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Out of interest, how was the SAO cross-index generated? I can't seem to find any published cross index database between HIP and SAO.

ajtribick wrote:Out of interest, how was the SAO cross-index generated? I can't seem to find any published cross index database between HIP and SAO.

I/196 Hipparcos Input Catalogue, Version 2 (Turon+ 1993)
http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/196#sRM-F.50
All the cross id's (HD, BD, SAO,...) are in there

I can't seem to find any published cross index database between HIP and SAO.

What's the problem, it's just the HIP 2 catalog, columns 386-391?

F.

Ah I only checked the Hipparcos OUTPUT catalog, which doesn't have this data... thanks for the info.