{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Microlensing (rogue planet?); Lopsided transit","toi":""},"amplitude":"0.2%","bp_rp":"0.91","cover":"TIC159540747_s0021.png","data_used":"TESS sector 21 (QLP)","date":"2026-10-11","dec":"82.4857","depth":"1.4%","distance_pc":"453 (~1,476 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"1722807624053230848","gaia_gmag":"11.98","gaia_lum":"2.75 x the Sun","gaia_mass":"1.08 x the Sun","gaia_radius":"1.67 x the Sun","gaia_rv":"speed changes by 40 km/s - likely an orbiting pair","gaia_teff":"5,752 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 21"},{"date":"2026-10-11","text":"Rare-find check: Microlensing (rogue planet?); Lopsided transit"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[0.909,3.705],"last_update":"2026-10-11","nearest_variable":"none within 5'","notes":"Probably noise or an instrument effect.\nRare, already known: Microlensing (rogue planet?); Lopsided transit (in SIMBAD as 2MASS J16343224+8229086 (SB*)).\n\nNOTE: SIMBAD already lists this star (2MASS J16343224+8229086) as type SB*, so it may be known after all - check the SIMBAD references.\nFound automatically by hunt.py in TESS sector 21 (flagged in 6 sector(s)). Detection score 151.6.\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  Planet check: Probably noise or an instrument effect\n2026-10-11  Rare-find check: Microlensing (rogue planet?); Lopsided transit\n2026-10-11  Found by the automatic search in TESS sector 21","period_days":"4.35225","period_source":"hunt.py on TESS QLP sector 21","planet_check":"Probably noise or an instrument effect","planet_size":"~21.9 Earth radii (~1.96 Jupiter)","planet_verdict":"fa","ra":"248.634","rare":"Microlensing (rogue planet?); Lopsided transit","rare_checked":"2026-10-11 16:48","rare_clear":["Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Dimming beside the transit","Trojan companions (L4/L5)","More planets in the system","Self-lensing binary","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 2931.43 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."},{"id":"asymmetry","level":"hint","name":"Lopsided transit","text":"The start of the transit is deeper than the end: a dust tail (disintegrating planet), rings, a fast-spinning star, or a blend."}],"rare_known":true,"rare_known_why":["in SIMBAD as 2MASS J16343224+8229086 (SB*)"],"rare_level":"candidate","rare_n":12,"ruwe":"0.94 - fits a single star","score":"151.6","sector":21,"simbad_id":"2MASS J16343224+8229086","simbad_name":"2MASS J16343224+8229086 [SB*]","status":"Rare, already known","tic":"159540747","title":"TIC 159540747","tmag":"11.51","type":"Transit candidate"}