{"_facts":{"companion":"3.5","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Microlensing (rogue planet?); Lopsided transit; Ultra-short-period planet","toi":""},"amplitude":"0.6%","bp_rp":"1.86","cover":"TIC365071520_s0023.png","data_used":"TESS sector 23 (QLP)","date":"2026-10-11","dec":"1.36292","depth":"0.4%","distance_pc":"84 (~273 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"3711312340332547456","gaia_gmag":"12.64","gaia_lum":"0.08 x the Sun","gaia_radius":"0.73 x the Sun","gaia_rv":"speed changes by 21 km/s - likely an orbiting pair","gaia_teff":"3,621 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 23"},{"date":"2026-10-11","text":"Gaia hints at a hidden companion star (RUWE 3.5)"},{"date":"2026-10-11","text":"Rare-find check: Microlensing (rogue planet?); Lopsided transit; Ultra-short-period planet"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[1.858,8.019],"last_update":"2026-10-11","nearest_variable":"LINEAR 9227092 (EA, P = 0.8421 d), 67\" away (same period!)","nearest_variable_id":"LINEAR 9227092","notes":"Probably noise or an instrument effect.\nRare, already known: Microlensing (rogue planet?); Ultra-short-period planet; Hot Neptune desert (in SIMBAD as Gaia DR3 3711312340332547456 (PM*); the catalogued variable LINEAR 9227092 (EA, 67\" away) has the same period - its light leaks into TESS's big pixels).\n\nWARNING: same period as the known variable LINEAR 9227092 67\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 23 (flagged in 1 sector(s)). Detection score 58.5.\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?); Lopsided transit; Ultra-short-period planet\n2026-10-11  Gaia hints at a hidden companion star (RUWE 3.5)\n2026-10-11  Found by the automatic search in TESS sector 23","period_days":"0.42075","period_source":"hunt.py on TESS QLP sector 23","planet_check":"Probably noise or an instrument effect","planet_size":"~4.6 Earth radii (~0.41 Jupiter)","planet_verdict":"fa","ra":"202.287","rare":"Microlensing (rogue planet?); Lopsided transit; Ultra-short-period planet","rare_checked":"2026-10-11 17:06","rare_clear":["Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"microlensing","level":"hint","name":"Microlensing (rogue planet?)","text":"A one-off, symmetric brightening at BTJD 3799.29 that fits the gravitational-lens shape better than a flare (Einstein time 29.5 h). This length points to a star or brown dwarf as the lens. Very rare in TESS data; scattered light and asteroids can mimic it."},{"id":"usp","level":"notable","name":"Ultra-short-period planet","text":"One orbit takes 10.1 hours - ultra-short-period planets are found around only ~0.5% of stars (if the signal is a real planet - it hasn't passed the planet check)."},{"id":"neptune_desert","level":"notable","name":"Hot Neptune desert","text":"A 4.6 Earth-radius planet on a 0.42-day orbit sits in the 'hot Neptune desert', where very few planets are known (if the signal is a real planet - it hasn't passed the planet check)."},{"id":"asymmetry","level":"hint","name":"Lopsided transit","text":"The end of the transit is deeper than the start: a dust tail (disintegrating planet), rings, a fast-spinning star, or a blend."}],"rare_known":true,"rare_known_why":["in SIMBAD as Gaia DR3 3711312340332547456 (PM*)","the catalogued variable LINEAR 9227092 (EA, 67\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable LINEAR 9227092"],"rare_level":"hint","rare_n":12,"ruwe":"3.55 - hints at a hidden companion star","score":"58.5","sector":23,"simbad_id":"Gaia DR3 3711312340332547456","simbad_name":"Gaia DR3 3711312340332547456 [PM*], 1.7\" away","status":"Rare, already known","tic":"365071520","title":"TIC 365071520","tmag":"11.64","type":"Transit candidate"}