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Although 14 outbursts showed ordinary gradual decays, in 7 outbursts we found sudden luminosity decrease in a time scale of a few hours around the periastron, and then the outbursts terminated. These sudden decreases started at the estimated luminosity of a few times $10^{37}$ erg s$^{-1}$ and reached to $\\lesssim3\\times10^{36}$ erg s$^{-1}$. We propose three interpretations for the sudden luminosity decrease: (1) the end of the outburst during the dip, (2) the propeller effect, and (3) the stripping effect"},"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":"1405.6021","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-23T11:04:28Z","cross_cats_sorted":[],"title_canon_sha256":"e6505e5a6183c124994a010b23fb9541904cd2c72d4764a47554aa0b82df4a76","abstract_canon_sha256":"886a76b913eafc2d2551fcaa46a07eaa9c86804f29d4fe25120f761c4d36d7af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:07.059085Z","signature_b64":"3/BtL6DQ5TmBShqjgxiz9IxM7sLrEu36N7JIB4OKa6NJUE41oIQYw40NkCEkHREFIrPjWEOZNq28OY/gIK9SBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e4ce0c6ea1189d045f882170a35019b2cc32e7726e2e9dbc3b26234007ce3f3","last_reissued_at":"2026-05-18T01:43:07.058480Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:07.058480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sudden End of X-Ray Outbursts around Periastron of Circinus X-1 Observed with MAXI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Atsuo T. 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