Secular Aberration Drift and IAU Definition of ICRS

The gravitational attraction of the Galactic centre leads to the centrifugal acceleration of the Solar system barycentre. It results in secular aberration drift which displaces the position of the distant radio sources. The effect should be accounted for in high-precision astrometric reductions as well as by the corresponding update of the ICRS definition.Comment: 6 page

Improving the Training System of Water Transport Management Specialists in the Arctic Zone of the Russian Federation

The article discusses the issues of building a competitive system of higher education in the Arctic region and formation of specialists’ professional competencies for solving urgent scientific and technological problems within the concept of the Arctic economy innovative development. It is concluded that in order to be competitive, the new regional higher education system must undergo rapid changes to meet the modern economy requirements. That being said, the formation of Arctic competences is on the one hand a specific condition of professional training of specialists for the Arctic economy, which is not secured by the legislation; on the other hand, it is an important factor in maintaining competitiveness of both the regional vocational education system as a whole and that of a specific university