GRAVITY+ adaptive optics (GPAO) tests in Europe
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arXiv
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2025
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| author | Millour, Florentin Bourdarot, Guillaume Bouquin, Jean-Baptiste Le Berdeu, Anthony Houllé, Mathis Berio, Philippe Paumard, Thibaut Defrère, Denis Garcia, Paulo Soulez, Ferreol Hoenig, Sebastian Allouche, Fatmé Bachbucher, Martin Bailet, Christophe Blanchard, Cyrille Boebion, Olivier Bonnet, Henri Brara, Amit Carbillet, Marcel Czempiel, Stephan Delboulbé, Alain Dembet, Roderick Edouard, Clémence Eisenhauer, Frank Feuchtgruber, Halmut Furchstsam, Christoph Gillessen, Stefan Goldbrunner, Armin Gomes, Tiago Gouvret, Carole Guieu, Sylvain Hartl, Michael Hartwig, Johannes Haussmann, Frank Huber, David Taïeb, Ihsan Ibn Kolb, Johann Lagarde, Stéphane Lai, Olivier Leftley, James Lutz, Dieter Magnard, Yves Nowacki, Hugo Oberti, Sylvain Ott, Thomas Rau, Christian Robbe-Dubois, Sylvie Scigliuto, Jules Soller, Franz Shchekaturov, Pavel Schuppe, Daniel Stadler, Eric Uysal, Sinem Widmann, Felix Wieprecht, Ekherhard Woillez, Julien Yazici, Senol |
| author_facet | Millour, Florentin Bourdarot, Guillaume Bouquin, Jean-Baptiste Le Berdeu, Anthony Houllé, Mathis Berio, Philippe Paumard, Thibaut Defrère, Denis Garcia, Paulo Soulez, Ferreol Hoenig, Sebastian Allouche, Fatmé Bachbucher, Martin Bailet, Christophe Blanchard, Cyrille Boebion, Olivier Bonnet, Henri Brara, Amit Carbillet, Marcel Czempiel, Stephan Delboulbé, Alain Dembet, Roderick Edouard, Clémence Eisenhauer, Frank Feuchtgruber, Halmut Furchstsam, Christoph Gillessen, Stefan Goldbrunner, Armin Gomes, Tiago Gouvret, Carole Guieu, Sylvain Hartl, Michael Hartwig, Johannes Haussmann, Frank Huber, David Taïeb, Ihsan Ibn Kolb, Johann Lagarde, Stéphane Lai, Olivier Leftley, James Lutz, Dieter Magnard, Yves Nowacki, Hugo Oberti, Sylvain Ott, Thomas Rau, Christian Robbe-Dubois, Sylvie Scigliuto, Jules Soller, Franz Shchekaturov, Pavel Schuppe, Daniel Stadler, Eric Uysal, Sinem Widmann, Felix Wieprecht, Ekherhard Woillez, Julien Yazici, Senol |
| contents | We present in this proceeding the results of the test phase of the GRAVITY+ adaptive optics. This extreme AO will enable both high-dynamic range observations of faint companions (including exoplanets) thanks to a 40x40 sub-apertures wavefront control, and sensitive observations (including AGNs) thanks to the addition of a laser guide star to each UT of the VLT. This leap forward is made thanks to a mostly automated setup of the AO, including calibration of the NCPAs, that we tested in Europe on the UT+atmosphere simulator we built in Nice. We managed to reproduce in laboratory the expected performances of all the modes of the AO, including under non-optimal atmospheric or telescope alignment conditions, giving us the green light to proceed with the Assembly, Integration and Verification phase in Paranal. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_03721 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | GRAVITY+ adaptive optics (GPAO) tests in Europe Millour, Florentin Bourdarot, Guillaume Bouquin, Jean-Baptiste Le Berdeu, Anthony Houllé, Mathis Berio, Philippe Paumard, Thibaut Defrère, Denis Garcia, Paulo Soulez, Ferreol Hoenig, Sebastian Allouche, Fatmé Bachbucher, Martin Bailet, Christophe Blanchard, Cyrille Boebion, Olivier Bonnet, Henri Brara, Amit Carbillet, Marcel Czempiel, Stephan Delboulbé, Alain Dembet, Roderick Edouard, Clémence Eisenhauer, Frank Feuchtgruber, Halmut Furchstsam, Christoph Gillessen, Stefan Goldbrunner, Armin Gomes, Tiago Gouvret, Carole Guieu, Sylvain Hartl, Michael Hartwig, Johannes Haussmann, Frank Huber, David Taïeb, Ihsan Ibn Kolb, Johann Lagarde, Stéphane Lai, Olivier Leftley, James Lutz, Dieter Magnard, Yves Nowacki, Hugo Oberti, Sylvain Ott, Thomas Rau, Christian Robbe-Dubois, Sylvie Scigliuto, Jules Soller, Franz Shchekaturov, Pavel Schuppe, Daniel Stadler, Eric Uysal, Sinem Widmann, Felix Wieprecht, Ekherhard Woillez, Julien Yazici, Senol Instrumentation and Methods for Astrophysics We present in this proceeding the results of the test phase of the GRAVITY+ adaptive optics. This extreme AO will enable both high-dynamic range observations of faint companions (including exoplanets) thanks to a 40x40 sub-apertures wavefront control, and sensitive observations (including AGNs) thanks to the addition of a laser guide star to each UT of the VLT. This leap forward is made thanks to a mostly automated setup of the AO, including calibration of the NCPAs, that we tested in Europe on the UT+atmosphere simulator we built in Nice. We managed to reproduce in laboratory the expected performances of all the modes of the AO, including under non-optimal atmospheric or telescope alignment conditions, giving us the green light to proceed with the Assembly, Integration and Verification phase in Paranal. |
| title | GRAVITY+ adaptive optics (GPAO) tests in Europe |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2506.03721 |