Natalia Tyurina Behalf of the MASTER-team Sternberg Astronomical Institue GRB Folow-up optical observations By MASTER 2002-2008.

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Natalia Tyurina Behalf of the MASTER-team Sternberg Astronomical Institue GRB Folow-up optical observations By MASTER Workshop on Robotic Autonomous Observatories, Málaga, Spain, May 2009

Ученые МГУ и космические исследования 2009

ГАММА ВСПЛЕСКИ

GCN Sites Optical robot-teleskopes: GROCSE (LLNL & U.Mich.) LOTIS (LLNL & Clemson) ROTSE TAROT LOTOSS/KAIT ETC (MIT) NEAT The BRADFORD telescope (U.of Bradford, England) Wyoming IR Obs (S.Howell) LONEOS Beijing Xinglong Observatory BOOTES (Spain, Castro-Tirado) APT (Australia) NYTT (Finland) ASAS MERCATOR (La Palma) REM (Italy) BART (Czech Rep.) MASTER (Russia) Grove Creek Obs (Australia)

Moscow-Vostryakovo Since Телескоп модифицированной системы Рихтера-Слефогта, D=355 мм D/F=2.3 приемник – ПЗС Apogee Alta U16 поле зрения 6 квадратных градусов

MASTER in Winter Ученые МГУ и космические исследования 2009

MASTER MOSCOW- VOSTRYKOVO Very bad astro climate 2 км от аэропорта (засветка) Less than 70 nights per yr (most in summer – белые ночи) Плюс только в том, что близко от Москвы, что позволило не имея средств автоматизировать телескоп и главное написать софт Ученые МГУ и космические исследования 2009

Поле зрения Одно из первых изображений, полученных на телескопе системы Рихтера-Слефогта (355мм) с большой матрицей AP16E (2003 год) Снимок, сделанный ROTSE III MASTERROTSEMASTERROTSE

Как работает МАСТЕР «алертный» режим

GRB Ученые МГУ и космические исследования 2009

Starting at the beginning of 2005, the Moscow-Vostryakovo MASTER station carried out observations of 31 GRBs (Table 2). In 16 cases, we obtained the first upper limits on the optical fluxes of the GRBs, i.e., fluxes brighter than which no optical candidate for the GRB was detected. Ученые МГУ и космические исследования 2009

GRB Ученые МГУ и космические исследования 2009

GRB Optical flare discovery Lipunov et al., 2007ARep.,Vol. 51, p.1004 MASTER robotic system ( responded to GRB (Holland et al., GCN Circ 5612) under the good conditions (V. Lipunov et al., GCN Circ 5632). The first image was started at :49:57 UT, 76 s after the GRB time (355 mm telescope, 6 square degrees FOV, 2.1'' per pix, CCD Alta U16). The unfiltered image is calibrated relative to USNO A2.0 (0.8 R B). We find (Lipunov et al., GCN5632) faint OT on the first and on the coadded images at position: aplha = dec = err = '' wich coincided with the Holland et al.(GCN Circ 5612) OT position. Ученые МГУ и космические исследования 2009

Первый кадр GRB полученный на робот телескопе МАСТЕР GRB060926

Ученые МГУ и космические исследования 2009 GRB Optical-X-ray spectra power low determination The X-ray spectrum covering the time period from T+67s to T+878s is well fit by an absorbed power-law with a photon index of 2.1(+/-0.3) and column density of (2.2+/- 0.9)e21 cm**-2 (Swift, M. Perri et al., GCN 5622). They note the Galactic column density in the direction of the source is 7.3e20 cm**-2. This means that absorbtion is about 1 magnitude in our band. The optical-xray data is well fit by power-low with a photon index of during all our time observation.

GRB

Discovery of an optical flare from GRB by the MASTER robotic telescope: Possible formation of a marginally rotating black hole 2008AstL L The MASTER robotic telescope has obtained the first optical images of GRB We have discovered an optical flare from GRB , a recurrent brightening that closely follows its behavior in the X-ray range. We have determined the spectral slope for GRB from the X-ray to optical range in the first minutes. Based on the spinar model, we show that the parameters of the optical and X-ray flares suggest that the gamma-ray burst resulted from the core collapse of a 7 M star with an initial effective Kerr parameter of 7.6 and an initial magnetic-to-gravitational energy ratio of 10 ‑ 4. Ученые МГУ и космические исследования 2009

The model parameters: 1) Specific Kerr parameter 2) Magnetic Gravitational energy ratio A B C D BHBH NSNS M=7M sun, a 0 =7.6 и α m =10 -4 Theoretical interpretation:Spinar Model for GRB (Lipunov & Gorbovskoy, 2007, ApJ.,665L.,97L)

THE SHORT BURST GRB — A SOFT GAMMA-RAY REPEATER IN THE GALAXY M81? MASTER robotic system ( responded to GRB (GRB_TIME is :25:43.785, S. Golenetskii et al., GCN4197) at several minutes after GCN Circ4197 time (GCN4198). The first image (6 square degrees) was at :55:47 UT, 2 days 10:30: after the GRB time. We have 36 images with total exposition 1080 s between 19:55: :45:17 on 6 square degrees area. The robot not find OT-candidate in IPN error box. Ученые МГУ и космические исследования 2009

“Triangulation” Short burst GRB Ученые МГУ и космические исследования 2009

Обзор неба гг.: обработанных в реальном времени изображений

Основные элементы Изготавливаются Московским Объединением «Оптика» Широкопольный телескоп-робот МАСТЕР II (D=400mm) 1200 кв.гр. за 1 час до 17 зв. вел.. Роботизированная камера сверхширого поля МАСТЕР VWF 1000 кв.гр. до 12 зв.величины за 1 с.

МАСТЕР ГАИШ МГУ Декабрь, 2008 December Dream in iron

Ученые МГУ и космические исследования 2009

Первые результаты наблюдений на комплексе МАСТЕР Комета Лулин Февраль, 2008 Видны газовые струи, выброшенные по ходу движения кометы

МАСТЕР II - Урал ноябрь 2008 г. МАСТЕР II 1200 кв.гр. в час до 16 зв.вел.

Ученые МГУ и космические исследования 2009

МАСТЕР-СЕТЬ