The ExoGRAVITY project: Using single mode interferometry to characterize exoplanets
- Lacour, S.
- Wang, J. J.
- Nowak, M.
- Pueyo, L.
- Eisenhauer, F.
- Lagrange, A.-M.
- Mollière, P.
- Abuter, R.
- Amorin, A.
- Asensio-Torres, R.
- Bauböck, M.
- Benisty, M.
- Berger, J. P.
- Beust, H.
- Blunt, S.
- Boccaletti, A.
- Bohn, A.
- Bonnefoy, M.
- Bonnet, H.
- Brandner, W.
- Cantalloube, F.
- Caselli, P.
- Charnay, B.
- Chauvin, G.
- Choquet, E.
- Christiaens, V.
- Clénet, Y.
- Cridland, A.
- De Zeeuw, P. T.
- Dembet, R.
- Dexter, J.
- Drescher, A.
- Duvert, G.
- Gao, F.
- Garcia, P.
- Garcia Lopez, R.
- Gardner, T.
- Gendron, E.
- Genzel, R.
- Gillessen, S.
- Girard, J. H.
- Haubois, X.
- Heißel, G.
- Henning, T.
- Hinkley, S.
- Hippler, S.
- Horrobin, M.
- Houllé, M.
- Hubert, Z.
- Jiménez-Rosales, A.
- Jocou, L.
- Kammerer, J.
- Keppler, M.
- Kervella, P.
- Kreidberg, L.
- Lapeyrère, V.
- Le Bouquin, J.-B.
- Léna, P.
- Lutz, D.
- Maire, Anne-Lise
- Mérand, A.
- Monnier, J. D.
- Mouillet, D.
- Muller, André
- Nasedkin, E.
- Ott, T.
- Otten, G. P. P. L.
- Paladini, C.
- Paumard, T.
- Perraut, K.
- Perrin, G.
- Pfuhl, O.
- Rameau, J.
- Rodet, L.
- Rodriguez-Coira, G.
- Rousset, G.
- Shangguan, J.
- Shimizu, T.
- Stadler, J.
- Straub, O.
- Straubmeier, C.
- Sturm, E.
- Stolker, T.
- Van Dishoeck, E. F.
- Vigan, A.
- Vincent, F.
- Von Fellenberg, S. D.
- Ward-Duong, K.
- Widmann, F.
- Wieprecht, E.
- Wiezorrek, E.
- Woillez, J.
- Tuthill, P. G.
- Merand, A.
- Sallum, S.
DOIAbstract
peer reviewedCombining adaptive optics and interferometric observations results in a considerable contrast gain compared to single-telescope, extreme AO systems. Taking advantage of this, the ExoGRAVITY project is a survey of known young giant exoplanets located in the range of 0.1"to 2"from their stars. The observations provide astrometric data of unprecedented accuracy, being crucial for refining the orbital parameters of planets and illuminating their dynamical histories. Furthermore, GRAVITY will measure non-Keplerian perturbations due to planet-planet interactions in multi-planet systems and measure dynamical masses. Over time, repetitive observations of the exoplanets at medium resolution (R = 500) will provide a catalogue of K-band s...
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