L-band nulling interferometry at the VLTI with Asgard/NOTT: status and plans
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2024
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| author | Defrère, Denis Laugier, Romain Martinod, Marc-Antoine Garreau, Germain Missiaen, Kwinten Salman, Muhammad Raskin, Gert Dandumont, Colin Ertel, Steve Ireland, Michael J. Kraus, Stefan Labadie, Lucas Mazzoli, Alexandra Medgyesi, Gyorgy Sanny, Ahmed Absil, Olivier Ábráham, Peter Berger, Jean-Philippe Bonduelle, Myriam Bigioli, Azzurra Bouzerand, Emilie Carter, Josh Cvetojevic, Nick Courtney-Barrer, Benjamin Glauser, Adrian M. Gross, Simon Haubois, Xavier James, Noel Joo, Andras Peter Lagarde, Stephane Léger, Alain Leisenring, Jarron Loicq, Jérôme Martin, Guillermo Martinache, Frantz Mezo, Gyorgy Morel, Sébastien Morren, Johan Ollivier, Marc Robertson, Gordon Rousseau, Hélène Schofield, Warrick Schuhler, Nicolas Taras, Adam Vandenbussche, Bart Woillez, Julien |
| author_facet | Defrère, Denis Laugier, Romain Martinod, Marc-Antoine Garreau, Germain Missiaen, Kwinten Salman, Muhammad Raskin, Gert Dandumont, Colin Ertel, Steve Ireland, Michael J. Kraus, Stefan Labadie, Lucas Mazzoli, Alexandra Medgyesi, Gyorgy Sanny, Ahmed Absil, Olivier Ábráham, Peter Berger, Jean-Philippe Bonduelle, Myriam Bigioli, Azzurra Bouzerand, Emilie Carter, Josh Cvetojevic, Nick Courtney-Barrer, Benjamin Glauser, Adrian M. Gross, Simon Haubois, Xavier James, Noel Joo, Andras Peter Lagarde, Stephane Léger, Alain Leisenring, Jarron Loicq, Jérôme Martin, Guillermo Martinache, Frantz Mezo, Gyorgy Morel, Sébastien Morren, Johan Ollivier, Marc Robertson, Gordon Rousseau, Hélène Schofield, Warrick Schuhler, Nicolas Taras, Adam Vandenbussche, Bart Woillez, Julien |
| contents | NOTT (formerly Hi-5) is the L'-band (3.5-4.0~microns) nulling interferometer of Asgard, an instrument suite in preparation for the VLTI visitor focus. The primary scientific objectives of NOTT include characterizing (i) young planetary systems near the snow line, a critical region for giant planet formation, and (ii) nearby main-sequence stars close to the habitable zone, with a focus on detecting exozodiacal dust that could obscure Earth-like planets. In 2023-2024, the final warm optics have been procured and assembled in a new laboratory at KU Leuven. First fringes and null measurements were obtained using a Gallium Lanthanum Sulfide (GLS) photonic chip that was also tested at cryogenic temperatures. In this paper, we present an overall update of the NOTT project with a particular focus on the cold mechanical design, the first results in the laboratory with the final NOTT warm optics, and the ongoing Asgard integration activities. We also report on other ongoing activities such as the characterization of the photonic chip (GLS, LiNbO3, SiO), the development of the exoplanet science case, the design of the dispersion control module, and the progress with the self-calibration data reduction software. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_08397 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | L-band nulling interferometry at the VLTI with Asgard/NOTT: status and plans Defrère, Denis Laugier, Romain Martinod, Marc-Antoine Garreau, Germain Missiaen, Kwinten Salman, Muhammad Raskin, Gert Dandumont, Colin Ertel, Steve Ireland, Michael J. Kraus, Stefan Labadie, Lucas Mazzoli, Alexandra Medgyesi, Gyorgy Sanny, Ahmed Absil, Olivier Ábráham, Peter Berger, Jean-Philippe Bonduelle, Myriam Bigioli, Azzurra Bouzerand, Emilie Carter, Josh Cvetojevic, Nick Courtney-Barrer, Benjamin Glauser, Adrian M. Gross, Simon Haubois, Xavier James, Noel Joo, Andras Peter Lagarde, Stephane Léger, Alain Leisenring, Jarron Loicq, Jérôme Martin, Guillermo Martinache, Frantz Mezo, Gyorgy Morel, Sébastien Morren, Johan Ollivier, Marc Robertson, Gordon Rousseau, Hélène Schofield, Warrick Schuhler, Nicolas Taras, Adam Vandenbussche, Bart Woillez, Julien Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics NOTT (formerly Hi-5) is the L'-band (3.5-4.0~microns) nulling interferometer of Asgard, an instrument suite in preparation for the VLTI visitor focus. The primary scientific objectives of NOTT include characterizing (i) young planetary systems near the snow line, a critical region for giant planet formation, and (ii) nearby main-sequence stars close to the habitable zone, with a focus on detecting exozodiacal dust that could obscure Earth-like planets. In 2023-2024, the final warm optics have been procured and assembled in a new laboratory at KU Leuven. First fringes and null measurements were obtained using a Gallium Lanthanum Sulfide (GLS) photonic chip that was also tested at cryogenic temperatures. In this paper, we present an overall update of the NOTT project with a particular focus on the cold mechanical design, the first results in the laboratory with the final NOTT warm optics, and the ongoing Asgard integration activities. We also report on other ongoing activities such as the characterization of the photonic chip (GLS, LiNbO3, SiO), the development of the exoplanet science case, the design of the dispersion control module, and the progress with the self-calibration data reduction software. |
| title | L-band nulling interferometry at the VLTI with Asgard/NOTT: status and plans |
| topic | Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics |
| url | https://arxiv.org/abs/2407.08397 |