Spatially Resolving the Inner Gaseous Disc of the Herbig Star 51 Oph through its CO Ro-vibration Emission

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. 40-42), p. December 2019., 2019

DOI: 10.18727/0722-6691/5174

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Spatially Resolving the Inner Gaseous Disc of the Herbig Star 51 Oph through its CO Ro-vibration Emission

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

Near-infrared interferometry gives us the opportunity to spatially resolve the circumstellar environment of young stars at sub-astronomical-unit (au) scales, which a standalone telescope could not reach. In particular, the sensitivity of GRAVITY on the VLTI allows us to spatially resolve the CO overtone emission at 2.3 microns. In this article, we present a new method of using the model of the CO spectrum to reconstruct the differential phase signal and extract the geometry and size of the emitting region.

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Spatially Resolving the Inner Gaseous Disc of the Herbig Star 51 Oph through its CO Ro-vibration Emission

Abstract