{"_facts":{"companion":"1.5","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Eccentric eclipsing binary","toi":""},"amplitude":"5.7%","bp_rp":"0.95","cover":"TIC377190164_s0022.png","data_used":"TESS sector 22 (QLP)","date":"2026-10-09","dec":"58.7347","depth":"54.5%","distance_pc":"1,043 (~3,403 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"2155190129296591872","gaia_gmag":"13.63","gaia_lum":"2.80 x the Sun","gaia_mass":"1.07 x the Sun","gaia_radius":"1.97 x the Sun","gaia_teff":"5,307 K","history":[{"date":"2026-10-09","text":"Found by the automatic search in TESS sector 14"},{"date":"2026-10-09","text":"Gaia hints at a hidden companion star (RUWE 1.5)"},{"date":"2026-10-11","text":"Rare-find check: Eccentric eclipsing binary"}],"hr":[0.946,3.533],"last_update":"2026-10-11","nearest_variable":"RX Dra (EA/DM, P = 3.7864 d), 49\" away (same period!)","nearest_variable_id":"RX Dra","notes":"Notable, already known: Eccentric eclipsing binary (in SIMBAD as UCAC4 744-055865 (*); the catalogued variable RX Dra (EA/DM, 49\" away) has the same period - its light leaks into TESS's big pixels).\n\nWARNING: same period as the known variable RX Dra 49\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 22 (flagged in 12 sector(s)). Detection score 1320.0.\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:\n2026-10-11  Rare-find check: Eccentric eclipsing binary\n2026-10-09  Gaia hints at a hidden companion star (RUWE 1.5)\n2026-10-09  Found by the automatic search in TESS sector 14","period_days":"3.78603","period_source":"hunt.py on TESS QLP sector 22","ra":"285.701","rare":"Eccentric eclipsing binary","rare_checked":"2026-10-11 19:45","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","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 0.192 instead of 0.5: the orbit is stretched (eccentricity at least 0.484). Eccentric binaries show how tides shape orbits, and their slowly turning orbits test General Relativity."}],"rare_known":true,"rare_known_why":["in SIMBAD as UCAC4 744-055865 (*)","the catalogued variable RX Dra (EA/DM, 49\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable RX Dra"],"rare_level":"notable","rare_n":10,"ruwe":"1.54 - hints at a hidden companion star","score":"1320.0","sector":22,"simbad_id":"UCAC4 744-055865","simbad_name":"UCAC4 744-055865 [*]","status":"Notable, already known","tic":"377190164","title":"TIC 377190164","tmag":"13.14","type":"Eclipsing binary"}