V404 CYG/GS 2023+338: Monitoring in the Optical with Robotic Telescopes of the MASTER Global Network during the 2015 Superburst

V. M. Lipunov; A. S. Kuznetsov; E. S. Gorbovskoy; V. G. Kornilov; N. V. Tyurina; V. V. Vladimirov; V. V. Krushinskiy; I. S. Zalozhnykh; D. M. Vlasenko; D. S. Zimnukhov; P. V. Balanutsa; A. Gabovich; N. I. Shakura; F. Giovanelli; L. G. Titarchuk; D. A. H. Buckley; O. Gress; N. Budnev; R. Rebolo; M. Serra-Ricart; A. G. Tlatov; V. A. Senik; V. V. Yurkov; O. Ershova; V. G. Grinshpun; Yu. V. Ishmukhametova

doi:10.1134/S1063772919070059

V404 CYG/GS 2023+338: Monitoring in the Optical with Robotic Telescopes of the MASTER Global Network during the 2015 Superburst

作者: Lipunov V.M.¹^,2, Kuznetsov A.S.¹, Gorbovskoy E.S.¹, Kornilov V.G.¹, Tyurina N.V.¹, Vladimirov V.V.¹, Krushinskiy V.V.³, Zalozhnykh I.S.³, Vlasenko D.M.¹^,2, Zimnukhov D.S.¹, Balanutsa P.V.¹, Gabovich A.¹^,4, Shakura N.I.¹, Giovanelli F.⁵, Titarchuk L.G.¹^,6, Buckley D.A.⁷, Gress O.¹^,8, Budnev N.⁸, Rebolo R.⁹, Serra-Ricart M.⁸, Tlatov A.G.¹⁰, Senik V.A.¹, Yurkov V.V.¹⁰, Ershova O.⁷, Grinshpun V.G.², Ishmukhametova Y.V.⁸
隶属关系:
1. Sternberg Astronomical Institute
2. Physics Department
3. Kourovka Astronomical Observatory
4. Blagoveshchensk State Pedagogical University
5. Institute Nationale di Astrofisica
6. Ferrara University
7. South African Astronomical Observatory (SAAO)
8. Irkutsk State University, Applied Physics Institute
9. Instituto de Astrofísica de Canarias
10. Kislovodsk Solar Station of the Main (Pulkovo) Observatory
期: 卷 63, 编号 7 (2019)
页面: 534-549
栏目: Article
URL: https://ogarev-online.ru/1063-7729/article/view/192954
DOI: https://doi.org/10.1134/S1063772919070059
ID: 192954

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2070 unique, homogeneous photometric and polarization observations of the microquasar in a binary system with a black hole V404 Cyg/GS2023+338 obtained in 2015 with the MASTER global network of robotic telescopes (16 robotic telescopes located at eight points on the Earth in Russia, Spain, South Africa, and Argentina) are presented. MASTER was the first telescope network to obtain optical observations of the microquasar after its gamma-ray outburst in 2015. Observations were carried out from 18:34:09 UT on June 15, 2015 until December 2015 in four polarizations and in the four standard BV RI filters. The paper presents the results of these observations and a comparative analysis of optical and X-ray data. The observations confirm the previously discovered super-long delays of the optical radiation relative to the X-ray outbursts. Possible mechanisms causing the delay in the optical variations relative to the X-ray variations are discussed. Variability of the optical polarization discovered earlier is confirmed another similar episode reported.

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V404 CYG/GS 2023+338: Monitoring in the Optical with Robotic Telescopes of the MASTER Global Network during the 2015 Superburst

全文:

详细

作者简介

V. Lipunov

A. Kuznetsov

E. Gorbovskoy

V. Kornilov

N. Tyurina

V. Vladimirov

V. Krushinskiy

I. Zalozhnykh

D. Vlasenko

D. Zimnukhov

P. Balanutsa

A. Gabovich

N. Shakura

F. Giovanelli

L. Titarchuk

D. Buckley

O. Gress

N. Budnev

R. Rebolo

M. Serra-Ricart

A. Tlatov

V. Senik

V. Yurkov

O. Ershova

V. Grinshpun

Yu. Ishmukhametova

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