Sentence examples for determination of stellar from inspiring English sources

Space motions comprise a three-dimensional determination of stellar motion.

Provided that the distance to the binary is known, such systems permit a determination of stellar masses, m1 and m2, of the two members.

The sometimes discrepant results illustrate the difficulties in a reliable determination of stellar ages.

There he was chiefly concerned with planetary astronomy, the orbits of double stars, and determinations of stellar parallax.

Based upon Tycho Brahe's determinations of stellar positions and magnitudes, Bayer assigned each visible star in a constellation one of the 24 Greek letters.

Most of his determinations of stellar positions were accurate and have stood the test of time, but he made one serious and still poorly understood error when he pursued a problem tangential to his main interests.

Low spectral resolution provided by X-ray observations of stellar coronae in the past allowed the determination of temperature distributions and elemental abundances making use of atomic databases (listing line emissivities and bremsstrahlung continuum for a given temperature structure).

The physical processes behind the formation of stellar spectra are well enough understood to permit determinations of temperatures, densities, and chemical compositions of stellar atmospheres.

Ages of open clusters are determined by comparing their stellar membership with theoretical models of stellar evolution.

The nature of the final products of stellar evolution depend on stellar mass.

Observations of stellar infrared light also have assumed considerable importance.