{
 "known": true,
 "known_why": [
  "the catalogued variable NSVS 1666821 (VAR, 40\" away) has the same period - its light leaks into TESS's big pixels"
 ],
 "known_version": 5,
 "tic": "284726218",
 "version": 3,
 "when": "2026-10-12 01:36",
 "device": "GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)",
 "seconds": 164.5,
 "kind": "EB",
 "sectors": [
  17,
  18,
  24,
  58,
  78,
  85
 ],
 "points": 24974,
 "signal": {
  "P": 2.277737,
  "T0": 1767.467511,
  "dur": 0.25,
  "depth": 0.59835,
  "rp": 1506.603701,
  "source": "found here",
  "snr": 1741.329557,
  "secondary_phase": 0.828307
 },
 "star": {
  "rad": 17.8524,
  "mass": 3.8652,
  "teff": 4764.0,
  "logg": null,
  "abs_g": 0.9112,
  "bp_rp": 2.1575,
  "dist": 3772.3852
 },
 "flags": [
  "eccentric_eb",
  "giant_host"
 ],
 "best_level": "notable",
 "headline": "Eccentric eclipsing binary; Transits of a giant star",
 "checks": [
  {
   "id": "microlensing",
   "name": "Microlensing (rogue planet?)",
   "flag": false,
   "level": null,
   "text": "No lens-shaped brightening.",
   "details": {}
  },
  {
   "id": "exocomet",
   "name": "Exocomet-shaped dip",
   "flag": false,
   "level": null,
   "text": "No comet-shaped dips.",
   "details": {}
  },
  {
   "id": "etv",
   "name": "Eclipse timing (third body?)",
   "flag": false,
   "level": null,
   "text": "Eclipses from only 2 sector(s): can't tell.",
   "details": {
    "rms_min": 10.841348,
    "p": 0.23147,
    "periodicity": {
     "period_epochs": 107.095247,
     "fap": 0.014925,
     "freq": 0.009337
    },
    "quad": {
     "dchi2": 15.440167,
     "curv_min_per_cycle2": 0.004811
    },
    "o_minus_c_min": [
     9.475544,
     7.360866,
     3.446189,
     3.131512,
     2.816835,
     2.502158,
     -3.527197,
     -5.641874,
     -5.956551,
     -6.271228,
     -8.385905,
     18.26417,
     10.434816,
     17.320139,
     -29.794538,
     -7.33857,
     6.746753,
     6.432076
    ],
    "epochs": [
     490.0,
     491.0,
     492.0,
     493.0,
     494.0,
     495.0,
     497.0,
     498.0,
     499.0,
     500.0,
     501.0,
     811.0,
     813.0,
     814.0,
     815.0,
     818.0,
     819.0,
     820.0
    ]
   }
  },
  {
   "id": "eccentric_eb",
   "name": "Eccentric eclipsing binary",
   "flag": true,
   "level": "notable",
   "text": "The second eclipse comes at phase 0.828 instead of 0.5: the orbit is stretched (eccentricity at least 0.516). Eccentric binaries show how tides shape orbits, and their slowly turning orbits test General Relativity.",
   "details": {
    "secondary_phase": 0.828307,
    "ecosw": 0.515703,
    "secondary_depth": 0.233973,
    "secondary_snr": 68.091158
   }
  },
  {
   "id": "eb_pulsator",
   "name": "Pulsating star in an eclipsing binary",
   "flag": false,
   "level": null,
   "text": "No pulsations besides the eclipses.",
   "details": {
    "freq_per_day": 4.393052,
    "amp_ppm": 4399.241292,
    "snr": 4.994642
   }
  },
  {
   "id": "more_planets",
   "name": "Second eclipsing pair",
   "flag": false,
   "level": null,
   "text": "The light between the eclipses varies too much for this search.",
   "details": {}
  },
  {
   "id": "circumbinary",
   "name": "Extra dips outside the eclipses",
   "flag": false,
   "level": null,
   "text": "No extra dips between the eclipses.",
   "details": {
    "times": [],
    "depths": []
   }
  },
  {
   "id": "heartbeat",
   "name": "Heartbeat star",
   "flag": false,
   "level": null,
   "text": "No heartbeat-shaped spike.",
   "details": {
    "width": 0.236667,
    "period": 2.277737
   }
  },
  {
   "id": "giant_host",
   "name": "Transits of a giant star",
   "flag": true,
   "level": "notable",
   "text": "Gaia places this star among the giants: planets transiting giants are rare, and a big star makes even a large planet's dip tiny.",
   "details": {
    "abs_g": 0.9112,
    "bp_rp": 2.1575
   }
  }
 ],
 "plot": "10_rare_check.png"
}