Is popping up a browser window possible in Perspective?

[PGriffith]

Not currently possible, but probably will be in the future:

[Feature-11590] System.perspective.navigate() Lacks Option To Open New Tab

The existing feature requests recommends the introduction of a couple of optional kwargs which would be used to determine whether the navigation should occur in the same tab (default if no optional kwargs are supplied), in a new tab, or in a new window.