Understand and correct for the low wind effect on the SPHERE and GRAVITY+ adaptive optics

Autor: Pourré, Nicolas, Le Bouquin, Jean-Baptiste, Milli, Julien, Sauvage, Jean-François, Fusco, Thierry, Correia, Carlos, Oberti, Sylvain

Publikováno v: SPIE Astronomical Telescopes + Instrumentation
SPIE Astronomical Telescopes + Instrumentation, Jul 2022, Montréal, Canada. pp.201, ⟨10.1117/12.2629793⟩

International audience; The low wind effect is responsible for uncorrected aberrations that reduce the contrast of exoplanet observations during the nights where the atmospheric conditions are the best. This effect arises at the aperture of 8 meter t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::367d8460c296e40483ee41c697731923
https://doi.org/10.1117/12.2629793

Imageur à haut contraste pour les télescopes à ouverture complexe (HICAT) : 8. Démonstration de Dark Zone avec boucles fermées simultanées à bas ordres

Autor: Rémi Soummer, Emiel H. Por, Raphaël Pourcelot, Susan F. Redmond, Iva Laginja, Scott D. Will, Marshall D. Perrin, Laurent Pueyo, Ananya Sahoo, Peter Petrone, Keira J. Brooks, Rachel Fox, Alex Klein, Bryony Nickson, Thomas Comeau, Marc Ferrari, Rob Gontrum, John Hagopian, Lucie Leboulleux, Daniel Leongomez, Joe Lugten, Laurent M. Mugnier, Mamadou N'Diaye, Meiji Nguyen, James Noss, Jean-François Sauvage, Nathan Scott, Anand Sivaramakrishnan, Hari B. Subedi, Sam Weinstock

Publikováno v: Proceedings of SPIE
SPIE Astronomical Telescopes + Instrumentation
SPIE Astronomical Telescopes + Instrumentation, Jul 2022, Montréal, Canada. ⟨10.1117/12.2630444⟩

International audience; We present recent laboratory results demonstrating high-contrast coronagraphy for the future space-based large IR/Optical/Ultraviolet telescope recommended by the Decadal Survey. The High-contrast Imager for Complex Aperture T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62beb2728699711ff399e0928e4cb3bf
https://hal.science/hal-03935132

Investigation of the inner structures around HD169142 with VLT/SPHERE

Autor: A. Pohl, Th. Henning, S. Peretti, Matthias Samland, Myriam Benisty, Sascha P. Quanz, Francois Menard, Anne-Lise Maire, J. de Boer, L. Weber, Philippe Delorme, Daniela Fantinel, Julien Girard, Ch. Ginski, Anthony Cheetham, Arthur Vigan, Paola Pinilla, Tomas Stolker, T. Fusco, Raphaël Galicher, T. Kopytova, Roxanne Ligi, Raffaele Gratton, Gael Chauvin, Silvano Desidera, Cecile Gry, Francois Wildi, Thibaut Moulin, Zahed Wahhaj, Markus Janson, M. Cudel, Beth Biller, Anne-Marie Lagrange, Marcos Suarez, H. LeCoroller, E. Sissa, M. Bonnefoy, M. Kasper, Joany Andreina Manjarres Ramos, C. Perrot, Maud Langlois, Dino Mesa, Tristan Buey, Michael Meyer, M. Feldt, A. Boccaletti, Alice Zurlo, J. L. Beuzit, M. Jaquet, D. Rouan

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2018, 473 (2), pp.1774-1783. ⟨10.1093/mnras/stx2318⟩
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2018, 473, page 1774-1783. ⟨10.1093/mnras/stx2318⟩
HAL
Monthly Notices Of The Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2018, 473 (2), pp.1774-1783. ⟨10.1093/mnras/stx2318⟩
Monthly Notices of the Royal Astronomical Society, 473(2), 1774-1783
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2018, 473, page 1774-1783

We present observations of the Herbig Ae star HD169142 with VLT/SPHERE instruments InfraRed Dual-band Imager and Spectrograph (IRDIS) ($K1K2$ and $H2H3$ bands) and the Integral Field Spectrograph (IFS) ($Y$, $J$ and $H$ bands). We detect several brig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e2d5035afee8d2ecbc5e21b19c03a08
https://hal.science/hal-01707082/file/DOTA17176.1516111046_postprint.pdf

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system

Autor: Zurlo, A., Vigan, Arthur, Galicher, R., Maire, A.L., Mesa, D., Gratton, R., Chauvin, G., Kasper, M., Moutou, C., Bonnefoy, M., Desidera, S., Abe, L., Apai, D., Baruffolo, A., Baudoz, P., Baudrand, J., Beuzit, J.L., Blancard, P., Boccaletti, A., Cantalloube, F., Carle, M., Cascone, E., Charton, P., Claudi, R.U., Costille, A., De Caprio, V., Dohlen, K., Dominik, C., Fantinel, D., Feautrier, P., Feldt, M., Fusco, T., Gigan, P., Girard, J.H., Gisler, D., Gluck, L., Gry, C., Henning, T., Hugot, E., Janson, M., Jaquet, M., Lagrange, A.M., Langlois, M., Llored, M., Madec, F., Magnard, Y., Martinez, P., Maurel, D., Mawet, D., Meyer, M.R., Milli, J., Moeller-Nilsson, O., Mouillet, D., Origné, A., Pavlov, A., Petit, C., Puget, P., Quanz, S.P., Rabou, P., Ramos, J., Rousset, G., Roux, A., Salasnich, B., Salter, G., Sauvage, J.F., Schmid, H.M., Soenke, C., Stadler, E., Suarez, M., Turatto, M., Udry, S., F., Vakili, Wahhaj, Z., Wildi, F., Antichi, J.

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2016, 587 (A57), p. 1-13. ⟨10.1051/0004-6361/201526835⟩
Astronomy and Astrophysics-A&A, 2016, 587 (A57), p. 1-13. ⟨10.1051/0004-6361/201526835⟩

International audience; Context. The planetary system discovered around the young A-type HR 8799 provides a unique laboratory to: a) test planet formation theories; b) probe the diversity of system architectures at these separations, and c) perform c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d0242851012f30b39c41eb03efb96ea7
https://hal.archives-ouvertes.fr/hal-01490537