Document Collection Contents The document collection contains documentation files, where available, for this bundle. All document files will have an accompanying label file to describe content and structure. Label files have the same name as the main document file, with an extension of ".xml". bundle_description.txt - Bundle description for the gbo.ast.s3os2.spectra bundle - A document describing the content and structure of the bundle. observatory.eso-la_silla.txt - Description document for European Southern Observatory - Description document for European Southern Observatory eso-la_silla.1m52.txt - Description for 1.52-m spectrographic Cassegrain/Coude reflector at European Southern Observatory - Description for 1.52-m spectrographic Cassegrain/Coude reflector at European Southern Observatory eso-la_silla.1m52.bcspectrograph.txt - Description Document for ESO Boller and Chivens Spectrograph - A description of the ESO Boller and Chivens Spectrograph instrument ref.txt - Reference List - The reference list for the bundle. AA_Document_Index.txt - Document Index - The file you are reading. collection_gbo.ast.s3os2.spectra_document_inventory.csv - Collection Inventory - An inventory of document products in this collection.