From cfanews.harvard.edu!gabrielle!pbarmby Fri Aug 22 16:37:08 1997
From: pbarmby@gabrielle.harvard.edu (Pauline Barmby)
Subject: Re: Software for converting proper motion (RA,Dec) to space motion
Newsgroups: sci.astro.research
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Eric L. N. Jensen (jensen@gila.la.asu.edu) wrote:
: I'm looking for software to convert from observed radial velocities and
: proper motions in RA and Dec to space motions (km/s) in galactic coordinates.
: Also, I'd like to be able to find the component of proper motion produced by
: solar motion for a given RA, Dec, and distance.

: I could code up the equations myself, but I hate to reinvent the wheel.  
: Any pointers to subroutines that do this would be much appreciated. 

The World Wide Web Virtual Library has a software section:
http://www.webhead.com/WWWVL/Astronomy/software.html

I don't know if it will have what you need but it might be a good place
to start.

Pauline