示例1: prior ▲點讚 6▼ # 需要導入模塊: import PALutils [as 別名]# 或者: from PALutils importcomputeLuminosityDistance[as 別名]parser.add_option('--drawPdistPrior', dest='pdistPrior', action='store_true', default=False, help='Draw simulated pulsar distance from prior instead of using mea...
The nonlinear part of the equations of motion adds a coupling between the two planes, the perturbative parameter being the distance to the origin. Therefore it is natural to replace 𝑟1r1 and 𝑟2r2 with the polar variables 𝑟cos𝛼rcosα and 𝑟sin𝛼rsinα, respectively: ⎧⎩...
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Luminosity distance depends on cosmology. If the intrinsic luminosity dLdL of a distant object is known, we can calculate its luminosity by measuring the flux f. For a non-expanding universe, luminosity distance is same as the comoving distance. Luminosity distance is always greater than the ...