Stars and the H-R Diagram
Stars and the H-R Diagram
Feb 25, 2021
rmg.co.uk
Astronomers use a technique called stellar stereography to determine the density of stars in a star cluster from the observed (two-dimensional) density that can be analyzed from a photograph. Suppose that in a spherical cluster of radius R the density of stars depends only on the distance r from the center of the cluster. If the perceived star density is given by y(s), where s is the observed planar distance from the center of the cluster, and x(r) is the actual density, it can be shown that y(s
Astronomers use a technique called stellar stereography to determine t…
Aug 6, 2020
numerade.com
Astronomers use a technique called stellar stereography to determine the density of stars in a star cluster from the observed (two-dimensional) density that can be analyzed from a photograph. Suppose that in a spherical cluster of radius R the density of stars depends only on the distance r from the center of the cluster. If the perceived star density is given by y(s), where s is the observed planar distance from the center of the cluster, and x(r) is the actual density, it can be shown that y(s
Astronomers use a technique called stellar stereography to determine t…
May 12, 2020
numerade.com
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Figure 14.30 shows the H-R diagram of a star cluster. How old is it? (The dashed line is the position of the stars. The solid line is the main sequence.
Figure 14.30 shows the H-R diagram of a star cluster. How old is it? (Th…
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