{"_facts":{"companion":"47.2","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Transit timing (TTV); Transits of a giant star","toi":""},"amplitude":"1.8%","bp_rp":"1.22","cover":"TIC455691857_s0016.png","data_used":"TESS sector 16 (QLP)","date":"2026-10-11","dec":"44.7626","depth":"1.8%","distance_pc":"2,288 (~7,463 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"1961874475941120768","gaia_gmag":"12.29","gaia_lum":"125.88 x the Sun","gaia_mass":"2.96 x the Sun","gaia_radius":"8.29 x the Sun","gaia_rv":"speed changes by 55 km/s - likely an orbiting pair","gaia_teff":"6,634 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 16"},{"date":"2026-10-11","text":"Gaia hints at a hidden companion star (RUWE 47.2)"},{"date":"2026-10-11","text":"Rare-find check: Transit timing (TTV); Transits of a giant star"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[1.224,0.489],"last_update":"2026-10-11","nearest_variable":"Gaia DR3 1961874063624122112 (S), 124\" away","nearest_variable_id":"Gaia DR3 1961874063624122112","notes":"Probably noise or an instrument effect.\nRare, already known: Transit timing (TTV); Transits of a giant star (in SIMBAD as UCAC4 674-111420 (SB*); catalogued variable star nearby: Gaia DR3 1961874063624122112 (S), 124\" away).\n\nNOTE: SIMBAD already lists this star (UCAC4 674-111420) as type SB*, so it may be known after all - check the SIMBAD references.\nFound automatically by hunt.py in TESS sector 16 (flagged in 1 sector(s)). Detection score 181.1.\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); Transits of a giant star\n2026-10-11  Gaia hints at a hidden companion star (RUWE 47.2)\n2026-10-11  Found by the automatic search in TESS sector 16","period_days":"1.20186","period_source":"hunt.py on TESS QLP sector 16","planet_check":"Probably noise or an instrument effect","planet_size":"~117.7 Earth radii (~10.5 Jupiter) - too big for a planet","planet_verdict":"fa","ra":"332.997","rare":"Transit timing (TTV); Transits of a giant star","rare_checked":"2026-10-11 16:39","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Habitable zone & size","Transit duration (TDV)","Changing transit depth","Lopsided transit","Dimming beside the transit"],"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 4.5 min (typical error 1.5 min) repeating every ~258.9 orbits: something is tugging on the planet - another planet, or a moon."},{"id":"giant_host","level":"notable","name":"Transits of a giant star","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."}],"rare_known":true,"rare_known_why":["in SIMBAD as UCAC4 674-111420 (SB*)","catalogued variable star nearby: Gaia DR3 1961874063624122112 (S), 124\" away"],"rare_level":"candidate","rare_n":11,"ruwe":"47.25 - hints at a hidden companion star","score":"181.1","sector":16,"simbad_id":"UCAC4 674-111420","simbad_name":"UCAC4 674-111420 [SB*]","status":"Rare, already known","tic":"455691857","title":"TIC 455691857","tmag":"11.62","type":"Transit candidate"}