{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Eccentric eclipsing binary","toi":""},"amplitude":"42.2%","bp_rp":"0.78","cover":"TIC50189756_s0018.png","data_used":"TESS sector 18 (QLP)","date":"2026-10-10","dec":"61.1128","depth":"51.7%","distance_pc":"2,237 (~7,296 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"465640253786611584","gaia_gmag":"12.86","gaia_lum":"279.48 x the Sun","gaia_mass":"3.73 x the Sun","gaia_radius":"3.45 x the Sun","gaia_teff":"13,023 K","history":[{"date":"2026-10-10","text":"Found by the automatic search in TESS sector 18"},{"date":"2026-10-11","text":"Rare-find check: Eccentric eclipsing binary"}],"hr":[0.781,1.11],"last_update":"2026-10-11","nearest_variable":"V1342 Cas (EA, P = 2.2376 d), 66\" away (same period!)","nearest_variable_id":"V1342 Cas","notes":"Notable, already known: Eccentric eclipsing binary (the catalogued variable V1342 Cas (EA, 66\" away) has the same period - its light leaks into TESS's big pixels; same period as the known variable V1342 Cas).\n\nWARNING: same period as the known variable V1342 Cas 66\" 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 1033.2.\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  Rare-find check: Eccentric eclipsing binary\n2026-10-10  Found by the automatic search in TESS sector 18","period_days":"2.23749","period_source":"hunt.py on TESS QLP sector 18","ra":"39.992","rare":"Eccentric eclipsing binary","rare_checked":"2026-10-11 21:56","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Eclipse timing (third body?)","More planets in the system","Extra dips outside the eclipses","Type of 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 0.167 instead of 0.5: the orbit is stretched (eccentricity at least 0.523). Eccentric binaries show how tides shape orbits, and their slowly turning orbits test General Relativity."}],"rare_known":true,"rare_known_why":["the catalogued variable V1342 Cas (EA, 66\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable V1342 Cas"],"rare_level":"notable","rare_n":7,"ruwe":"1.02 - fits a single star","score":"1033.2","sector":18,"simbad_name":"not in SIMBAD","status":"Notable, already known","tic":"50189756","title":"TIC 50189756","tmag":"12.5","type":"Eclipsing binary"}