... 5.Systematic error in normal places due to catalog positions of reference stars Obj Code DT RA (O-C) DEC (O-C) mag z h m s ... Symbols (!) and (!!) point at the probable errors connected with different reference stars used for astrometric reduction.. ...
... were made in such a way as to be observed during 20 years and to guarantee the maximum inclusion of the same stars of list ... Several stars were observed during all period. ...
... 520 580 nm for solar measurements; . 180 1100 nm for positional measurements of bright stars. Integration time: . ... 10 -2 seconds for the measurements of angular distances between bright +2,5 ˜ m b < +6,5 stars (without the mirror light filter ...
... the instrument himself and started investigations of brightest double stars ... time W. Struve was thinking on observations of stars close to the Northern pole and ... his observations with the aim of determining star positions in the sky (declination ...
... In addition, series of latitude variations did not include zenith stars with a very high proper motion and stars with the zenith distance greater than 76°. ...
... star and of the physical processes occurring deeply inside it as well as of energy ... star to its surface and about the nature of processes occurring deeply inside the ...
... and proper motions of components of triple stars from Input Catalogue of HIPPARCOS ... Statistical study of kinematics of triple stars from the program of the Leningrad ...
... Stars: individual: MWC 297, Stars: pre-main sequence, Stars: winds, outflows, Stars ... star, which is further out than the typical value of 0.07 AU suggested for the inner ...
... A difference between "int" and "ext" estimations may be explained by an influence of the reference star positions used for astrometric reduction. ...
... Melnikov A.V., Orlov V.V., Shevchenko I.I., Stability of the multiple star system Iota UMa (ADS 7114) // Astron. Rep. Vol. 58. ... Ò. 90. N6. Ñ. 472-482. [The Lyapunov exponents in the dynamics of triple star systems, Astron. Rep. 57 (2013) 429-439.] ...