Browsing by Author "Langlois, M."

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    Ongoing flyby in the young multiple system UX Tauri
    (2020) Menard, F.; Cuello, N.; Ginski, C.; van der Plas, G.; Villenave, M.; Gonzalez, J-F; Pinte, C.; Benisty, M.; Boccaletti, A.; Price, D. J.; Boehler, Y.; Chripko, S.; de Boer, J.; Dominik, C.; Garufi, A.; Gratton, R.; Hagelberg, J.; Henning, Th; Langlois, M.; Maire, A. L.; Pinilla, P.; Ruane, G. J.; Schmid, H. M.; van Holstein, R. G.; Vigan, A.; Zurlo, A.; Hubin, N.; Pavlov, A.; Rochat, S.; Sauvage, J-F; Stadler, E.
    We present observations of the young multiple system UX Tauri to look for circumstellar disks and for signs of dynamical interactions. We obtained SPHERE/IRDIS deep differential polarization images in the J and H bands. We also used ALMA archival CO data. Large extended spirals are well detected in scattered light coming out of the disk of UX Tau A. The southern spiral forms a bridge between UX Tau A and C. These spirals, including the bridge connecting the two stars, all have a CO (3-2) counterpart seen by ALMA. The disk of UX Tau C is detected in scattered light. It is much smaller than the disk of UX Tau A and has a major axis along a different position angle, suggesting a misalignment. We performed PHANTOM SPH hydrodynamical models to interpret the data. The scattered light spirals, CO emission spirals and velocity patterns of the rotating disks, and the compactness of the disk of UX Tau C all point to a scenario in which UX Tau A has been perturbed very recently (similar to 1000 years) by the close passage of UX Tau C.
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    The European Solar Telescope
    (2022) Noda, C. Quintero; Schlichenmaier, R.; Bellot Rubio, L. R.; Lofdahl, M. G.; Khomenko, E.; Leenaarts, J.; Kuckein, C.; Gonzalez Manrique, S. J.; Gunar, S.; Nelson, C. J.; Rodriguez, J. de la Cruz; Tziotziou, K.; Tsiropoula, G.; Aulanier, G.; Aboudarham, J.; Allegri, D.; Alsina Ballester, E.; Amans, J. P.; Asensio Ramos, A.; Bailen, F. J.; Balaguer, M.; Baldini, V; Balthasar, H.; Barata, T.; Barczynski, K.; Barreto Cabrera, M.; Baur, A.; Bechet, C.; Beck, C.; Belio-Asin, M.; Bello-Gonzalez, N.; Belluzzi, L.; Bentley, R. D.; Berdyugina, S., V; Berghmans, D.; Berlicki, A.; Berrilli, F.; Berkefeld, T.; Bettonvil, F.; Bianda, M.; Bienes Perez, J.; Bonaque-Gonzalez, S.; Brajsa, R.; Bommier, V; Bourdin, P-A; BurgosMartin, J.; Calchetti, D.; Calcines, A.; Calvo Tovar, J.; Campbell, R. J.; Carballo-Martin, Y.; Carbone, V; Carlin, E. S.; Carlsson, M.; Castro Lopez, J.; Cavaller, L.; Cavallini, F.; Cauzzi, G.; Cecconi, M.; Chulani, H. M.; Cirami, R.; Consolini, G.; Coretti, I; Cosentino, R.; Cozar-Castellano, J.; Dalmasse, K.; Danilovic, S.; Ovelar, M. De Juan; Del Moro, D.; del Pino Aleman, T.; del Toro Iniesta, J. C.; Denker, C.; Dhara, S. K.; Di Marcantonio, P.; Baso, C. J. Diaz; Diercke, A.; Dineva, E.; Diaz-Garcia, J. J.; Doerr, H-P; Doyle, G.; Erdelyi, R.; Ermolli, I; Escobar Rodriguez, A.; Esteban Pozuelo, S.; Faurobert, M.; Felipe, T.; Feller, A.; Feijoo Amoedo, N.; Femenia Castella, B.; Fernandes, J.; Ferro Rodriguez, I; Figueroa, I; Fletcher, L.; Franco Ordovas, A.; Gafeira, R.; Gardenghi, R.; Gelly, B.; Giorgi, F.; Gisler, D.; Giovannelli, L.; Gonzalez, F.; Gonzalez, J. B.; Gonzalez-Cava, J. M.; Gonzalez Garcia, M.; Gomory, P.; Gracia, F.; Grauf, B.; Greco, V; Grivel, C.; Guerreiro, N.; Guglielmino, S. L.; Hammerschlag, R.; Hanslmeier, A.; Hansteen, V; Heinzel, P.; Hernandez-Delgado, A.; Hernandez Suarez, E.; Hidalgo, S. L.; Hill, F.; Hizberger, J.; Hofmeister, S.; Jagers, A.; Janett, G.; Jarolim, R.; Jess, D.; Jimenez Mejias, D.; Jolissaint, L.; Kamlah, R.; Kapitan, J.; Kasparova, J.; Keller, C. U.; Kentischer, T.; Kiselman, D.; Kleint, L.; Klvana, M.; Kontogiannis, I; Krishnappa, N.; Labrosse, N.; Lagg, A.; Degl'Innocenti, E. Landi; Langlois, M.; Lafon, M.; Laforgue, D.; Le