Search Results - "Ligi, Roxanne"

Mass, Radius, and Composition of the Transiting Planet 55 Cnc e: Using Interferometry and Correlations by Crida, Aurélien, Ligi, Roxanne, Dorn, Caroline, Lebreton, Yveline

“…The characterization of exoplanets relies on that of their host star. However, stellar evolution models cannot always be used to derive the mass and radius of…”
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Disentangling stellar activity from exoplanetary signals with interferometry by Ligi, Roxanne, Mourard, Denis, Lagrange, Anne-Marie, Perraut, Karine, Chiavassa, Andrea

“…Stellar activity can express as many forms at stellar surfaces: dark spots, convective cells, bright plages. Particularly, dark spots and bright plages add…”
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Statistical tests with multi-wavelength Kernel-phase analysis for the detection and characterization of planetary companions by N'Diaye, Mamadou, Mary, David, Martinache, Frantz, Ligi, Roxanne, Cvetojevic, Nick, Chingaipe, Peter, Laugier, Romain

“…Kernel phase is a method to interpret stellar point source images by considering their formation as the analytical result of an interferometric process. Using…”
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3-beam self-calibrated Kernel nulling photonic interferometer by Cvetojevic, Nick, Martinache, Frantz, Chingaipe, Peter, Laugier, Romain, Ławniczuk, Katarzyna, Broeke, Ronald G, Ligi, Roxanne, N'Diaye, Mamadou, Mary, David

“…The use of interferometric nulling for the direct characterization of extrasolar planets is an exciting prospect, but one that faces many practical challenges…”
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High-contrast detection of exoplanets with a kernel-nuller at the VLTI by Chingaipe, Peter Marley, Martinache, Frantz, Cvetojevic, Nick, Ligi, Roxanne, Mary, David, N'Diaye, Mamadou, Defrere, Denis, Ireland, Michael J

“…A&A 676, A43 (2023) Context: The conventional approach to direct imaging has been the use of a single aperture coronagraph with wavefront correction via…”
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Mass, radius, and composition of the transiting planet 55 Cnc e : using interferometry and correlations by Crida, Aurélien, Ligi, Roxanne, Dorn, Caroline, Lebreton, Yveline

“…The Astrophysical Journal, Volume 860, Issue 2, article id. 122, 12 pp. (2018) The characterization of exoplanets relies on that of their host star. However,…”
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Mass, radius, and composition of the transiting planet 55 Cnc e : using interferometry and correlations --- A quick update by Crida, Aurélien, Ligi, Roxanne, Dorn, Caroline, Borsa, Francesco, Lebreton, Yveline

“…2018, Research Notes of the American Astronomical Society, vol. 2, number 3, 172 In a recent paper (Crida et al. 2018, accepted on April 19), we presented a…”
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Directly Determined Properties of HD 97658 from Interferometric Observations by Ellis, Tyler G, Boyajian, Tabetha, von Braun, Kaspar, Ligi, Roxanne, Mourard, Denis, Dragomir, Diana, Schaefer, Gail H, Farrington, Christopher D

“…We conducted interferometric observations with the CHARA Array of transiting super-Earth host HD 97658 and measured its limb-darkened angular diameter to be…”
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CHARA/SPICA: a 6-telescope visible instrument for the CHARA Array by Mourard, Denis, Berio, Philippe, Pannetier, Cyril, Nardetto, Nicolas, Allouche, Fatme, Bailet, Christophe, Dejonghe, Julien, Geneslay, Pierre, Jacqmart, Estelle, Lagarde, Stéphane, Lecron, Daniel, Morand, Frédéric, Rousseau, Sylvain, Salabert, David, Spang, Alain, Albrecht, Simon, Anugu, Narsireddy, Bourges, Laurent, Brummelaar, Theo A. ten, Creevey, Orlagh, Deheuvels, Sebastien, de Souza, Armando Domiciano, Gies, Doug, Ligi, Roxanne, Mella, Guillaume, Perraut, Karine, Schaefer, Gail, Wittkowski, Markus

