Abstract
The Burst Observer and Optical Transient Exploring System (BOOTES) is a network of telescopes that allows the continuous monitoring of transient astrophysical sources. It was originally devoted to the study of the optical emissions from gamma-raybursts (GRBs) that occur in the Universe. In this paper we show the initial results obtained using the spectrograph COLORES (mounted on BOOTES-2), when observing optical transients (OTs) of a diverse nature.
Highlights
The majority of the sources visible in the sky have variable emission
It is a spectrograph designed to be lightweight enough to be carried by the high-speed robotic telescope 60 cm (BOOTES-2)
A ≈ 275 s cosmic gamma-ray burst (GRB 130606A) was recorded by Swift and KONUS-Wind on 6th June 2013, 21:04:34 U.T. (T0) [5, 6] displaying a bright afterglow in X-rays, but no apparent optical transient emission [7] in the range of the UVOT telescope aboard Swift
Summary
The majority of the sources visible in the sky have variable emission. Some of them vary in a long timescale compared to the human life. The study of variable sources in the optical regime can be performed from the Earth surface It is a window for the study of many complex physical processes occurring at intermediate space/time scales (see the previous paragraph). Additional observations might be triggered after the transient has been detected with large X-ray/Optical Observatories In this way we can perform deep studies on the nature of these sources. BOOTES (acronym of the Burst Observer and Optical Transient Exploring System) is a world-wide network of robotic telescopes It was originally designed from a Spanish-Czech collaboration that started in 1998 [1, 2]. Acta Polytechnica sized (D = 30–60 cm), autonomous and very versatile They are very well suited for the continuous study of the fast variability from sources of astrophysical origin (Gamma-Ray Bursts — hereafter GRBs, and Optical Transients — hereafter OTs).
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