{"id":"W2170491912","doi":"10.1007/978-1-4419-8050-2_2","title":"The High Road to Astronomical Photometric Precision: Differential Photometry","year":2011,"lang":"en","type":"book-chapter","venue":"Astrophysics and space science library","topic":"Stellar, planetary, and galactic studies","field":"Physics and Astronomy","cited_by":348,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Calgary","funders":"","keywords":"Photometry (optics); Brightness; Photoelectric effect; Astronomy; Remote sensing; Physics; Astrometry; Differential (mechanical device); Optics; Geology; Stars","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0001125067,0.000541963,0.0005415474,0.0003586656,0.0009119635,0.0005938016,0.0008803331,0.00009176902,0.0009572075],"category_scores_gemma":[0.000007893655,0.0003861692,0.0001870104,0.0003906765,0.0007531012,0.0004777447,0.000918287,0.0004979873,0.0002291047],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002062949,"about_ca_system_score_gemma":0.0001655552,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00008314802,"about_ca_topic_score_gemma":5.509602e-7,"domain_scores_codex":[0.9975097,0.0000183607,0.0003406284,0.0008649923,0.0006068053,0.000659574],"domain_scores_gemma":[0.9984183,0.0002069362,0.0002449863,0.0006648014,0.00005755114,0.0004074152],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.0002776685,0.0001432359,0.07402267,0.00002168003,0.0004816214,0.00000853417,0.0004056991,0.00001661446,0.0001677182,0.3925465,0.009473448,0.5224346],"study_design_scores_gemma":[0.001644426,0.001512602,0.6486924,0.0003373482,0.0005322411,0.000008086101,0.0002726378,0.0003213051,0.003874668,0.08648888,0.2531445,0.003170847],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.124335,0.0007954696,0.00145833,0.0004672401,0.00226227,0.0008947288,0.0001987798,0.00009484601,0.8694934],"genre_scores_gemma":[0.9050428,0.0001378073,0.001254798,0.00005053717,0.001387907,0.00001732941,0.00005696327,0.00007401364,0.09197785],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7807078,"threshold_uncertainty_score":0.9999561,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009909609690445945,"score_gpt":0.2009965861098717,"score_spread":0.1910869764194258,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}