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Samarasinha, Tim Lister, Xiaoping Lu, Yanqiong Ren","submitted_at":"2017-08-17T10:01:26Z","abstract_excerpt":"We imaged Comet 252P/2000 G1 (LINEAR) (hereafter 252P) with the Hubble Space Telescope and both 252P and P/2016 BA$_{14}$ (PanSTARRS) (hereafter BA$_{14}$) with the Discovery Channel Telescope in March and April 2016, surrounding its close encounter to Earth. The r'-band $Af\\rho$ of 252P in a 0.2\"-radius aperture were $16.8\\pm0.3$ and $57\\pm1$ cm on March 14 and April 4, respectively, and its gas production rates were: $Q$(OH) = $(5.8\\pm0.1)\\times10^{27}$ s$^{-1}$, and $Q$(CN) = $(1.25\\pm0.01)\\times10^{25}$ s$^{-1}$ on April 17. The r'-band upper limit $Af\\rho$ of BA1$_{14}$ was $0.19\\pm0.01$ "},"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":"1708.05190","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-08-17T10:01:26Z","cross_cats_sorted":[],"title_canon_sha256":"b9177c019de8aba2b77de13e9374d8bd30340eb889666af58b6cdc726698a97c","abstract_canon_sha256":"b4afddd1f861530d1943db089374cb46e85dc4410e491eef3b498e2439741a09"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:30.552196Z","signature_b64":"8NFV9r428hP0i10EBbvTj0phE5CCf7j5LG49k67JcInidmMFidiDjGZwyv1yYbig1jvjSxlG+9DvPyPowu7uBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f7a2db2d3ae465e1c7bffb074684a0239c9c5068cc3c23da4dc2ba0a92d8478","last_reissued_at":"2026-05-18T00:35:30.551753Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:30.551753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Unusual Apparition of Comet 252P/2000 G1 (LINEAR) and Comparison with Comet P/2016 BA14 (PanSTARRS)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Davide Farnocchia, David J. Tholen, Jian-Yang Li, Marco Micheli, Max J. Mutchler, Michael S.P. Kelley, Nalin H. Samarasinha, Tim Lister, Xiaoping Lu, Yanqiong Ren","submitted_at":"2017-08-17T10:01:26Z","abstract_excerpt":"We imaged Comet 252P/2000 G1 (LINEAR) (hereafter 252P) with the Hubble Space Telescope and both 252P and P/2016 BA$_{14}$ (PanSTARRS) (hereafter BA$_{14}$) with the Discovery Channel Telescope in March and April 2016, surrounding its close encounter to Earth. The r'-band $Af\\rho$ of 252P in a 0.2\"-radius aperture were $16.8\\pm0.3$ and $57\\pm1$ cm on March 14 and April 4, respectively, and its gas production rates were: $Q$(OH) = $(5.8\\pm0.1)\\times10^{27}$ s$^{-1}$, and $Q$(CN) = $(1.25\\pm0.01)\\times10^{25}$ s$^{-1}$ on April 17. 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