{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"","rare":"Microlensing (rogue planet?)","toi":""},"amplitude":"4.2%","bp_rp":"0.87","cover":"TIC284314749_s0018.png","data_used":"TESS sector 18 (QLP)","date":"2026-10-10","dec":"62.8355","depth":"64.6%","distance_pc":"2,191 (~7,147 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"430799277227038336","gaia_gmag":"13.91","gaia_lum":"47.38 x the Sun","gaia_mass":"2.40 x the Sun","gaia_radius":"2.62 x the Sun","gaia_teff":"9,361 K","history":[{"date":"2026-10-10","text":"Found by the automatic search in TESS sector 18"},{"date":"2026-10-12","text":"Rare-find check: Microlensing (rogue planet?)"}],"hr":[0.87,2.202],"last_update":"2026-10-12","nearest_variable":"Gaia DR3 430799139788091904 (E, P = 3.9577 d), 56\" away (same period!)","nearest_variable_id":"Gaia DR3 430799139788091904","notes":"Rare, already known: Microlensing (rogue planet?) (the catalogued variable Gaia DR3 430799139788091904 (E, 56\" away) has the same period - its light leaks into TESS's big pixels; same period as the known variable Gaia DR3 430799139788091904).\n\nWARNING: same period as the known variable Gaia DR3 430799139788091904 56\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 18 (flagged in 3 sector(s)). Detection score 669.1.\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: Microlensing (rogue planet?)\n2026-10-10  Found by the automatic search in TESS sector 18","period_days":"7.91447","period_source":"hunt.py on TESS QLP sector 18","ra":"9.61133","rare":"Microlensing (rogue planet?)","rare_checked":"2026-10-12 04:32","rare_clear":["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":"microlensing","level":"candidate","name":"Microlensing (rogue planet?)","text":"A one-off, symmetric brightening at BTJD 3442.14 that fits the gravitational-lens shape better than a flare (Einstein time 0.7 h). Events this short can be made by a free-floating (rogue) planet passing in front of the star. Very rare in TESS data; scattered light and asteroids can mimic it."}],"rare_known":true,"rare_known_why":["the catalogued variable Gaia DR3 430799139788091904 (E, 56\" away) has the same period - its light leaks into TESS's big pixels","same period as the known variable Gaia DR3 430799139788091904"],"rare_level":"candidate","rare_n":9,"ruwe":"0.94 - fits a single star","score":"669.1","sector":18,"simbad_name":"not in SIMBAD","status":"Rare, already known","tic":"284314749","title":"TIC 284314749","tmag":"13.47","type":"Eclipsing binary"}
