{
 "known": true,
 "known_why": [
  "catalogued variable star nearby: ZTF J213105.44+542052.7 (EW, P = 0.46891 d), 236\" away"
 ],
 "known_version": 5,
 "tic": "429618325",
 "version": 3,
 "when": "2026-10-11 16:34",
 "device": "GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)",
 "seconds": 50.3,
 "kind": "transit?",
 "sectors": [
  15,
  16,
  17,
  56,
  57,
  76,
  77,
  83,
  84
 ],
 "points": 62904,
 "signal": {
  "P": 1.114931,
  "T0": 1715.538148,
  "dur": 0.12,
  "depth": 0.012388,
  "rp": 143.246096,
  "source": "found here",
  "snr": 801.848003
 },
 "star": {
  "rad": 11.7967,
  "mass": 2.7931,
  "teff": 4561.0,
  "logg": null,
  "abs_g": 2.005,
  "bp_rp": 2.0318,
  "dist": 778.0124
 },
 "flags": [
  "microlensing",
  "asymmetry"
 ],
 "best_level": "candidate",
 "headline": "Microlensing (rogue planet?); Lopsided transit",
 "checks": [
  {
   "id": "microlensing",
   "name": "Microlensing (rogue planet?)",
   "flag": true,
   "level": "candidate",
   "text": "A one-off, symmetric brightening at BTJD 3597.60 that fits the gravitational-lens shape better than a flare (Einstein time 22.1 h). Events this short can be made by a free-floating (rogue) planet passing in front of the star. Very rare in TESS data; scattered light and asteroids can mimic it.",
   "details": {
    "t_btjd": 3597.596916,
    "tE_h": 22.108209,
    "u0": 0.05,
    "amp": 0.000993,
    "snr": 11.372102,
    "dchi2_vs_flare": 65.83677
   }
  },
  {
   "id": "exocomet",
   "name": "Exocomet-shaped dip",
   "flag": false,
   "level": null,
   "text": "No comet-shaped dips.",
   "details": {}
  },
  {
   "id": "habitable",
   "name": "Habitable zone & size",
   "flag": false,
   "level": null,
   "text": "Not a planet: too big (143 Earth radii).",
   "details": {}
  },
  {
   "id": "ttv",
   "name": "Transit timing (TTV)",
   "flag": false,
   "level": null,
   "text": "165 transits arrive on time (scatter 5.1 min, errors 1.7 min).",
   "details": {
    "n_transits": 165,
    "rms_min": 5.051472,
    "err_min": 1.652423,
    "p": 0.0,
    "periodicity": {
     "period_epochs": 5097.0,
     "fap": 0.004975,
     "freq": 0.000196
    },
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    "epochs": [
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     13.0,
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     24.0,
     27.0,
     28.0,
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     33.0,
     34.0,
     35.0,
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     38.0,
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     40.0,
     41.0,
     42.0,
     46.0,
     47.0,
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     50.0,
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     1008.0,
     1009.0,
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   }
  },
  {
   "id": "tdv",
   "name": "Transit duration (TDV)",
   "flag": false,
   "level": null,
   "text": "Transit length steady.",
   "details": {
    "p": 0.0,
    "rms_h": 0.187186
   }
  },
  {
   "id": "depth_change",
   "name": "Changing transit depth",
   "flag": false,
   "level": null,
   "text": "Transit depth steady.",
   "details": {
    "p": 0.0,
    "rel_rms": 0.107581
   }
  },
  {
   "id": "asymmetry",
   "name": "Lopsided transit",
   "flag": true,
   "level": "hint",
   "text": "The start of the transit is deeper than the end: a dust tail (disintegrating planet), rings, a fast-spinning star, or a blend.",
   "details": {
    "p": 0.0
   }
  },
  {
   "id": "check_heartbeat_selflensing",
   "name": "heartbeat selflensing",
   "flag": false,
   "level": null,
   "text": "Could not run: OutOfMemoryError: Out of memory allocating 239,917,568 bytes (allocated so far: 2,473,520,640 bytes, limit set to: 2,684,354,560 bytes).",
   "details": {}
  },
  {
   "id": "host",
   "name": "Type of star",
   "flag": false,
   "level": null,
   "text": "From Gaia: young.",
   "details": {
    "kind": "young"
   }
  },
  {
   "id": "check_more_signals",
   "name": "more signals",
   "flag": false,
   "level": null,
   "text": "Could not run: OutOfMemoryError: Out of memory allocating 125,854,208 bytes (allocated so far: 2,585,387,520 bytes, limit set to: 2,684,354,560 bytes).",
   "details": {}
  }
 ],
 "plot": "10_rare_check.png"
}