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In a text file I have a table of star data with Bayer/Flamsteed designations. I need to convert these into Hipparchos numbers. How can I automatically do this?

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As the names and numbers are essentially arbitrary, the Hipparcos designation cannot be calculated from the Bayer or Flamsteed designation. Instead you have to look up the star in a database.

There is a HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index on line. (Direct link)You can get a computer to do the look up for you. Or if you only have a small number of stars, you can use SIMBAD and do the look-up by hand.

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  • $\begingroup$ SIMBAD supports uploading a list of designations from a file and so you don't need to do it all by hand. $\endgroup$ – astrosnapper Aug 7 '18 at 15:04

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