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A global network of small automated telescopes, the Taiwan Automated Telescope (TAT) network, dedicated to photometric measurements of stellar pulsations, is under construction. Two telescopes have been installed in Teide Observatory, Tenerife, Spain and Maidanak Observatory, Uzbekistan. The third telescope will be installed at Mauna Loa Observator...
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... Each site has installed a 9 cm Questar telescope to provide a variable FOV but it has been set to 0.62 degrees square currently. Images in UBVRI filters can be obtained which are dedicated to photometric measurements of stellar pulsations to study the stellar structure and evolution (Chou et al., 2010). ...
The Burst Observer and Optical Transient Exploring System (BOOTES) was first designed as an asset of autonomous telescopes that started to be deployed in 1998, taking 24 years to be fully developed around the Earth. Nowadays BOOTES has became a global network of robotic telescopes, being the first one present in all continents, as of 2022. Here we present the details of the network and review its achievements over the last two decades regarding follow-up observations of high-energy transient events. Moreover, considering the recent operations of neutrino and gravitational wave detectors, some hot-topic expectations related to robotic astronomy are discussed within the framework of multi-wavelength astrophysics.
This chapter briefly presents the history of Tashkent Astronomical Observatory, the predecessor of the Ulugh Beg Astronomical Institute, which was founded in 1873. It then reviews the major astronomical topics on which the Institute has done research, tracing its progression from an observatory which also played a role in geodesy, seismology, meteorology and related disciplines, to an organization that is active in many areas of modern astrophysics.
We developed a method to improve the conventional differential photometry by using many auxiliary stars to reduce noise in the reference light curve, which is used to calibrate the light curve of the target star. The data used in this study are taken with the Taiwan Automated Telescope network. The light curves of two δ Scuti, HD 163032 and V830 Her, are shown here as examples. The results are compared with four other methods: conventional differential photometry; ensemble photometry; the method of Tamuz, Mazeh, & Zucker; and trend filtering algorithm. The light curve computed with our method is smoother than the other four methods, while preserving the pulsational signals. The mode frequencies determined from the light curve from our method also has a higher S/N and lower error in comparison with other methods.
