Gaia 423619294501527424

2026-09-29 · DNB

Experimental relative photometry. No transit confirmation; conditional errors do not include all systematic effects.

Calibration/orientation segment 0393a56a

DifferentialEnsemble1.0460.91040.04 — 2.87 hours since the first recorded header start · exposure midpoints
Saved relative measurements; gaps are retained.

Single event: searched. Periodic: At least 12 hours baseline for declared >=6 hour periods; three sampled events required.

Measurements, comparison stars, errors and event screeningAll shared numerical measurements and diagnostic checks
[
  {
    "diagnostic_correlations": {
      "centroid_shift": -0.07982106398856832,
      "fwhm_raw_session_estimate": 0.016632511539522467,
      "sky": 0.262670098106098
    },
    "indices": [
      0,
      1,
      2,
      3,
      4,
      5,
      6,
      7,
      8,
      9,
      10,
      11,
      12,
      13,
      14,
      15,
      16,
      17,
      18,
      19,
      20,
      21,
      22,
      23,
      24,
      25,
      26,
      27,
      28,
      29,
      30
    ],
    "max_leave_one_reference_difference": 0.012634110992913672,
    "reason": "Conditional diagnostic screen only; phase/master errors not calibrated",
    "reference_scatter": 0.01921319537004645,
    "screening": {
      "FAP": null,
      "multiplicity": "All tested targets/windows/grid hypotheses retained; no calibrated FAP across them",
      "periodic": {
        "branch": "BLS",
        "epochs": 31,
        "method": "experimental-events-0.2",
        "policy": {
          "FAP": "not calibrated; diagnostic score only",
          "durations_s": [
            900.0,
            1800.0,
            3600.0
          ],
          "max_period_s": 432000.0,
          "max_targets_per_group": 16,
          "min_before_after": 3,
          "min_epochs": 12,
          "min_inside": 3,
          "min_observed_events": 3,
          "min_period_s": 21600.0,
          "outlier_removal": "none",
          "period_grid_size": 500,
          "review_score": 6.0
        },
        "reason": "At least 12 hours baseline for declared >=6 hour periods; three sampled events required",
        "state": "insufficient_support",
        "tested_hypotheses": 0
      },
      "single": {
        "best": {
          "center_relative_s": 5879.661468,
          "conditional_white_sigma": 0.010887648477618946,
          "depth": 0.021057028644540062,
          "diagnostic_score": 1.9340290686116173,
          "duration_s": 3600.0,
          "exposure_fractions": [
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.33346330666666596,
            1.0,
            1.0,
            1.0,
            1.0,
            1.0,
            1.0,
            1.0,
            1.0,
            1.0,
            0.8546069133333337,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0,
            0.0
          ],
          "in_event_midpoints_s": [
            4333.533693,
            4646.635046,
            4949.646881,
            5252.966315,
            5576.611951,
            5879.661468,
            6182.948124,
            6506.733028,
            6810.232847,
            7573.279394
          ],
          "max_inside_gap_s": 763.0465469999999,
          "n_after": 9,
          "n_before": 11,
          "n_inside": 10
        },
        "branch": "single_event",
        "epochs": 31,
        "method": "experimental-events-0.2",
        "noise_scale": 0.027743787187135723,
        "policy": {
          "FAP": "not calibrated; diagnostic score only",
          "durations_s": [
            900.0,
            1800.0,
            3600.0
          ],
          "max_period_s": 432000.0,
          "max_targets_per_group": 16,
          "min_before_after": 3,
          "min_epochs": 12,
          "min_inside": 3,
          "min_observed_events": 3,
          "min_period_s": 21600.0,
          "outlier_removal": "none",
          "period_grid_size": 500,
          "review_score": 6.0
        },
        "reason": "",
        "review_items": [],
        "state": "searched",
        "tested_hypotheses": 51
      },
      "state": "executed",
      "warning": "Experimental review only. Correlated noise and reference variability can produce dips."
    },
    "search_qualified": true,
    "segment_id": "0393a56a9171b641",
    "usable_epochs": 31
  }
]