{"_facts":{"companion":"3.7","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Already known to NASA: TOI 311.01 (APC)","rare":"Lopsided transit; Ultra-short-period planet","toi":"TOI 311.01 (APC)"},"amplitude":"1.4%","bp_rp":"1.74","cover":"TIC434105231_s0029.png","data_used":"TESS sector 29 (QLP)","date":"2026-10-12","dec":"-13.4557","depth":"1.9%","distance_pc":"233 (~760 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"2432077290659277952","gaia_gmag":"13.77","gaia_lum":"0.21 x the Sun","gaia_mass":"0.73 x the Sun","gaia_radius":"0.98 x the Sun","gaia_teff":"4,435 K","history":[{"date":"2026-10-12","text":"Found by the automatic search in TESS sector 29"},{"date":"2026-10-12","text":"Planet check: Already known to NASA: TOI 311.01 (APC)"},{"date":"2026-10-12","text":"Found on NASA's list of TESS planet candidates: TOI 311.01 (APC)"},{"date":"2026-10-12","text":"Gaia hints at a hidden companion star (RUWE 3.7)"},{"date":"2026-10-12","text":"Rare-find check: Lopsided transit; Ultra-short-period planet"}],"hr":[1.736,6.935],"last_update":"2026-10-12","nearest_variable":"none within 5'","notes":"Already known to NASA: TOI 311.01 (APC).\nRare, already known: Ultra-short-period planet; Lopsided transit (on NASA's TESS list as TOI 311.01 (APC); in the ATLAS variable-star catalogue (Heinze et al. 2018) as J354.3357-13.4557).\nAlready on NASA's TESS list as TOI 311.01 (APC).\n\nFound automatically by hunt.py in TESS sector 29 (flagged in 2 sector(s)). Detection score 62.4.\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: Lopsided transit; Ultra-short-period planet\n2026-10-12  Gaia hints at a hidden companion star (RUWE 3.7)\n2026-10-12  Found on NASA's list of TESS planet candidates: TOI 311.01 (APC)\n2026-10-12  Planet check: Already known to NASA: TOI 311.01 (APC)\n2026-10-12  Found by the automatic search in TESS sector 29","period_days":"0.796551","period_source":"hunt.py on TESS QLP sector 29","planet_check":"Already known to NASA: TOI 311.01 (APC)","planet_size":"~13.6 Earth radii (~1.21 Jupiter)","planet_verdict":"toi","ra":"354.336","rare":"Lopsided transit; Ultra-short-period planet","rare_checked":"2026-10-11 17:08","rare_clear":["Microlensing (rogue planet?)","Superflare","Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Dimming beside the transit","Trojan companions (L4/L5)","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 19.1 hours - ultra-short-period planets are found around only ~0.5% of stars."},{"id":"asymmetry","level":"hint","name":"Lopsided transit","text":"The end of the transit is deeper than the start: a dust tail (disintegrating planet), rings, a fast-spinning star, or a blend."}],"rare_known":true,"rare_known_why":["on NASA's TESS list as TOI 311.01 (APC)","in the ATLAS variable-star catalogue (Heinze et al. 2018) as J354.3357-13.4557","SIMBAD lists TOI-311 also as TOI-311","in SIMBAD as TOI-311 (PM*), 1.6\" away"],"rare_level":"hint","rare_n":14,"ruwe":"3.66 - hints at a hidden companion star","score":"62.4","sector":29,"simbad_id":"TOI-311","simbad_name":"TOI-311 [PM*], 1.6\" away","status":"Rare, already known","tic":"434105231","title":"TIC 434105231","tmag":"12.95","toi":"TOI 311.01 (APC)","type":"Transit candidate"}