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The Detection and Investigation of Exoplanets with MASTER Global Network Telescopes
Buckley, D. A. H.; Lipunov, V. M.; Budnev, N. M. +13 more
The paper presents the method for detecting exoplanets in the image archive obtained by telescopes of the MASTER Global Network since 2002. The unique archive represents homogeneous photometric data obtained over 20 years for the northern (MASTER-Amur, MASTER-Tunka, MASTER-Kislovodsk, M-ASTER-Tavrida, MASTER-IAC, MASTER-OAGH) and 11 years for the …
Study of Solar Motion and Galactic Kinematical Characteristics Using Recent Gaia Data
Elsanhoury, W. H.; Ayari, N.
Our objective is to construct models of the velocity ellipsoid and the retrieved Solar motion for program stars with 4924 points within the Solar neighborhood (∼2 kpc). In which 1374 early types (B5, A0, A5, F0, and F5) and about 3550 late types (G0, G5, K0, and K5) with more recent data source with Gaia DR3. Based on space velocity vectors $(\bar…
Is the Young Star Association ϵ Cha Double?
Bobylev, V. V.; Bajkova, A. T.
The kinematics of the ϵ Cha young stellar association close to the Sun has been studied based on a list of candidate stars from the Dickson-Vandervelde et al. work. The working sample consists of 26 stars with parallaxes, proper motions from the Gaia DR3 catalog and radial velocities taken from literary sources. The orbits of the stars back to the…
Unresolved Binary Systems with White Dwarfs in Open Star Clusters
Seleznev, A. F.; Mikhnevich, V. O.
We investigate unresolved binary systems with components of main sequence star (MS) and white dwarf (WD) in nine open clusters. These systems are located below and to the left of the main sequence on the color-magnitude diagram. We compare the number of cluster stars that have likely evolved into white dwarfs with the number of candidates for unre…
Kinematics of Fainst Stars of the Sco-Cen Association According to Gaia Catalog
Bobylev, V. V.; Bajkova, A. T.
The kinematic properties of the Sco-Cen association have been studied using the spatial velocities of young stars. New kinematic age estimates for the three components of the association with the age of UCL and LCC being