Men, C.; Lepori, B.; Lepreti, F.; Lindberg, B.; Lilje, P. B.; Ariste, A. Lopez; Lopez Fernandez, V. A.; Lopez Jimenez, A. C.; Lopez Lopez, R.; Sainz, R. Manso; Marassi, A.; Marco de la Rosa, J.; Marino, J.; Marrero, J.; Martin, A.; Martin Galvez, A.; Martin Hernando, Y.; Masciadri, E.; MartinezGonzalez, M.; Matta-Gomez, A.; Mato, A.; Mathioudakis, M.; Matthews, S.; Mein, P.; Merlos Garcia, F.; Moity, J.; Montilla, I; Molinaro, M.; Molodij, G.; Montoya, L. M.; Munari, M.; Murabito, M.; Nunez Cagigal, M.; Oliviero, M.; Orozco Suarez, D.; Ortiz, A.; Padilla-Hernandez, C.; Paez Mana, E.; Paletou, F.; Pancorbo, J.; Pastor Canedo, A.; Yabar, A. Pastor; Peat, A. W.; Pedichini, F.; Peixinho, N.; Penate, J.; Perez de Taoro, A.; Peter, H.; Petrovay, K.; Piazzesi, R.; Pietropaolo, E.; Pleier, O.; Poedts, S.; Potzi, W.; Podladchikova, T.; Prieto, G.; Quintero Nehrkorn, J.; Ramelli, R.; Ramos Sapena, Y.; Rasilla, J. L.; Reardon, K.; Rebolo, R.; Regalado Olivares, S.; Reyes Garcia-Talavera, M.; Riethmuller, T. L.; Rimmele, T.; Rodriguez Delgado, H.; Rodriguez Gonzalez, N.; Rodriguez-Losada, J. A.; Rodriguez Ramos, L. F.; Romano, P.; Roth, M.; vander Voort, L. Rouppe; Rudawy, P.; Ruiz de Galarreta, C.; Rybak, J.; Salvade, A.; Sanchez-Capuchino, J.; Sanchez Rodriguez, M. L.; Sangiorgi, M.; Sayede, F.; Scharmer, G.; Scheiffelen, T.; Schmidt, W.; Schmieder, B.; Scire, C.; Scuderi, S.; Siegel, B.; Sigwarth, M.; Simoes, P. J. A.; Snik, F.; Sliepen, G.; Sobotka, M.; Socas-Navarro, H.; Sola La Serna, P.; Solanki, S. K.; Soler Trujillo, M.; Soltau, D.; Sordini, A.; Sosa Mendez, A.; Stangalini, M.; Steiner, O.; Stenflo, J. O.; Stepan, J.; Strassmeier, K. G.; Sudar, D.; Suematsu, Y.; Sutterlin, P.; Tallon, M.; Temmer, M.; Tenegi, F.; Tritschler, A.; Trujillo Bueno, J.; Turchi, A.; Utz, D.; van Harten, G.; VanNoort, M.; van Werkhoven, T.; Vansintjan, R.; Vaz Cedillo, J. J.; Vega Reyes, N.; Verma, M.; Veronig, A. M.; Viavattene, G.; Vitas, N.; Vogler, A.; von der Luhe, O.; Volkmer, R.; Waldmann, T. A.; Walton, D.; Wisniewska, A.; Zeman, J.; Zeuner, F.; Zhang, L. Q.; Zuccarello, F.; Collados, M.
    The European Solar Telescope (EST) is a project aimed at studying the magnetic connectivity of the solar atmosphere, from the deep photosphere to the upper chromosphere. Its design combines the knowledge and expertise gathered by the European solar physics community during the construction and operation of state-of-the-art solar telescopes operating in visible and near-infrared wavelengths: the Swedish 1m Solar Telescope, the German Vacuum Tower Telescope and GREGOR, the French Telescope Heliographique pour l'etude du Magnetisme et des Instabilites Solaires, and the Dutch Open Telescope. With its 4.2 m primary mirror and an open configuration, EST will become the most powerful European ground-based facility to study the Sun in the coming decades in the visible and near-infrared bands. EST uses the most innovative technological advances: the first adaptive secondary mirror ever used in a solar telescope, a complex multi-conjugate adaptive optics with deformable mirrors that form part of the optical design in a natural way, a polarimetrically compensated telescope design that eliminates the complex temporal variation and wavelength dependence of the telescope Mueller matrix, and an instrument suite containing several (etalon-based) tunable imaging spectropolarimeters and several integral field unit spectropolarimeters. This publication summarises some fundamental science questions that can be addressed with the telescope, together with a complete description of its major subsystems.
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    Three Radial Gaps in the Disk of TW Hydrae Imaged with SPHERE
    (2017) Van Boekel, R.; Henning, Th.; Menu, J.; De Boer, J.; Langlois, M.; Müller, A.; Avenhaus, H.; Boccaletti, A.; Schmid, H. M.; Gómez-Lobo, Alfonso