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Paper: Spectroscopic Studies of Exoplanets. Radial Velocities
Volume: 518, Physics of Magnetic Stars
Page: 213
Authors: Panchuk, V. E.; Klochkova, V. G.; Sachkov, M. E.
Abstract: Every new astronomical experiment is based on preliminary initial data on predicted observational results. The task of exoplanet search was based on the Solar system structure characteristics: astronomers used methods to find a Jupiter-like planet in a Solar-like stellar system. With the help of spectroscopic methods several giant planets around stars were successfully detected and their rotational periods were estimated of orders of several days. In fact, astronomers developed tools suitable for such a discovery about quarter of century before exoplanet detection. Hence, the exoplanet detection via radial velocity measurements, the one of the main observational astronomical discovery, could take place many years earlier. The program of spectroscopic study of exoplanet and exoplanetary atmospheres are among strong science drivers for new ground- and space-based telescope construction as well as for a new stellar spectroscopy techniques design. One of the main reasons to stabilize modern astronomical spectrographs is caused by necessity of long period monitoring of exoplanet. To expand the statistics of Doppler characteristics of exoplanets, multi-object methods are developed. The study of small spectral effects (at the level of 10–4–10–5 of the registered signal) allows us to study planetary atmospheres. Numerical modelling allows us to obtain new results by using archival data. Here we collect the detail information on the selected Russian equipment focused on spectroscopy and spectropolarimetry of stars.
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