{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Transit timing (TTV); Microlensing (rogue planet?); Transits of a giant star","toi":""},"amplitude":"6.0%","bp_rp":"1.13","cover":"TIC423005430_s0020.png","data_used":"TESS sector 20 (QLP)","date":"2026-10-11","dec":"57.4117","depth":"4.7%","distance_pc":"2,517 (~8,208 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"998532479882320768","gaia_gmag":"13.73","gaia_lum":"27.99 x the Sun","gaia_mass":"2.13 x the Sun","gaia_radius":"5.22 x the Sun","gaia_teff":"5,813 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 20"},{"date":"2026-10-11","text":"Rare-find check: Transit timing (TTV); Microlensing (rogue planet?); Transits of a giant star"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[1.134,1.722],"last_update":"2026-10-11","nearest_variable":"ASASSN-V J062432.23+572356.4 (EA, P = 1.511 d), 46\" away (same period!)","nearest_variable_id":"ASASSN-V J062432.23+572356.4","notes":"Probably noise or an instrument effect.\nRare, already known: Microlensing (rogue planet?); Transit timing (TTV); Transits of a giant star (the catalogued variable ASASSN-V J062432.23+572356.4 (EA, 46\" away) has the same period - its light leaks into TESS's big pixels; same period as the known variable ASASSN-V J062432.23+572356.4).\n\nWARNING: same period as the known variable ASASSN-V J062432.23+572356.4 46\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 20 (flagged in 1 sector(s)). Detection score 203.7.\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); Microlensing (rogue planet?); Transits of a giant star\n2026-10-11  Found by the automatic search in TESS sector 20","period_days":"0.755619","period_source":"hunt.py on TESS QLP sector 20","planet_check":"Probably noise or an instrument effect","planet_size":"~111.4 Earth radii (~9.94 Jupiter) - too big for a planet","planet_verdict":"fa","ra":"96.1347","rare":"Transit timing (TTV); Microlensing (rogue planet?); Transits of a giant star","rare_checked":"2026-10-11 16:35","rare_clear":["Exocomet-shaped dip","Habitable zone & size","Changing transit depth","Lopsided transit"],"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 2955.19 that fits the gravitational-lens shape better than a flare (Einstein time 56.3 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":"ttv","level":"candidate","name":"Transit timing (TTV)","text":"The transits arrive early or late by 26.3 min (typical error 1.9 min) repeating every ~2.0 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":["the catalogued variable ASASSN-V J062432.23+572356.4 (EA, 46\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable ASASSN-V J062432.23+572356.4"],"rare_level":"candidate","rare_n":9,"ruwe":"1.08 - fits a single star","score":"203.7","sector":20,"simbad_name":"not in SIMBAD","status":"Rare, already known","tic":"423005430","title":"TIC 423005430","tmag":"13.15","type":"Transit candidate"}