Spatially resolved accretion-ejection in compact binaries with GRAVITY

IF 0.3 Q4 COMMUNICATION Jurnal The Messenger Pub Date : 2019-12-01 DOI:10.18727/0722-6691/5169

R. Abuter, M. Accardo, T. Adler, A. Amorim, N. Anugu, G. Ávila, M. Bauböck, M. Benisty, J. Berger, J. Bestenlehner, H. Beust, N. Blind, M. Bonnefoy, H. Bonnet, P. Bourget, J. Bouvier, W. Brandner, R. Brast, A. Buron, L. Burtscher, F. Cantalloube, A. C. O. Garatti, P. Caselli, F. Cassaing, F. Chapron, B. Charnay, É. Choquet, Y. Clénet, C. Collin, V. C. Foresto, R. Davies, C. Deen, F. Delplancke-Ströbele, R. Dembet, F. Dérie, W. D. Wit, J. Dexter, T. Zeeuw, C. Dougados, G. Dubus, G. Duvert, M. Ebert, A. Eckart, F. Eisenhauer, M. Esselborn, F. Eupen, P. Fédou, M. Ferreira, G. Finger, N. F. Schreiber, F. Gao, C. G. Dabo, R. G. López, P. Garcia, E. Gendron, R. Genzel, O. Gerhard, J. Gil, S. Gillessen, F. Gonté, P. Gordo, D. Gratadour, A. Greenbaum, R. Grellmann, U. Grözinger, P. Guajardo, S. Guieu, M. Habibi, P. Haguenauer, O. Hans, X. Haubois, M. Haug, F. Haussmann, T. Henning, S. Hippler, S. Hönig, M. Horrobin, A. Huber, Z. Hubert, N. Hubin, C. Hummel, G. Jakob, A. Janssen, A. Rosales, L. Jochum, L. Jocou, J

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Abstract

The Messenger 178 – Quarter 4 | 2019 hole and are consistent with a small region of heated electrons (a “hot spot”), moving in an orbit around the black hole. The GRAVITY observations also revealed changes in the polarisation angle over the course of the flare. In particular, as the centroid of the emission region completes one orbit around the black hole, the polarisation angle also makes a single loop. These polarisation measurements indicate the presence of a strong magnetic field in the immediate vicinity of the black hole and might indicate a magnetic origin of the flare. What’s next?

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重力作用下致密双星的空间分辨吸积-喷射

信使号178 - Quarter 4 | 2019黑洞和一个加热电子的小区域(一个“热点”)是一致的，在黑洞周围的轨道上运动。重力观测还揭示了在耀斑过程中偏振角的变化。特别是，当发射区的质心绕黑洞完成一个轨道时，极化角也会形成一个单圈。这些偏振测量表明，在黑洞附近存在一个强磁场，并可能表明耀斑的磁源。接下来是什么?

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Jurnal The Messenger COMMUNICATION-

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