Images at the Highest Angular Resolution with GRAVITY: The Case of η Carinae

Ávila, G.; de Wit, W.-J.; de Zeeuw, T.; Greenbaum, A.; Grellmann, R.; Grözinger, U.; Guajardo, P.; Guieu, S.; Habibi, M.; Haguenauer, P.; Hans, O.; Haubois, X.; Haug, M.; Haußmann, F.; Henning, T.; Hippler, S.; Hönig, S. F.; Horrobin, M.; Huber, A.; Hubert, Z.; Hubin, N.; Hummel, C. A.; Jakob, G.; Janssen, A.; Jimenez Rosales, A.; Jochum, L.; Jocou, L.; Kammerer, J.; Karl, M.; Kaufer, A.; Kellner, S.; Kendrew, S.; Kern, L.; Kervella, P.; Kiekebusch, M.; Kishimoto, M.; Klarmann, L.; Klein, R.; Köhler, R.; Kok, Y.; Abuter, R.; Kolb, J.; Accardo, M.; Koutoulaki, M.; Adler, T.; Kulas, M.; Amorim, A.; Labadie, L.; Lacour, S.; Anugu, N.; Lagrange, A.-M.; Bauböck, M.; Lapeyrère,; Benisty, M.; Laun, W.; Berger, J.-P.; Lazareff, B.; Bestenlehner, J. M.; Le Bouquin, J.-B.; Beust, H.; Léna, P.; Blind, N.; Lenzen, R.; Bonnefoy, M.; Lévêque, S.; Bonnet, H.; Lin, C.-C.; Bourget, P.; Lippa, M.; Bouvier, J.; Lutz, D.; Brandner, W.; Magnard, Y.; Brast, R.; Maire, A.-L.; Buron, A.; Mehrgan, L.; Burtscher, L.; Mérand, A.; Cantalloube, F.; Millour, F.; Caratti O. Garatti, A.; Mollière, P.; Caselli, P.; Moulin, T.; Cassaing, F.; Müller, A.; Chapron, F.; Müller, E.; Charnay, B.; Müller, F.; Choquet, É.; Netzer, H.; Clénet, Y.; Neumann, U.; Collin, C.; Nowak, M.; Du Foresto, Coudé; Gravity, Collaboration; Oberti, S.; Davies, R.; Ott, T.; Deen, C.; Pallanca, L.; Delplancke-Ströbele, F.; Panduro, J.; Dembet, R.; Pasquini, L.; Derie, F.; Paumard, T.; Dexter, J.; Percheron, I.; Perraut, K.; Dougados, C.; Perrin, G.; Dubus, G.; Peterson, B. M.; Duvert, G.; Petrucci, P.-O.; Ebert, M.; Pflüger, A.; Eckart, A.; Pfuhl, O.; Eisenhauer, F.; Phan Duc, T.; Esselborn, M.; Pineda, J. E.; Eupen, F.; Plewa, P. M.; Fédou, P.; Popovic, D.; Ferreira, M. C.; Pott, J.-U.; Finger, G.; Prieto, A.; Förster Schreiber, N. M.; Pueyo, L.; Gao, F.; Rabien, S.; García Dabó, C. E.; Ramírez, A.; Garcia Lopez, R.; Ramos, J. R.; Garcia, P. J.; Rau, C.; Gendron, É.; Ray, T.; Genzel, R.; Riquelme, M.; Gerhard, O.; Rodríguez-Coira, G.; Gil, J. P.; Rohloff, R.-R.; Gillessen, S.; Rouan, D.; Gonté, F.; Rousset, G.; Gordo, P.; Sanchez-Bermudez, J.; Gratadour, D.; Schartmann, M.; Scheithauer, S.; Schöller, M.; Schuhler, N.; Segura-Cox, D.; Shangguan, J.; Shimizu, T. T.; Spyromilio, J.; Sternberg, A.; Stock, M. R.; Straub, O.; Straubmeier, C.; Sturm, E.; Suárez Valles, M.; Tacconi, L. J.; Thi, W.-F.; Tristram, K. R. W.; Valenzuela, J. J.; van Boekel, R.; van Dishoeck, E. F.; Vermot, P.; Vincent, F.; von Fellenberg, S.; Waisberg, I.; Wang, J. J.; Wank, I.; Weber, J.; Weigelt, G.; Widmann, F.; Wieprecht, E.; Wiest, M.; Wiezorrek, E.; Wittkowski, M.; Woillez, J.; Wolff, B.; Yang, P.; Yazici, S.; Ziegler, D.; Zins, G.

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Published in The Messenger vol. 178, (pp. 31-33), p. December 2019., 2019

DOI: 10.18727/0722-6691/5170

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Images at the Highest Angular Resolution with GRAVITY: The Case of η Carinae

Journal article published in 2019 by G. Ávila, W.-J. de Wit, T. de Zeeuw, A. Greenbaum, R. Grellmann, U. Grözinger, P. Guajardo, S. Guieu, M. Habibi, P. Haguenauer, O. Hans, X. Haubois, M. Haug, F. Haußmann, T. Henning and other authors.

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Abstract

The main goal of an interferometer is to probe the physics of astronomical objects at the highest possible angular resolution. The most intuitive way of doing this is by reconstructing images from the interferometric data. GRAVITY at the Very Large Telescope Interferometer (VLTI) has proven to be a fantastic instrument in this endeavour. In this article, we describe the reconstruction of the wind-wind collision cavity of the massive binary η Car with GRAVITY across two spectral lines: HeI and Brγ.

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Images at the Highest Angular Resolution with GRAVITY: The Case of η Carinae

Abstract