. Matter, A. Meilland, F. Millour, M. Nowak, C. Paladini, T. Rivinius, D. Salabert, N. Schuhler, J. Varga, G. Zins

Proceedings Volume 13095, 130950L (2024) https://doi.org/10.1117/12.3019993

KEYWORDS: Exoplanets, Adaptive optics, L band, Observatories, Large telescopes, K band, Interferometry

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Proceedings Article | 28 August 2024 Poster + Paper

End-to-end simulation of hierarchical fringe tracking

Fatmé Allouche, Massinissa Hadjara, Amokrane Berdja, Abdelkarim Boskri, James Leftley, Stéphane Lagarde, Romain Petrov

Proceedings Volume 13095, 130952I (2024) https://doi.org/10.1117/12.3020393

KEYWORDS: Telescopes, Device simulation, Design, Sensors, Optical interferometry, Servomechanisms, Adaptive optics, Actuators, Visibility, Signal detection, Long baseline optical interferometry

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Proceedings Article | 28 August 2024 Poster + Paper

Hierarchical fringe tracking

Romain Petrov, Fatmé Allouche, Massinissa Hadjara, Abdelkarim Boskri, James Leftley, Amokrane Berdja, Stéphane Lagarde

Proceedings Volume 13095, 130952H (2024) https://doi.org/10.1117/12.3018417

KEYWORDS: Telescopes, Fourier transforms, Phase measurement, Design, Computer simulations, Visibility, Microelectromechanical systems, Equipment, Device simulation, Long baseline optical interferometry, Astronomical adaptive optics, Active galactic nuclei

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Proceedings Article | 28 August 2024 Presentation + Paper

GRAVITY data curation: opening science-ready data products to the community

Paulo J. Garcia, Nuno Morujão, James Leftley, Alexis Matter, Isabelle Percheron

Proceedings Volume 13095, 130951C (2024) https://doi.org/10.1117/12.3019118

KEYWORDS: Equipment, Data archive systems, Optical interferometry, Astronomical interferometry, Calibration, Quality control, Infrared radiation, Databases, Observatories, Visibility

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Proceedings Article | 28 August 2024 Presentation

MATISSE, the VLTI mid-infrared spectro-interferometric imager: achievements and perspectives

Romain Petrov, Stéphane Lagarde, Bruno Lopez, Sylvie Robbe-Dubois, James Leftley, Claudia Paladini, Mathis Houllé, Gerd Weigelt, Roy van Boekel, Walter Jaffe, Julien Woillez, Philippe Berio, Felix Bettonvil, Bourget Pierre, Eddy Eldswijk, Alexis Matter, Anthony Meilland, Florentin Millour, Laurent Pallanca, Thomas Rivinius, Gerard Zins

Proceedings Volume 13095, 130950C (2024) https://doi.org/10.1117/12.3019899

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Proceedings Article | 26 August 2022 Presentation + Paper

MATISSE, the VLTI mid-infrared imaging spectro-interferometer at the time of the first published astrophysical results

Stéphane Lagarde, Anthony Meilland, Bruno Lopez, Romain Petrov, Fatmé Allouche, Alexis Matter, Jean-Charles Augereau, Phillippe Berio, Felix Bettonvil, Roy van Boekel, Paul Bristow, Pierre Cruzalèbes, William Danchi, Andreas Glindemann, Massinissa Hadjara, Mathias Henninger, Michiel Hogerheijde, Walter Jaffe, James Leftley, Michael Lehmitz, Florentin Millour, Claudia Paladini, Eric Pantin, Miguel Riquelme, Thomas Rivinius, Sylvie Robbe-Dubois, Markus Schoeller, Jozsef Varga, Gerd Weigelt, Julien Woillez, Gérard Zins

Proceedings Volume 12183, 121830A (2022) https://doi.org/10.1117/12.2630164

KEYWORDS: Stars, Mid-IR, Spectral resolution, Telescopes, Visibility, Sensors, Observatories, Atmospheric optics, Astatine, Planets

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Proceedings Article | 26 August 2022 Paper

VERMILION: Visitor Extension spectRal sub-Mid-Infrared Light InterferOmeter iNstrument

Massinissa Hadjara, Romain Petrov, Stéphane Lagarde, Xinyang Chen, Jinhua He, Lei Zhu, Bruno Lopez, Florentin Millour, Anthony Meilland, Alexandre Gallenne, James Leftley, Abdelkarim Boskri, Juncheng Chen, Ernest Michael, Marcos Diaz, Rene Mendez, Amelia Bayo, Miguel Piña, Gabriel Pereira, Sebastián Manosalva, Christian Nitschelm, Juan Pablo Colque, Congcong Zhang, Dan Zhou, Fatmé Allouche, Yinlei Hao, Amokrane Berdja, Felipe Besser, Clémentine Marie Zélia Bechet, Andrés Guesalaga Meissner, Leonardo Vanzi, Abderrahmane Mezaoui, Nourredine Moussaoui

Proceedings Volume 12183, 121831V (2022) https://doi.org/10.1117/12.2627736

KEYWORDS: Stars, Spectral resolution, Astatine, Telescopes, Sensors, Adaptive optics, Spatial resolution, Observatories, K band, Interferometry

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Proceedings Article | 26 August 2022 Presentation + Paper

Hierarchical Fringe Tracking, sky coverage and AGNs at the VLTI

Romain Petrov, Fatmé Allouche, Abdelkarim Boskri, James Leftley, Massinissa Hadjara, Sylvain Rousseau, Stéphane Lagarde, Bruno Lopez, Florentin Millour, Xinyang Chen, Yinlei Hao, Thami Elhalkouj, Zouhair Benkhaldoun

Proceedings Volume 12183, 121830I (2022) https://doi.org/10.1117/12.2628250

KEYWORDS: Telescopes, Signal to noise ratio, Interferometers, Integrated optics, Visibility, Fourier transforms, Mirrors, Sensors, Optical tracking, K band, Adaptive optics, Active galactic nuclei, Astronomical interferometry

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Showing 5 of 9 publications

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