{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Extra dips outside the eclipses; Red-dwarf eclipsing binary","toi":""},"amplitude":"3.6%","bp_rp":"2.82","cover":"TIC252468415_s0021.png","data_used":"TESS sector 21 (QLP)","date":"2026-10-11","dec":"51.0928","depth":"24.1%","distance_pc":"83 (~272 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"827111612020422528","gaia_gmag":"14.08","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 21"},{"date":"2026-10-12","text":"Rare-find check: Extra dips outside the eclipses; Red-dwarf eclipsing binary"}],"hr":[2.822,9.47],"last_update":"2026-10-12","nearest_variable":"none within 5'","notes":"Rare, already known: Red-dwarf eclipsing binary; Extra dips outside the eclipses (in SIMBAD as Gaia DR3 827111612020422528 (PM*); in the ATLAS variable-star catalogue (Heinze et al. 2018) as J150.4282+51.0926).\n\nFound automatically by hunt.py in TESS sector 21 (flagged in 1 sector(s)). Detection score 796.2.\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:\n2026-10-12  Rare-find check: Extra dips outside the eclipses; Red-dwarf eclipsing binary\n2026-10-11  Found by the automatic search in TESS sector 21","period_days":"3.16631","period_source":"hunt.py on TESS QLP sector 21","ra":"150.429","rare":"Extra dips outside the eclipses; Red-dwarf eclipsing binary","rare_checked":"2026-10-12 01:53","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Eclipse timing (third body?)","Pulsating star in an eclipsing binary","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"low_mass_eb","level":"notable","name":"Red-dwarf eclipsing binary","text":"Two small, cool stars (3264 K) eclipsing each other. Red dwarfs are the most common stars, yet their sizes don't match the theory - every new eclipsing pair of them helps."},{"id":"circumbinary","level":"hint","name":"Extra dips outside the eclipses","text":"1 dip(s) that don't belong to the eclipses (at BTJD 3355.04): a planet orbiting both stars (circumbinary, like Kepler-16b) makes dips at irregular times, or a third star."}],"rare_known":true,"rare_known_why":["in SIMBAD as Gaia DR3 827111612020422528 (PM*)","in the ATLAS variable-star catalogue (Heinze et al. 2018) as J150.4282+51.0926"],"rare_level":"hint","rare_n":9,"ruwe":"1.17 - fits a single star","score":"796.2","sector":21,"simbad_id":"Gaia DR3 827111612020422528","simbad_name":"Gaia DR3 827111612020422528 [PM*]","status":"Rare, already known","tic":"252468415","title":"TIC 252468415","tmag":"12.8","type":"Eclipsing binary"}