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The RVLIN package rvlin.tar.gz for IDL is a set of routines that quickly fits an arbitrary number of Keplerian curves to radial velocity data. It can handle data from multiple telescope (i.e. it solves for the offset), constraints on P, e, and time of peri passage, and now can incorporate transit timing data. To install, download the tarball, gunzip it, and read the readme.pro file. RVLIN is written by Jason Wright and Andrew Howard based on the exploitation of linear parameters in the Kepler problem, discussed here (ApJS..182..205W). Send questions and comments to jtwright@astro.psu.edu. |