{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Pulsating star in an eclipsing binary","toi":""},"amplitude":"6.0%","bp_rp":"0.67","cover":"TIC270238763_s0018.png","data_used":"TESS sector 18 (QLP)","date":"2026-10-10","dec":"64.3827","depth":"10.5%","distance_pc":"804 (~2,621 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"2209124232664176640","gaia_gmag":"11.93","gaia_rv":"speed changes by 117 km/s - likely an orbiting pair","history":[{"date":"2026-10-10","text":"Found by the automatic search in TESS sector 18"},{"date":"2026-10-12","text":"Rare-find check: Pulsating star in an eclipsing binary"}],"hr":[0.672,2.41],"last_update":"2026-10-12","nearest_variable":"ZTF J232600.07+642229.3 (HADS, P = 0.10354 d), 50\" away","nearest_variable_id":"ZTF J232600.07+642229.3","notes":"Notable, already known: Pulsating star in an eclipsing binary (in SIMBAD as TYC 4288-1592-1 (*); catalogued variable star nearby: ZTF J232600.07+642229.3 (HADS, P = 0.10354 d), 50\" away).\n\nFound automatically by hunt.py in TESS sector 18 (flagged in 2 sector(s)). Detection score 730.7.\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:\n2026-10-12  Rare-find check: Pulsating star in an eclipsing binary\n2026-10-10  Found by the automatic search in TESS sector 18","period_days":"2.14474","period_source":"hunt.py on TESS QLP sector 18","ra":"351.474","rare":"Pulsating star in an eclipsing binary","rare_checked":"2026-10-12 02:51","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Eclipse timing (third body?)","Eccentric eclipsing binary","Eclipses changing depth","Extra dips outside the eclipses","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"eb_pulsator","level":"notable","name":"Pulsating star in an eclipsing binary","text":"Besides the eclipses, one star pulsates 9.7 times a day (336 ppm): a delta Scuti-type pulsator in an eclipsing binary. The eclipses give its mass and size, the pulsations its inside - a few hundred such systems are known."}],"rare_known":true,"rare_known_why":["in SIMBAD as TYC 4288-1592-1 (*)","catalogued variable star nearby: ZTF J232600.07+642229.3 (HADS, P = 0.10354 d), 50\" away"],"rare_level":"notable","rare_n":10,"ruwe":"1.29 - fits a single star","score":"730.7","sector":18,"simbad_id":"TYC 4288-1592-1","simbad_name":"TYC 4288-1592-1 [*]","status":"Notable, already known","tic":"270238763","title":"TIC 270238763","tmag":"11.59","type":"Eclipsing binary"}