{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:SAGQP6ZA2LE2P4A5JE3JMYCVY4","short_pith_number":"pith:SAGQP6ZA","schema_version":"1.0","canonical_sha256":"900d07fb20d2c9a7f01d4936966055c734483f1af74b017810bcc5975e55c522","source":{"kind":"arxiv","id":"astro-ph/0701704","version":1},"attestation_state":"computed","paper":{"title":"Detection of a Stellar Halo in NGC 4244","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) STScI, (3) U. of Washington), Anil Seth (1), Julianne Dalcanton (3), Roelof De Jong (2), the GHOSTS team ((1) Harvard-Smithsonian CfA","submitted_at":"2007-01-24T20:48:33Z","abstract_excerpt":"We present the preliminary detection of a stellar halo in the nearby, edge-on galaxy, NGC 4244. Using data from the Hubble Space Telescope's Advanced Camera for Surveys (HST/ACS), we have examined number counts of red giant branch (RGB) stars along the minor axis of the galaxy out to 10 kpc, with a limiting surface brightness of mu_R ~ 31 mag/arcsec^2. At distances more than 2.5 kpc above the disk, a second stellar component is clearly visible. This component is well fit by either an exponential or a power law. The best-fit exponential scale height is similar to the scale length of the galaxy "},"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/0701704","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-24T20:48:33Z","cross_cats_sorted":[],"title_canon_sha256":"176509d64cd8ec2c813db943b0d6c4dd4f085791a117466a8407ddd5d410d425","abstract_canon_sha256":"c56489230b7461667f208044dc53cf9dba8e2cd43e58cbbb3453ee1ba0fb67b3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:07:34.032460Z","signature_b64":"fno5fVm8JDlS78YklB4za5sEFdIHiF5e9em5YbN6Kn00/o93cK0tiIRLc6d1dj6t/cF6pkLsh+LWsvcTnfpCCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"900d07fb20d2c9a7f01d4936966055c734483f1af74b017810bcc5975e55c522","last_reissued_at":"2026-07-04T17:07:34.032021Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:07:34.032021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detection of a Stellar Halo in NGC 4244","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) STScI, (3) U. of Washington), Anil Seth (1), Julianne Dalcanton (3), Roelof De Jong (2), the GHOSTS team ((1) Harvard-Smithsonian CfA","submitted_at":"2007-01-24T20:48:33Z","abstract_excerpt":"We present the preliminary detection of a stellar halo in the nearby, edge-on galaxy, NGC 4244. Using data from the Hubble Space Telescope's Advanced Camera for Surveys (HST/ACS), we have examined number counts of red giant branch (RGB) stars along the minor axis of the galaxy out to 10 kpc, with a limiting surface brightness of mu_R ~ 31 mag/arcsec^2. At distances more than 2.5 kpc above the disk, a second stellar component is clearly visible. This component is well fit by either an exponential or a power law. The best-fit exponential scale height is similar to the scale length of the galaxy "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701704","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0701704/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701704","created_at":"2026-07-04T17:07:34.032083+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701704v1","created_at":"2026-07-04T17:07:34.032083+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701704","created_at":"2026-07-04T17:07:34.032083+00:00"},{"alias_kind":"pith_short_12","alias_value":"SAGQP6ZA2LE2","created_at":"2026-07-04T17:07:34.032083+00:00"},{"alias_kind":"pith_short_16","alias_value":"SAGQP6ZA2LE2P4A5","created_at":"2026-07-04T17:07:34.032083+00:00"},{"alias_kind":"pith_short_8","alias_value":"SAGQP6ZA","created_at":"2026-07-04T17:07:34.032083+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4","json":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4.json","graph_json":"https://pith.science/api/pith-number/SAGQP6ZA2LE2P4A5JE3JMYCVY4/graph.json","events_json":"https://pith.science/api/pith-number/SAGQP6ZA2LE2P4A5JE3JMYCVY4/events.json","paper":"https://pith.science/paper/SAGQP6ZA"},"agent_actions":{"view_html":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4","download_json":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4.json","view_paper":"https://pith.science/paper/SAGQP6ZA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0701704&json=true","fetch_graph":"https://pith.science/api/pith-number/SAGQP6ZA2LE2P4A5JE3JMYCVY4/graph.json","fetch_events":"https://pith.science/api/pith-number/SAGQP6ZA2LE2P4A5JE3JMYCVY4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4/action/storage_attestation","attest_author":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4/action/author_attestation","sign_citation":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4/action/citation_signature","submit_replication":"https://pith.science/pith/SAGQP6ZA2LE2P4A5JE3JMYCVY4/action/replication_record"}},"created_at":"2026-07-04T17:07:34.032083+00:00","updated_at":"2026-07-04T17:07:34.032083+00:00"}