{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Eclipse timing (third body?); Eccentric eclipsing binary; Transits of a giant star","toi":""},"amplitude":"50.9%","bp_rp":"1.47","cover":"TIC328141469_s0013.png","data_used":"TESS sector 13 (QLP)","date":"2026-10-09","dec":"-36.5772","depth":"73.6%","distance_pc":"3,544 (~11,560 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"4038676603181277184","gaia_gmag":"13.72","history":[{"date":"2026-10-09","text":"Found by the automatic search in TESS sector 13"},{"date":"2026-10-12","text":"Rare-find check: Eclipse timing (third body?); Eccentric eclipsing binary; Transits of a giant star"}],"hr":[1.474,0.971],"last_update":"2026-10-12","nearest_variable":"ASAS J180448-3634.3 (ED, P = 3.849 d), 39\" away (same period!)","nearest_variable_id":"ASAS J180448-3634.3","notes":"Rare, already known: Eclipse timing (third body?); Eccentric eclipsing binary; Transits of a giant star (the catalogued variable ASAS J180448-3634.3 (ED, 39\" away) has the same period - its light leaks into TESS's big pixels; same period as the known variable ASAS J180448-3634.3).\n\nWARNING: same period as the known variable ASAS J180448-3634.3 39\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 13 (flagged in 1 sector(s)). Detection score 865.0.\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:\n2026-10-12  Rare-find check: Eclipse timing (third body?); Eccentric eclipsing binary; Transits of a giant star\n2026-10-09  Found by the automatic search in TESS sector 13","period_days":"3.84667","period_source":"hunt.py on TESS QLP sector 13","ra":"271.19","rare":"Eclipse timing (third body?); Eccentric eclipsing binary; Transits of a giant star","rare_checked":"2026-10-12 01:04","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Eclipses changing depth","Pulsating star in an eclipsing binary","Extra dips outside the eclipses"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"etv","level":"candidate","name":"Eclipse timing (third body?)","text":"The eclipses drift early and late by 6.8 min, repeating every ~698 days: light taking longer or shorter to reach us as the pair is pulled around by a hidden third star (or planet), or a slowly turning eccentric orbit."},{"id":"eccentric_eb","level":"notable","name":"Eccentric eclipsing binary","text":"The second eclipse comes at phase 0.190 instead of 0.5: the orbit is stretched (eccentricity at least 0.487). Eccentric binaries show how tides shape orbits, and their slowly turning orbits test General Relativity."},{"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 ASAS J180448-3634.3 (ED, 39\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable ASAS J180448-3634.3"],"rare_level":"candidate","rare_n":10,"ruwe":"0.88 - fits a single star","score":"865.0","sector":13,"simbad_name":"not in SIMBAD","status":"Rare, already known","tic":"328141469","title":"TIC 328141469","tmag":"12.98","type":"Eclipsing binary"}