“…SPIE Optical and Infrared Interferometry and Imaging VIII, p. 1218308 (2022) With a possible angular resolution down to 0.1-0.2 millisecond of arc using the…”
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From the stellar properties of HD219134 to the internal compositions of its transiting exoplanets by Ligi, Roxanne, Dorn, Caroline, Crida, Aurélien, Lebreton, Yveline, Creevey, Orlagh, Borsa, Francesco, Mourard, Denis, Nardetto, Nicolas, Tallon-Bosc, Isabelle, Morand, Frédéric, Poretti, Ennio

“…A&A 631, A92 (2019) The harvest of exoplanet discoveries has opened the area of exoplanet characterisation. But this cannot be achieved without a careful…”
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K2 Targets Observed with SPHERE/VLT: An M4-7 Dwarf Companion Resolved around EPIC 206011496 by Ligi, Roxanne, Demangeon, Olivier, Barros, Susana, Mesa, Dino, Bonavita, Mariangela, Vigan, Arthur, Bonnefoy, Mickaël, Gratton, Raffaele, Deleuil, Magali

“…The quest to discover exoplanets is one of the most important missions in astrophysics, and is widely performed using the transit method, which allows for the…”
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Planet transit and stellar granulation detection with interferometry by Chiavassa, Andrea, Ligi, Roxanne, Magic, Zazralt, Collet, Remo, Asplund, Martin, Mourard, Denis

“…A&A 567, A115 (2014) Aims. We used realistic three-dimensional (3D) radiative hydrodynamical (RHD) simulations from the Stagger-grid and synthetic images…”
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Radii, masses, and ages of 18 bright stars using interferometry and new estimations of exoplanetary parameters by Ligi, Roxanne, Creevey, Orlagh, Mourard, Denis, Crida, Aurélien, Lagrange, Anne-Marie, Nardetto, Nicolas, Perraut, Karine, Schultheis, Mathias, Tallon-Bosc, Isabelle, Brummelaar, Theo ten

“…A&A 586, A94 (2016) Accurate stellar parameters are needed in numerous domains of astrophysics. The position of stars on the H-R diagram is an important…”
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The operation of VEGA/CHARA : from the scientific idea to the final products by Ligi, Roxanne, Mourard, Denis, Nardetto, Nicolas, Clausse, Jean-Michel

“…Journal of Astronomical Instrumentation, 2013, 2, 1340003 We describe the data flow in the operation of the VEGA/CHARA instrument. After a brief summary of the…”
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Science cases for a visible interferometer by Stee, Philippe, Allard, France, Benisty, Myriam, Bigot, Lionel, Blind, Nicolas, Boffin, Henri, Fernandes, Marcelo Borges, Carciofi, Alex, Chiavassa, Andrea, Creevey, Orlagh, Cruzalebes, Pierre, de Wit, Willem-Jan, de Souza, Armando Domiciano, Elvis, Martin, Fabas, Nicolas, Faes, Daniel, Gallenne, Alexandre, Pena, Carlos Guerrero, Hillen, Michel, Hoenig, Sebastian, Ireland, Michael, Kervella, Pierre, Kishimoto, Makoto, Kostogryz, Nadia, Kraus, Stefan, Labeyrie, Antoine, Bouquin, Jean-Baptiste Le, Lebre, Agnès, Ligi, Roxanne, Marconi, Alessandro, Marsh, Thomas, Meilland, Anthony, Millour, Florentin, Monnier, John, Mourard, Denis, Nardetto, Nicolas, Ohnaka, Keiichi, Paladini, Claudia, Perraut, Karine, Perrin, Guy, Petit, Pascal, Petrov, Romain, Rakshit, Suvendu, Schaefer, Gail, Schneider, Jean, Shulyak, Denis, Simon, Michal, Soulez, Ferreol, Steeghs, Danny, Tallon-Bosc, Isabelle, Tallon, Michel, Brummelaar, Theo ten, Thiebaut, Eric, Thévenin, Frédéric, Van Winckel, Hans, Wittkowski, Markus, Zorec, Juan

“…High spatial resolution is the key for the understanding various astrophysical phenomena. But even with the future E-ELT, single dish instruments are limited…”
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