{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Lopsided transit; Ultra-short-period planet","toi":""},"amplitude":"2.3%","bp_rp":"1.45","cover":"TIC159871619_s0023.png","data_used":"TESS sector 23 (QLP)","date":"2026-10-11","dec":"53.2152","depth":"2.1%","distance_pc":"162 (~528 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"1597110565708365440","gaia_gmag":"12.87","gaia_lum":"0.21 x the Sun","gaia_mass":"0.72 x the Sun","gaia_radius":"0.71 x the Sun","gaia_teff":"4,601 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 23"},{"date":"2026-10-11","text":"Rare-find check: Lopsided transit; Ultra-short-period planet"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[1.451,6.822],"last_update":"2026-10-11","nearest_variable":"ASASSN-V J155028.66+531220.8 (EA, P = 0.6049 d), 35\" away (same period!)","nearest_variable_id":"ASASSN-V J155028.66+531220.8","notes":"Probably noise or an instrument effect.\nRare, already known: Ultra-short-period planet; Lopsided transit (in SIMBAD as UCAC4 717-054184 (*); the catalogued variable ASASSN-V J155028.66+531220.8 (EA, 35\" away) has the same period - its light leaks into TESS's big pixels).\n\nWARNING: same period as the known variable ASASSN-V J155028.66+531220.8 35\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 23 (flagged in 2 sector(s)). Detection score 174.3.\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: Lopsided transit; Ultra-short-period planet\n2026-10-11  Found by the automatic search in TESS sector 23","period_days":"0.604443","period_source":"hunt.py on TESS QLP sector 23","planet_check":"Probably noise or an instrument effect","planet_size":"~12.2 Earth radii (~1.09 Jupiter)","planet_verdict":"fa","ra":"237.622","rare":"Lopsided transit; Ultra-short-period planet","rare_checked":"2026-10-11 16:40","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Dimming beside the transit","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"usp","level":"notable","name":"Ultra-short-period planet","text":"One orbit takes 14.5 hours - ultra-short-period planets are found around only ~0.5% of stars (if the signal is a real planet - it hasn't passed the planet check)."},{"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 UCAC4 717-054184 (*)","the catalogued variable ASASSN-V J155028.66+531220.8 (EA, 35\" away) has the same period - its light leaks into TESS's big pixels","in the TESS eclipsing-binary catalogue (Prsa et al. 2022) as TIC 0159871619","same period as the known variable ASASSN-V J155028.66+531220.8"],"rare_level":"hint","rare_n":12,"ruwe":"1.04 - fits a single star","score":"174.3","sector":23,"simbad_id":"UCAC4 717-054184","simbad_name":"UCAC4 717-054184 [*]","status":"Rare, already known","tic":"159871619","title":"TIC 159871619","tmag":"12.15","type":"Transit candidate"}
