Black Holes

Sunday, 9 June 2013

Physical Quantities [Symbols and their meaning]


angle to the line-of-sight with Earth: $\theta\,\!$
jet speed: $v_j\,\!$
intrinsic luminosity: $S_e\,\!$ (sometimes called emitted luminosity)
observed Luminosity: $S_o\,\!$
spectral index: $\alpha\,\!$ where $S \propto \nu^{\alpha}\,\!$
Speed of light: $c\,\! = 2.9979 \times 10^{8}$ m/s

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