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What is the difference between dynamical LSR and standard solar LSR?

April 26, 2017difference dynamical LSR solar standard

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What is the difference between dynamical LSR and standard solar LSR?

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The component of the sun’s motion in the direction of the target, assuming the standard solar motion of 20 km s-1 towards RA 18h, Dec +30o (1900), is written to the header keyword V_LSRSTD. In V_LSRDYN, we provide the sun’s velocity toward the target assuming the dynamical solar motion of of 16.6 km s-1 towards l = 53, b = +25. V_LSRDYN and V_LSRSTD are provided for informational purposes only. They are not used by the calibration software.