[AstroPy] n-way cross matching?

[Alex Hagen]

Hi John,

There's currently not a function to do cross-matching on n catalogs. As I
imagine you've considered, you could match catalog 1 to catalog 2, match
that output to catalog 3 and so on.

Best of luck,

--alex

On Fri, Jun 3, 2016 at 5:38 PM, John K. Parejko <parejkoj at uw.edu> wrote:

> Is see that astropy.coordinates has a catalog cross-matching system for
> pairs of points, but is there an n-way cross match (e.g. put in 10 catalogs
> and get the list of things that match across all of them)?
>
> Thanks,
> John
>
> --
> *************************
> John Parejko
> parejkoj at uw.edu
> http://staff.washington.edu/parejkoj/
> Department of Physics and Astronomy
> University of Washington
> Seattle, WA
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-- 
Alex Hagen
Ph.D. Candidate
Dept. of Astronomy and Astrophysics
& the Institute for Gravitation and the Cosmos
The Pennsylvania State University

https://astronomeralex.github.io/

Mailing Address:
525 Davey Lab
University Park, PA 16802-6305

Office:
313 Davey Lab
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