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Joshi","submitted_at":"2010-05-20T10:39:11Z","abstract_excerpt":"We present near-UV transmission spectroscopy of the highly irradiated transiting exoplanet WASP-12b, obtained with the Cosmic Origins Spectrograph on the Hubble Space Telescope. The spectra cover three distinct wavelength ranges: NUVA (2539-2580 {\\AA}), NUVB (2655-2696 {\\AA}), and NUVC (2770-2811 {\\AA}). Three independent methods all reveal enhanced transit depths attributable to absorption by resonance lines of metals in the exosphere of WASP-12b. Light curves of total counts in the NUVA and NUVC wavelength ranges show a detection at a 2.5{\\sigma} level. We detect extra absorption in the Mg I"},"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":"1005.3656","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-20T10:39:11Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"256b7ff225f0074e179cd2d49a94ad793324e897765458a99258b61bd68eff6f","abstract_canon_sha256":"2ec3502b4e5c22e441813937bbfc340a69fb630606bf36ff7eeb7bda3f126056"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:01.088165Z","signature_b64":"kCnwlXqqqPrFB7BmYmVlk8GSNOYM2FC5UaSf3OqIlvGDzZmcxBDhyLW7TMJsPoTv+JzMJtRfeRvl0SgNF5oMBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a944425a16f0df718acde2ee0ccec398b74fbf7a9869144494b3730833ecfca8","last_reissued_at":"2026-05-18T01:15:01.087718Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:01.087718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Metals in the Exosphere of the Highly Irradiated Planet WASP-12b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"A. Carter, A. C. Cameron, B. Loeillet, C. A. Haswell, C. Helling, C. S. Froning, D. Pollacco, D. Wilson, E. Simpson, H. C. Stempels, I. Skillen, L. Fossati, L. Hebb, P. Wheatley, R. G. West, R. Street, S. Holmes, S. Udry, U. Kolb, Y. C. Joshi","submitted_at":"2010-05-20T10:39:11Z","abstract_excerpt":"We present near-UV transmission spectroscopy of the highly irradiated transiting exoplanet WASP-12b, obtained with the Cosmic Origins Spectrograph on the Hubble Space Telescope. The spectra cover three distinct wavelength ranges: NUVA (2539-2580 {\\AA}), NUVB (2655-2696 {\\AA}), and NUVC (2770-2811 {\\AA}). Three independent methods all reveal enhanced transit depths attributable to absorption by resonance lines of metals in the exosphere of WASP-12b. Light curves of total counts in the NUVA and NUVC wavelength ranges show a detection at a 2.5{\\sigma} level. 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