0 votes
111 views
When using the Xmatch tool, I continually get this error when trying to cross-match my uploaded table against the ls_dr9sv.tractor_n catalog.

Error: column g.null does not exist LINE 1: ...sv.tractor_n AS g WHERE 't'=q3c_join(o.ra, o.dec, g.null, g.... ^
asked May 7, 2020 by Matthew | 111 views

1 Answer

0 votes
Best answer
After you select 'ls_dr9sv.tractor_n' table, it takes a while to load the 'ra' column box and 'dec' column box below the table list. If you press 'submit' button before the 'ra' column and 'dec' column appear, then the 'ra' and 'dec' for the 2nd table are not selected, so you would see this error.
answered May 7, 2020 by datalab (16,800 points)
edited May 7, 2020 by datalab

329 questions

341 answers

349 comments

2,207 users

Welcome to Data Lab Help Desk, where you can ask questions and receive answers from other members of the community.