{"_facts":{"companion":"4.6","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Probably noise or an instrument effect","rare":"Microlensing (rogue planet?); Lopsided transit","toi":""},"amplitude":"3.8%","bp_rp":"0.96","cover":"TIC309849507_s0016.png","data_used":"TESS sector 16 (QLP)","date":"2026-10-11","dec":"49.8637","depth":"3.5%","distance_pc":"609 (~1,985 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"1589456590389460096","gaia_gmag":"13.22","gaia_lum":"1.47 x the Sun","gaia_radius":"1.50 x the Sun","gaia_teff":"5,183 K","history":[{"date":"2026-10-11","text":"Found by the automatic search in TESS sector 16"},{"date":"2026-10-11","text":"Gaia hints at a hidden companion star (RUWE 4.6)"},{"date":"2026-10-11","text":"Rare-find check: Microlensing (rogue planet?); Lopsided transit"},{"date":"2026-10-11","text":"Planet check: Probably noise or an instrument effect"}],"hr":[0.958,4.299],"last_update":"2026-10-11","nearest_variable":"none within 5'","notes":"Probably noise or an instrument effect.\nRare, already known: Microlensing (rogue planet?); Lopsided transit (in SIMBAD as UCAC4 700-056432 (*)).\n\nFound automatically by hunt.py in TESS sector 16 (flagged in 3 sector(s)). Detection score 203.2.\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: Microlensing (rogue planet?); Lopsided transit\n2026-10-11  Gaia hints at a hidden companion star (RUWE 4.6)\n2026-10-11  Found by the automatic search in TESS sector 16","period_days":"0.58732","period_source":"hunt.py on TESS QLP sector 16","planet_check":"Probably noise or an instrument effect","planet_size":"~26.0 Earth radii (~2.32 Jupiter) - too big for a planet","planet_verdict":"fa","ra":"229.255","rare":"Microlensing (rogue planet?); Lopsided transit","rare_checked":"2026-10-11 16:36","rare_clear":["Exocomet-shaped dip","Habitable zone & size","Transit timing (TTV)","Transit duration (TDV)","Changing transit depth","Type of star"],"rare_device":"GPU: NVIDIA GeForce RTX 4070 (CUDA, CuPy)","rare_flags":[{"id":"microlensing","level":"candidate","name":"Microlensing (rogue planet?)","text":"A one-off, symmetric brightening at BTJD 3449.15 that fits the gravitational-lens shape better than a flare (Einstein time 9.6 h). Events this short can be made by a free-floating (rogue) planet passing in front of the star. Very rare in TESS data; scattered light and asteroids can mimic it."},{"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":["in SIMBAD as UCAC4 700-056432 (*)"],"rare_level":"candidate","rare_n":10,"ruwe":"4.60 - hints at a hidden companion star","score":"203.2","sector":16,"simbad_id":"UCAC4 700-056432","simbad_name":"UCAC4 700-056432 [*]","status":"Rare, already known","tic":"309849507","title":"TIC 309849507","tmag":"12.72","type":"Transit candidate"}