{"_facts":{"companion":"3.9","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Already known to NASA: CTOI 404804908.01 (PC)","rare":"Irregular deep dimming; Another planet in the system; Self-lensing binary","toi":"CTOI 404804908.01 (PC)"},"amplitude":"0.4%","bp_rp":"0.78","cover":"TIC404804908_s0031.png","data_used":"TESS sector 31 (QLP)","date":"2026-10-12","dec":"-70.9028","depth":"0.8%","distance_pc":"457 (~1,489 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"4657085579412104832","gaia_gmag":"12.07","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: CTOI 404804908.01 (PC)"},{"date":"2026-10-12","text":"Found on NASA's list of TESS planet candidates: CTOI 404804908.01 (PC)"},{"date":"2026-10-12","text":"Gaia hints at a hidden companion star (RUWE 3.9)"},{"date":"2026-10-12","text":"Rare-find check: Irregular deep dimming; Another planet in the system; Self-lensing binary"}],"hr":[0.78,3.77],"last_update":"2026-10-12","nearest_variable":"Gaia DR3 4657109047154023808 (BE|GCAS|SDOR|WR), 51\" away","nearest_variable_id":"Gaia DR3 4657109047154023808","notes":"Already known to NASA: CTOI 404804908.01 (PC).\nRare, already known: Irregular deep dimming; Another planet in the system; Self-lensing binary (on NASA's TESS list as CTOI 404804908.01 (PC); in the TESS eclipsing-binary catalogue (Prsa et al. 2022) as TIC 0404804908).\nAlready on NASA's TESS list as CTOI 404804908.01 (PC).\n\nFound automatically by hunt.py in TESS sector 31 (flagged in 17 sector(s)). Detection score 84.5.\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: Irregular deep dimming; Another planet in the system; Self-lensing binary\n2026-10-12  Gaia hints at a hidden companion star (RUWE 3.9)\n2026-10-12  Found on NASA's list of TESS planet candidates: CTOI 404804908.01 (PC)\n2026-10-12  Planet check: Already known to NASA: CTOI 404804908.01 (PC)\n2026-10-12  Found by the automatic search in TESS sector 29","period_days":"2.20683","period_source":"hunt.py on TESS QLP sector 31","planet_check":"Already known to NASA: CTOI 404804908.01 (PC)","planet_size":"~9.8 Earth radii (~0.87 Jupiter)","planet_verdict":"toi","ra":"84.7634","rare":"Irregular deep dimming; Another planet in the system; Self-lensing binary","rare_checked":"2026-10-11 18:06","rare_clear":["Microlensing (rogue planet?)","Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Lopsided transit","Dimming beside the transit","Trojan companions (L4/L5)","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"boyajian","level":"candidate","name":"Irregular deep dimming","text":"4 deep dips at irregular times, depths from 0.8% to 7.5%. Not periodic and not a young star - like Boyajian's star ('Tabby's star'), one of the strangest stars known."},{"id":"more_planets","level":"candidate","name":"Another planet in the system","text":"Another set of dips every 3.2246 days (359 ppm, 43 seen, SNR 18.9). Its period is close to a 5:2 ratio with the known one (orbital resonance)."},{"id":"self_lensing","level":"candidate","name":"Self-lensing binary","text":"Short brightenings repeat every 3.2246 days (590 ppm, 63 seen): a white dwarf (or other compact star) magnifying its companion each time it passes in front - only a handful known."}],"rare_known":true,"rare_known_why":["on NASA's TESS list as CTOI 404804908.01 (PC)","in the TESS eclipsing-binary catalogue (Prsa et al. 2022) as TIC 0404804908","in SIMBAD as HD 269912B (*), 4.2\" away","catalogued variable star nearby: Gaia DR3 4657109047154023808 (BE|GCAS|SDOR|WR), 51\" away"],"rare_level":"candidate","rare_n":13,"ruwe":"3.85 - hints at a hidden companion star","score":"84.5","sector":31,"simbad_id":"HD 269912B","simbad_name":"HD 269912B [*]","status":"Rare, already known","tic":"404804908","title":"TIC 404804908","tmag":"10.87","toi":"CTOI 404804908.01 (PC)","type":"Transit candidate"}