Assertion: unit telescope | /r/HasProperty | at
Facets:
Source sentences:
text: Auxiliary Telescopes (ATs) have been added to the VLTI to make it available when the UTs are being used for other projects.
text: Four 1.8-metre auxiliary telescopes (ATs), installed between 2004 and 2007, have been added to the VLTI for accessibility when the UTs are used for other projects.