Cross-match DP1 with XMM-SERVS tutorial from LSST@Europe7

Hi @paolillo , this took a while to track down. But I believe that this was the tutorial we did in the LSST@Europe session:

This was pre-cross matched though. However I can provide some more resources in addition to what @galaxyumi331 posted already. Here is a cross match tutorial where you can upload the catalog or URL location of your XMM-SERVS sources and cross-match with DP1 via the Portal (which @Madejski also covered in the LSST@Europe tutorial session):

And here is an older Community Forum thread on cross matching where @MelissaGraham has posted some snippets of code to do the cross-match in the notebook aspect (this is quite similar to tutorial 102.6 which Yumi posted already in this thread earlier):