{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Microlensing (rogue planet?)","toi":""},"amplitude":"2.5%","bp_rp":"0.80","cover":"TIC405525689_s0023.png","data_used":"TESS sector 23 (QLP)","date":"2026-10-11","dec":"57.7694","depth":"2.1%","distance_pc":"196 (~638 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"1613991367729831936","gaia_gmag":"10.95","gaia_lum":"1.20 x the Sun","gaia_mass":"0.98 x the Sun","gaia_radius":"1.09 x the Sun","gaia_teff":"5,765 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 23"},{"date":"2026-10-11","text":"Rare-find check: Microlensing (rogue planet?)"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[0.798,4.491],"last_update":"2026-10-11","nearest_variable":"PU Dra (EA, P = 1.5456 d), 85\" away (same period!)","nearest_variable_id":"PU Dra","notes":"Probably noise or an instrument effect.\nRare, already known: Microlensing (rogue planet?) (in SIMBAD as TYC 3867-584-1 (*); the catalogued variable PU Dra (EA, 85\" away) has the same period - its light leaks into TESS's big pixels).\n\nWARNING: same period as the known variable PU Dra 85\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 23 (flagged in 2 sector(s)). Detection score 92.9.\nNot in VSX, ASAS-SN or ZTF variable catalogues at the time of the search; not in Gaia DR3's variable lists.\nUnchecked by hand yet: verify the period, nearby stars and a wider catalogue search.\n\nUpdates:\n2026-10-11  Planet check: Probably noise or an instrument effect\n2026-10-11  Rare-find check: Microlensing (rogue planet?)\n2026-10-11  Found by the automatic search in TESS sector 23","period_days":"1.54504","period_source":"hunt.py on TESS QLP sector 23","planet_check":"Probably noise or an instrument effect","planet_size":"~17.0 Earth radii (~1.52 Jupiter)","planet_verdict":"fa","ra":"225.204","rare":"Microlensing (rogue planet?)","rare_checked":"2026-10-11 16:57","rare_clear":["Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Lopsided transit","Dimming beside the transit","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"microlensing","level":"candidate","name":"Microlensing (rogue planet?)","text":"A one-off, symmetric brightening at BTJD 3385.54 that fits the gravitational-lens shape better than a flare (Einstein time 16.2 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."}],"rare_known":true,"rare_known_why":["in SIMBAD as TYC 3867-584-1 (*)","the catalogued variable PU Dra (EA, 85\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable PU Dra"],"rare_level":"candidate","rare_n":11,"ruwe":"0.94 - fits a single star","score":"92.9","sector":23,"simbad_id":"TYC 3867-584-1","simbad_name":"TYC 3867-584-1 [*]","status":"Rare, already known","tic":"405525689","title":"TIC 405525689","tmag":"10.52","type":"Transit candidate"}