{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Eccentric eclipsing binary; Transits of a giant star","toi":""},"amplitude":"28.4%","bp_rp":"2.16","cover":"TIC284726218_s0024.png","data_used":"TESS sector 24 (QLP)","date":"2026-10-11","dec":"62.7226","depth":"58.4%","distance_pc":"3,772 (~12,304 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"427785790732544256","gaia_gmag":"13.79","gaia_lum":"303.84 x the Sun","gaia_mass":"3.87 x the Sun","gaia_radius":"14.14 x the Sun","gaia_teff":"4,918 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 24"},{"date":"2026-10-12","text":"Rare-find check: Eccentric eclipsing binary; Transits of a giant star"}],"hr":[2.158,0.911],"last_update":"2026-10-12","nearest_variable":"NSVS 1666821 (VAR, P = 2.2777 d), 40\" away (same period!)","nearest_variable_id":"NSVS 1666821","notes":"Notable, already known: Eccentric eclipsing binary; Transits of a giant star (the catalogued variable NSVS 1666821 (VAR, 40\" away) has the same period - its light leaks into TESS's big pixels; same period as the known variable NSVS 1666821).\n\nWARNING: same period as the known variable NSVS 1666821 40\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 24 (flagged in 1 sector(s)). Detection score 807.8.\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: Eccentric eclipsing binary; Transits of a giant star\n2026-10-11  Found by the automatic search in TESS sector 24","period_days":"2.27799","period_source":"hunt.py on TESS QLP sector 24","ra":"10.5561","rare":"Eccentric eclipsing binary; Transits of a giant star","rare_checked":"2026-10-12 01:36","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Eclipse timing (third body?)","Pulsating star in an eclipsing binary","Second eclipsing pair","Extra dips outside the eclipses","Heartbeat star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"eccentric_eb","level":"notable","name":"Eccentric eclipsing binary","text":"The second eclipse comes at phase 0.828 instead of 0.5: the orbit is stretched (eccentricity at least 0.516). 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 NSVS 1666821 (VAR, 40\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable NSVS 1666821"],"rare_level":"notable","rare_n":9,"ruwe":"1.00 - fits a single star","score":"807.8","sector":24,"simbad_name":"not in SIMBAD","status":"Notable, already known","tic":"284726218","title":"TIC 284726218","tmag":"12.72","type":"Eclipsing binary"}