Sentence examples for intrinsic luminosity from inspiring English sources

A star's spectrum contains information about its temperature, chemical composition, and intrinsic luminosity.

Hubble was able to spot the most distant Type Ia supernova – a type of exploding star believed to always have the same intrinsic luminosity.

It is a red dwarf star with a visual magnitude of 9.5; its intrinsic luminosity is only 1/2,600 that of the Sun.

Supergiant star, any star of very great intrinsic luminosity and relatively enormous size, typically several magnitudes brighter than a giant star and several times greater in diameter.

When astronomers wish to trace the evolution of stars, they will most likely turn to a graph that plots the intrinsic luminosity of a star against its surface temperature or spectral type.

Relativistic effects—e.g., the Doppler shift of the emitted photons then boost the intrinsic luminosity of the jet pointing toward the observer and lower that of the counterjet, allowing measurements of limited dynamic range to detect only the former.

The intrinsic luminosities of RR Lyrae stars are relatively well-determined, which makes them useful as distance indicators.

When the absolute magnitudes of stars, or their intrinsic luminosities on a logarithmic scale, are plotted in a diagram against temperature or, equivalently, against the spectral types, the stars do not fall at random on the diagram but tend to congregate in certain restricted domains.

Classical Cepheids exhibit a relation between period and luminosity in the sense that the longer the period of the star, the greater its intrinsic brightness; this period-luminosity relationship has been used to establish the distance of remote stellar systems.

They exhibit a relation between period and luminosity in the sense that the longer the period of the star, the greater is its intrinsic brightness.

This graph illustrates the cepheid period-luminosity relationship, which establishes that if you know the period, or timing, of a cepheid star's pulses, you can determine its intrinsic brightness.