{"_facts":{"companion":"1.4","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Eccentric eclipsing binary","toi":""},"amplitude":"9.1%","bp_rp":"1.70","cover":"TIC274179241_s0015.png","data_used":"TESS sector 15 (QLP)","date":"2026-10-09","dec":"40.8449","depth":"76.2%","distance_pc":"1,018 (~3,321 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"2068355202062477440","gaia_gmag":"14.19","gaia_lum":"5.96 x the Sun","gaia_mass":"1.42 x the Sun","gaia_radius":"2.91 x the Sun","gaia_teff":"5,280 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 1.4)"},{"date":"2026-10-12","text":"Rare-find check: Eccentric eclipsing binary"}],"hr":[1.695,4.149],"last_update":"2026-10-12","nearest_variable":"Gaia DR3 2068355098983258496 (YSO), 41\" away","nearest_variable_id":"Gaia DR3 2068355098983258496","notes":"Notable, already known: Eccentric eclipsing binary (in SIMBAD as ATO J304.8032+40.8448 (V*); catalogued variable star nearby: Gaia DR3 2068355098983258496 (YSO), 41\" away).\n\nNOTE: SIMBAD already lists this star (ATO J304.8032+40.8448) as type V*, so it may be known after all - check the SIMBAD references.\nFound automatically by hunt.py in TESS sector 15 (flagged in 2 sector(s)). Detection score 574.9.\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\n2026-10-09  Gaia hints at a hidden companion star (RUWE 1.4)\n2026-10-09  Found by the automatic search in TESS sector 14","period_days":"2.07283","period_source":"hunt.py on TESS QLP sector 15","ra":"304.803","rare":"Eccentric eclipsing binary","rare_checked":"2026-10-12 07:36","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 0.181 instead of 0.5: the orbit is stretched (eccentricity at least 0.502). Eccentric binaries show how tides shape orbits, and their slowly turning orbits test General Relativity."}],"rare_known":true,"rare_known_why":["in SIMBAD as ATO J304.8032+40.8448 (V*)","catalogued variable star nearby: Gaia DR3 2068355098983258496 (YSO), 41\" away","in the ATLAS variable-star catalogue (Heinze et al. 2018) as J304.8032+40.8448","SIMBAD lists ATO J304.8032+40.8448 also as ATO J304.8032+40.8448"],"rare_level":"notable","rare_n":10,"ruwe":"1.42 - hints at a hidden companion star","score":"574.9","sector":15,"simbad_id":"ATO J304.8032+40.8448","simbad_name":"ATO J304.8032+40.8448 [V*]","status":"Notable, already known","tic":"274179241","title":"TIC 274179241","tmag":"13.32","type":"Eclipsing binary"}
