Dispersion Measure

Some articles on measure, dispersion measure:

Faraday Effect - Faraday Rotation in The Interstellar Medium
... overall strength of the effect is characterized by RM, the rotation measure ... In Gaussian cgs units the rotation measure is given by or in SI units where ne(s) is the density of electrons at each point s along the path B
Timing Noise - Applications - Probes of The Interstellar Medium
... delay in the arrival of pulses at a range of frequencies is directly measurable as the dispersion measure of the pulsar ... The dispersion measure is the total column density of free electrons between the observer and the pulsar, where is the distance from the pulsar to the observer and is the electron density of the ISM ... The dispersion measure is used to construct models of the free electron distribution in the Milky Way Galaxy ...

Famous quotes containing the words measure and/or dispersion:

    Perpetual modernness is the measure of merit in every work of art.
    Ralph Waldo Emerson (1803–1882)

    The slogan offers a counterweight to the general dispersion of thought by holding it fast to a single, utterly succinct and unforgettable expression, one which usually inspires men to immediate action. It abolishes reflection: the slogan does not argue, it asserts and commands.
    Johan Huizinga (1872–1945)