{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Transit timing (TTV); Lopsided transit","toi":""},"amplitude":"4.2%","bp_rp":"0.44","cover":"TIC264618290_s0018.png","data_used":"TESS sector 18 (QLP)","date":"2026-10-10","dec":"55.2677","depth":"4.1%","distance_pc":"769 (~2,509 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"456695765357097472","gaia_gmag":"10.92","gaia_lum":"26.36 x the Sun","gaia_mass":"2.05 x the Sun","gaia_radius":"2.75 x the Sun","gaia_teff":"7,870 K","history":[{"date":"2026-10-10","text":"Found by the automatic search in TESS sector 18"},{"date":"2026-10-11","text":"Rare-find check: Transit timing (TTV); Lopsided transit"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[0.439,1.494],"last_update":"2026-10-11","nearest_variable":"ZTF J021811.22+551819.4 (BY, P = 5.5623 d), 139\" away","nearest_variable_id":"ZTF J021811.22+551819.4","notes":"Probably noise or an instrument effect.\nRare, already known: Transit timing (TTV); Lopsided transit (in SIMBAD as TYC 3690-2042-1 (SB*); catalogued variable star nearby: ZTF J021811.22+551819.4 (BY, P = 5.5623 d), 139\" away).\n\nNOTE: SIMBAD already lists this star (TYC 3690-2042-1) as type SB*, so it may be known after all - check the SIMBAD references.\nFound automatically by hunt.py in TESS sector 18 (flagged in 1 sector(s)). Detection score 482.2.\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: Transit timing (TTV); Lopsided transit\n2026-10-10  Found by the automatic search in TESS sector 18","period_days":"1.29823","period_source":"hunt.py on TESS QLP sector 18","planet_check":"Probably noise or an instrument effect","planet_size":"~61.7 Earth radii (~5.5 Jupiter) - too big for a planet","planet_verdict":"fa","ra":"34.5316","rare":"Transit timing (TTV); Lopsided transit","rare_checked":"2026-10-11 16:23","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Habitable zone & size","Transit duration (TDV)","Changing transit depth","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"ttv","level":"candidate","name":"Transit timing (TTV)","text":"The transits arrive early or late by 10.1 min (typical error 1.1 min) repeating every ~4263.0 orbits: something is tugging on the planet - another planet, or a moon."},{"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 TYC 3690-2042-1 (SB*)","catalogued variable star nearby: ZTF J021811.22+551819.4 (BY, P = 5.5623 d), 139\" away"],"rare_level":"candidate","rare_n":10,"ruwe":"1.13 - fits a single star","score":"482.2","sector":18,"simbad_id":"TYC 3690-2042-1","simbad_name":"TYC 3690-2042-1 [SB*]","status":"Rare, already known","tic":"264618290","title":"TIC 264618290","tmag":"10.7","type":"Transit candidate"}
