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


Дәйексөз келтіру

Толық мәтін

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Аннотация

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.

Авторлар туралы

V. Lipunov

Sternberg Astronomical Institute; Physics Department

Хат алмасуға жауапты Автор.
Email: lipunov2007@gmail.com
Ресей, Moscow, 119991; Moscow, 119234

A. Kuznetsov

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

E. Gorbovskoy

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

V. Kornilov

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

N. Tyurina

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

V. Vladimirov

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

V. Krushinskiy

Kourovka Astronomical Observatory

Email: lipunov2007@gmail.com
Ресей, Ekaterinburg, 620000

I. Zalozhnykh

Kourovka Astronomical Observatory

Email: lipunov2007@gmail.com
Ресей, Ekaterinburg, 620000

D. Vlasenko

Sternberg Astronomical Institute; Physics Department

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991; Moscow, 119234

D. Zimnukhov

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

P. Balanutsa

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

A. Gabovich

Sternberg Astronomical Institute; Blagoveshchensk State Pedagogical University

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991; Blagoveshchensk, 675000

N. Shakura

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

F. Giovanelli

Institute Nationale di Astrofisica

Email: lipunov2007@gmail.com
Италия, Roma

L. Titarchuk

Sternberg Astronomical Institute; Ferrara University

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991; Ferrara

D. Buckley

South African Astronomical Observatory (SAAO)

Email: lipunov2007@gmail.com
ОАР, Cape Town

O. Gress

Sternberg Astronomical Institute; Irkutsk State University, Applied Physics Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991; Irkutsk, 664003

N. Budnev

Irkutsk State University, Applied Physics Institute

Email: lipunov2007@gmail.com
Ресей, Irkutsk, 664003

R. Rebolo

Instituto de Astrofísica de Canarias

Email: lipunov2007@gmail.com
Испания, La Laguna, Tenerife

M. Serra-Ricart

Irkutsk State University, Applied Physics Institute

Email: lipunov2007@gmail.com
Ресей, Irkutsk, 664003

A. Tlatov

Kislovodsk Solar Station of the Main (Pulkovo) Observatory

Email: lipunov2007@gmail.com
Ресей, Kislovodsk, 357700

V. Senik

Sternberg Astronomical Institute

Email: lipunov2007@gmail.com
Ресей, Moscow, 119991

V. Yurkov

Kislovodsk Solar Station of the Main (Pulkovo) Observatory

Email: lipunov2007@gmail.com
Ресей, Kislovodsk, 357700

O. Ershova

South African Astronomical Observatory (SAAO)

Email: lipunov2007@gmail.com
ОАР, Cape Town

V. Grinshpun

Physics Department

Email: lipunov2007@gmail.com
Ресей, Moscow, 119234

Yu. Ishmukhametova

Irkutsk State University, Applied Physics Institute

Email: lipunov2007@gmail.com
Ресей, Irkutsk, 664003

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