{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Transits of a giant star","toi":""},"amplitude":"7.0%","bp_rp":"3.29","cover":"TIC251377943_s0018.png","data_used":"TESS sector 18 (QLP)","date":"2026-10-10","dec":"59.1177","depth":"5.5%","distance_pc":"5,515 (~17,989 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"461402705915481472","gaia_gmag":"13.90","history":[{"date":"2026-10-10","text":"Found by the automatic search in TESS sector 18"},{"date":"2026-10-12","text":"Rare-find check: Transits of a giant star"}],"hr":[3.292,0.195],"last_update":"2026-10-12","nearest_variable":"ZTF J025759.03+590704.2 (EA, P = 2.1025 d), 34\" away (same period!)","nearest_variable_id":"ZTF J025759.03+590704.2","notes":"Notable, already known: Transits of a giant star (in SIMBAD as UCAC4 746-026352 (*); the catalogued variable ZTF J025759.03+590704.2 (EA, 34\" away) has the same period - its light leaks into TESS's big pixels).\n\nWARNING: same period as the known variable ZTF J025759.03+590704.2 34\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 18 (flagged in 1 sector(s)). Detection score 387.5.\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: Transits of a giant star\n2026-10-10  Found by the automatic search in TESS sector 18","period_days":"2.10404","period_source":"hunt.py on TESS QLP sector 18","ra":"44.4777","rare":"Transits of a giant star","rare_checked":"2026-10-12 18:07","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Eclipse timing (third body?)","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":"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 746-026352 (*)","the catalogued variable ZTF J025759.03+590704.2 (EA, 34\" away) has the same period - its light leaks into TESS's big pixels","in the ATLAS variable-star catalogue (Heinze et al. 2018) as J044.4777+59.1177","same period as the known variable ZTF J025759.03+590704.2"],"rare_level":"notable","rare_n":9,"ruwe":"1.15 - fits a single star","score":"387.5","sector":18,"simbad_id":"UCAC4 746-026352","simbad_name":"UCAC4 746-026352 [*]","status":"Notable, already known","tic":"251377943","title":"TIC 251377943","tmag":"12.36","type":"Eclipsing binary"}
