Приклади вживання Proper motion Англійська мовою та їх переклад на Українською
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Proper motion.
I will explain proper motion in the next section.
Proper motion of cluster stars appear to converge at one point.
Barnard's Star has the greatest proper motion, 10.4″/yr.
A high proper motion is an indicator of closeness to the Sun.
In order to find the tangential velocity, we must know both the proper motion and the distance.
Proper motion depends both upon the tangential velocity and the distance.
So, you can also take the proper motion regardless of where in you are in the town.
A star that is moving very rapidly in the tangentialdirection must not have a large proper motion if it is far away.
The largest proper motion is that of Barnard's Star which is only 11.2”/yr.
Conversely, a star that is nearby may have a large proper motion but a modest tangential velocity.
As the main method the KINESITHERAPY is applied(kinesis- motion+ therapia- treatment)-it means a treatment using the proper motion.
Astronomers pick high proper motion stars from proper motion studies.
Proper motion is not entirely“proper” (that is, intrinsic to the celestial body or star), because it includes a component due to the motion of the Solar System itself.
The average annual change inposition of a star is called the star's proper motion and is expressed in arc seconds per year.
Famous for having the largest proper motion of any star, this dim red dwarf travels 0.29 degrees against the background sky in a century.
The new catalog lists the parallax and velocity across the sky, or proper motion, for more than 1.3 billion stars.
The usual name given to the Lowell Proper Motion Survey catalogue produced in the 1970'scontaining 11 747 stars with a high proper motion.
In addition to discovering thousands of asteroids, NEAT is also credited with the co-discovery(recovery)of periodic comet 54P/de Vico-Swift-NEAT and of the high proper motion Teegarden's star.
The proper motion of a runaway star often points exactly away from a stellar association, of which the star was formerly a member, before it was hurled out.
It is important to have common objects for which the position and proper motion for observations in optical and radio wavelengths are known.
The proper motion is not entirely"proper"(that is, intrinsic to the star) because it includes a component due to the motion of the solar system itself.
An astronomer who from the 1930's to the 1980's found thousands of nearbystars in several huge surveys including the Bruce Proper Motion Survey in 1944 and the Luyten-Palomar survey conducted in the 1970's.
The proper motion of Geminga is 178.2 mas/year which corresponds to a projected velocity of 205 kilometers per second.[1] This is very fast for a star, comparable to Barnard's star.
Willem Luyten was an astronomer who, from the 1930s up to the 1980s, discovered thousands of nearbystars in several huge surveys including the Bruce Proper Motion Survey in 1944 and the Luyten-Palomar Survey in the 1970s.
In his most important work, On the Laws of the Proper Motion of the Stars in Bradley's Catalog(in French, 1859), Koval'skii proposed and extensively applied a method for determining the motion of the solar system in space.
A study published in 2003 using data gathered by the Hipparcos satellite(1989-1993)greatly improved both the proper motion and parallax estimates of nearby bright stars, refining the study of this and other moving groups.
Unlike parallax, which is cyclical, proper motion accumulates over time, so photographs made over several years or decades give a large baseline over which to measure proper motions very accurately.
A study published in 2003 using data gathered by the Hipparcos satellite(1989-1993)greatly improved both the proper motion and parallax estimates of nearby bright stars, refining the study of this and other moving groups.[1].