{"_facts":{"companion":"","deep":"","dossier":"","gaia_eb":"","impression":"","period":"","planet":"Already known to NASA: TOI 2616.01 (PC)","rare":"Microlensing (rogue planet?); Lopsided transit; Single transit of another planet","toi":"TOI 2616.01 (PC)"},"amplitude":"1.7%","bp_rp":"0.97","cover":"TIC273850708_s0028.png","data_used":"TESS sector 28 (QLP)","date":"2026-10-12","dec":"-64.8069","depth":"3.2%","distance_pc":"404 (~1,319 light years)","found_by":"hunt.py (automatic)","gaia_dr3":"4699930970542828416","gaia_gmag":"13.93","gaia_lum":"0.37 x the Sun","gaia_radius":"0.70 x the Sun","gaia_teff":"5,382 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: TOI 2616.01 (PC)"},{"date":"2026-10-12","text":"Found on NASA's list of TESS planet candidates: TOI 2616.01 (PC)"},{"date":"2026-10-12","text":"Rare-find check: Microlensing (rogue planet?); Lopsided transit; Single transit of another planet"}],"hr":[0.97,5.892],"last_update":"2026-10-12","nearest_variable":"none within 5'","notes":"Already known to NASA: TOI 2616.01 (PC).\nRare, already known: Microlensing (rogue planet?); Lopsided transit; Single transit of another planet (on NASA's TESS list as TOI 2616.01 (PC); SIMBAD lists TOI-2616 also as TOI-2616).\nAlready on NASA's TESS list as TOI 2616.01 (PC).\n\nFound automatically by hunt.py in TESS sector 28 (flagged in 5 sector(s)). Detection score 78.5.\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: Microlensing (rogue planet?); Lopsided transit; Single transit of another planet\n2026-10-12  Found on NASA's list of TESS planet candidates: TOI 2616.01 (PC)\n2026-10-12  Planet check: Already known to NASA: TOI 2616.01 (PC)\n2026-10-12  Found by the automatic search in TESS sector 28","period_days":"1.85339","period_source":"hunt.py on TESS QLP sector 28","planet_check":"Already known to NASA: TOI 2616.01 (PC)","planet_size":"~12.4 Earth radii (~1.1 Jupiter)","planet_verdict":"toi","ra":"34.5622","rare":"Microlensing (rogue planet?); Lopsided transit; Single transit of another planet","rare_checked":"2026-10-11 17:02","rare_clear":["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":"microlensing","level":"candidate","name":"Microlensing (rogue planet?)","text":"A one-off, symmetric brightening at BTJD 3899.65 that fits the gravitational-lens shape better than a flare (Einstein time 12.1 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 start of the transit is deeper than the end: a dust tail (disintegrating planet), rings, a fast-spinning star, or a blend."},{"id":"outer_planet","level":"notable","name":"Single transit of another planet","text":"Besides the known planet: one transit-like dip at BTJD 2099.45, 3.6 h long and 1.67% deep (~9.6 Earth radii). For a dip this long the orbit must take at least ~23 days: a cold, long-period planet - rare in TESS data."}],"rare_known":true,"rare_known_why":["on NASA's TESS list as TOI 2616.01 (PC)","SIMBAD lists TOI-2616 also as TOI-2616","in SIMBAD as TOI-2616 (*)"],"rare_level":"candidate","rare_n":13,"ruwe":"0.97 - fits a single star","score":"78.5","sector":28,"simbad_id":"TOI-2616","simbad_name":"TOI-2616 [*]","status":"Rare, already known","tic":"273850708","title":"TIC 273850708","tmag":"13.43","toi":"TOI 2616.01 (PC)","type":"Transit candidate"}