{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Already known to NASA: TOI 1857.01 (APC)","rare":"Ultra-short-period planet","toi":"TOI 1857.01 (APC)"},"amplitude":"0.1%","bp_rp":"0.42","cover":"TIC180652891_s0023.png","data_used":"TESS sector 23 (QLP)","date":"2026-10-11","dec":"35.954","depth":"0.1%","distance_pc":"315 (~1,027 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"1474373972485771520","gaia_gmag":"9.47","gaia_lum":"12.02 x the Sun","gaia_mass":"1.71 x the Sun","gaia_radius":"2.30 x the Sun","gaia_teff":"7,091 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 23"},{"date":"2026-10-11","text":"Planet check: Already known to NASA: TOI 1857.01 (APC)"},{"date":"2026-10-11","text":"Found on NASA's list of TESS planet candidates: TOI 1857.01 (APC)"},{"date":"2026-10-11","text":"Rare-find check: Ultra-short-period planet"}],"hr":[0.422,1.98],"last_update":"2026-10-11","nearest_variable":"Gaia DR3 1474372117059924992 (ROT), 213\" away","nearest_variable_id":"Gaia DR3 1474372117059924992","notes":"Already known to NASA: TOI 1857.01 (APC).\nNotable, already known: Ultra-short-period planet (on NASA's TESS list as TOI 1857.01 (APC); in SIMBAD as TOI-1857.01 (err)).\nAlready on NASA's TESS list as TOI 1857.01 (APC).\n\nFound automatically by hunt.py in TESS sector 23 (flagged in 1 sector(s)). Detection score 48.7.\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  Rare-find check: Ultra-short-period planet\n2026-10-11  Found on NASA's list of TESS planet candidates: TOI 1857.01 (APC)\n2026-10-11  Planet check: Already known to NASA: TOI 1857.01 (APC)\n2026-10-11  Found by the automatic search in TESS sector 23","period_days":"0.776021","period_source":"hunt.py on TESS QLP sector 23","planet_check":"Already known to NASA: TOI 1857.01 (APC)","planet_size":"~9.6 Earth radii (~0.85 Jupiter)","planet_verdict":"toi","ra":"199.607","rare":"Ultra-short-period planet","rare_checked":"2026-10-11 17:11","rare_clear":["Microlensing (rogue planet?)","Superflare","Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Lopsided transit","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 18.6 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)."}],"rare_known":true,"rare_known_why":["on NASA's TESS list as TOI 1857.01 (APC)","in SIMBAD as TOI-1857.01 (err)","catalogued variable star nearby: Gaia DR3 1474372117059924992 (ROT), 213\" away","SIMBAD lists TOI-1857.01 also as TOI-1857.01"],"rare_level":"notable","rare_n":13,"ruwe":"1.27 - fits a single star","score":"48.7","sector":23,"simbad_id":"TOI-1857.01","simbad_name":"TOI-1857.01 [err]","status":"Known to NASA (TOI)","tic":"180652891","title":"TIC 180652891","tmag":"9.243","toi":"TOI 1857.01 (APC)","type":"Transit candidate"}