{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Already known to NASA: CTOI 152799053.01 (PC)","rare":"Ultra-short-period planet; Hot Neptune desert","toi":"CTOI 152799053.01 (PC)"},"amplitude":"1.0%","bp_rp":"0.98","cover":"TIC152799053_s0028.png","data_used":"TESS sector 28 (QLP)","date":"2026-10-12","dec":"-40.35","depth":"0.6%","distance_pc":"201 (~655 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"6546199658606958208","gaia_gmag":"11.98","gaia_lum":"0.50 x the Sun","gaia_mass":"0.83 x the Sun","gaia_radius":"0.86 x the Sun","gaia_teff":"5,227 K","history":[{"date":"2026-10-12","text":"Found by the automatic search in TESS sector 28"},{"date":"2026-10-12","text":"Planet check: Already known to NASA: CTOI 152799053.01 (PC)"},{"date":"2026-10-12","text":"Found on NASA's list of TESS planet candidates: CTOI 152799053.01 (PC)"},{"date":"2026-10-12","text":"Rare-find check: Ultra-short-period planet; Hot Neptune desert"}],"hr":[0.978,5.464],"last_update":"2026-10-12","nearest_variable":"ASASSN-V J225342.47-402020.8 (EA, P = 1.0758 d), 77\" away (same period!)","nearest_variable_id":"ASASSN-V J225342.47-402020.8","notes":"Already known to NASA: CTOI 152799053.01 (PC).\nNotable, already known: Ultra-short-period planet; Hot Neptune desert (on NASA's TESS list as CTOI 152799053.01 (PC); in SIMBAD as TYC 8008-881-1 (*)).\nAlready on NASA's TESS list as CTOI 152799053.01 (PC).\n\nWARNING: same period as the known variable ASASSN-V J225342.47-402020.8 77\" away; the signal is probably its light leaking in.\nFound automatically by hunt.py in TESS sector 28 (flagged in 2 sector(s)). Detection score 87.1.\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: Ultra-short-period planet; Hot Neptune desert\n2026-10-12  Found on NASA's list of TESS planet candidates: CTOI 152799053.01 (PC)\n2026-10-12  Planet check: Already known to NASA: CTOI 152799053.01 (PC)\n2026-10-12  Found by the automatic search in TESS sector 28","period_days":"0.537993","period_source":"hunt.py on TESS QLP sector 28","planet_check":"Already known to NASA: CTOI 152799053.01 (PC)","planet_size":"~5.4 Earth radii (~0.48 Jupiter)","planet_verdict":"toi","ra":"343.403","rare":"Ultra-short-period planet; Hot Neptune desert","rare_checked":"2026-10-11 17:24","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Lopsided 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 12.9 hours - ultra-short-period planets are found around only ~0.5% of stars."},{"id":"neptune_desert","level":"notable","name":"Hot Neptune desert","text":"A 5.4 Earth-radius planet on a 0.54-day orbit sits in the 'hot Neptune desert', where very few planets are known."}],"rare_known":true,"rare_known_why":["on NASA's TESS list as CTOI 152799053.01 (PC)","in SIMBAD as TYC 8008-881-1 (*)","same period as the known variable ASASSN-V J225342.47-402020.8"],"rare_level":"notable","rare_n":12,"ruwe":"0.96 - fits a single star","score":"87.1","sector":28,"simbad_id":"TYC 8008-881-1","simbad_name":"TYC 8008-881-1 [*]","status":"Known to NASA (TOI)","tic":"152799053","title":"TIC 152799053","tmag":"11.47","toi":"CTOI 152799053.01 (PC)","type":"Transit candidate"}