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Apart from the spectral signature, also the spatial extent of the [O I] emission region is investigated. For both stars, we have obtained spectra with the slit positioned at different position angles on the sky.\n  Results. The [O I] emission region of HD 100546 appears to be coinciding with the dust disk, its major axis located at 150+/-11 de"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/0512562","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-12-22T14:09:32Z","cross_cats_sorted":[],"title_canon_sha256":"a8caf5e3c376d738703a3074091c81a492901ef5572df9028427817370407ced","abstract_canon_sha256":"90ce879a99f962707d71dbced6a054fda91b76159887f588fd4ffad37317fe19"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:53:10.688787Z","signature_b64":"jbdcBj+lkOlJfFop3qhqYicYW94ZP1ajSgPh4mUgBqR1kHAWcu+EauLgDaSubMv8rdgYCeDd38mPfCPOegzKCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2058c86472ca3accb3a838407e4725cedd73e2551ecf76d3878dc9cf75355caa","last_reissued_at":"2026-07-04T16:53:10.688396Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:53:10.688396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Resolving the disk rotation of HD 97048 and HD 100546 in the [O I] 6300A line: evidence for a giant planet orbiting HD 100546","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B. Acke, M.E. van den Ancker","submitted_at":"2005-12-22T14:09:32Z","abstract_excerpt":"Aims. We intend to spatially and spectrally resolve the [O I] emission region in two nearby Herbig stars.\n  Methods. We present high-resolution (R = 80,000) VLT/UVES echelle spectra of the [O I] 6300A line in the Herbig Ae/Be stars HD 97048 and HD 100546. Apart from the spectral signature, also the spatial extent of the [O I] emission region is investigated. For both stars, we have obtained spectra with the slit positioned at different position angles on the sky.\n  Results. 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