J/AJ/161/24 TRICERATOPS predictions for 384 TOIs (Giacalone+, 2021)
Vetting of 384 TESS objects of interest with TRICERATOPS and statistical
validation of 12 planet candidates.
Giacalone S., Dressing C.D., Jensen E.L.N., Collins K.A., Ricker G.R.,
Vanderspek R., Seager S., Winn J.N., Jenkins J.M., Barclay T., Barkaoui K.,
Cadieux C., Charbonneau D., Collins K.I., Conti D.M., Doyon R., Evans P.,
Ghachoui M., Gillon M., Guerrero N.M., Hart R., Jehin E., Kielkopf J.F.,
McLean B., Murgas F., Palle E., Parviainen H., Pozuelos F.J., Relles H.M.,
Shporer A., Socia Q., Stockdale C., Tan T.-G., Torres G., Twicken J.D.,
Waalkes W.C., Waite I.A.
<Astron. J., 161, 24 (2021)>
=2021AJ....161...24G 2021AJ....161...24G
ADC_Keywords: Models; Exoplanets
Keywords: Exoplanet astronomy ; Astrostatistics ; Planet hosting stars ;
Exoplanets
Abstract:
We present TRICERATOPS, a new Bayesian tool that can be used to vet
and validate TESS Objects of Interest (TOIs). We test the tool on 68
TOIs that have been previously confirmed as planets or rejected as
astrophysical false positives. By looking in the false-positive
probability (FPP)-nearby false-positive probability (NFPP) plane, we
define criteria that TOIs must meet to be classified as validated
planets (FPP<0.015 and NFPP<10-3), likely planets (FPP<0.5 and
NFPP<10-3), and likely nearby false positives (NFPP>10-1). We
apply this procedure on 384 unclassified TOIs and statistically
validate 12, classify 125 as likely planets, and classify 52 as likely
nearby false positives. Of the 12 statistically validated planets, 9
are newly validated. TRICERATOPS is currently the only TESS vetting
and validation tool that models transits from nearby contaminant stars
in addition to the target star. We therefore encourage use of this
tool to prioritize follow-up observations that confirm bona fide
planets and identify false positives originating from nearby stars.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table7.dat 67 385 TRICERATOPS predictions for undesignated TOIs
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See also:
I/345 : Gaia DR2 (Gaia Collaboration, 2018)
IV/38 : TESS Input Catalog - v8.0 (TIC-8) (Stassun+, 2019)
J/other/A+ARV/18.67 : Accurate masses and radii of normal stars (Torres+, 2010)
J/PASP/124/1279 : Q3 Kepler's combined photometry (Christiansen+, 2012)
J/ApJ/767/95 : Stellar parameters of smallest KIC stars (Dressing+, 2013)
J/AJ/147/119 : Catalog of sources in Kepler field of view (Coughlin+, 2014)
J/ApJ/795/64 : Exoplanet physical parameters (Foreman-Mackey+, 2014)
J/ApJ/791/10 : Rad distribution of planets around cool stars (Morton+, 2014)
J/ApJ/787/47 : 106 Kepler ultra-short-period planets (Sanchis-Ojeda+, 2014)
J/ApJ/809/8 : Terrestrial planet occurrence rates KOI stars (Burke+, 2015)
J/ApJ/807/45 : Potent. habitable planets orbiting M dwarfs (Dressing+, 2015)
J/ApJ/814/130 : Planet occurrence rates calculated for KOIs (Mulders+, 2015)
J/ApJS/226/7 : Planet candidates discovered using K2 (Crossfield+, 2016)
J/AJ/151/68 : Kepler Mission. VII. Eclipsing binaries in DR3 (Kirk+, 2016)
J/ApJ/822/86 : False positive probabilities Q1-Q17 DR24 KOIs (Morton+, 2016)
J/AJ/154/109 : California-Kepler Survey. III. Planet radii (Fulton+, 2017)
J/A+A/618/A20 : Limb-darkening for TESS, Kepler, Corot, MOST (Claret, 2018)
J/A+A/610/A63 : WASP-151b, WASP-153b, WASP-156b (Demangeon+, 2018)
J/AJ/155/205 : Occurrence rates Q1-Q16 KOI catalog planet cand. (Hsu+, 2018)
J/AJ/155/136 : Planets orbit. bright stars K2 campaigns 0-10 (Mayo+, 2018)
J/AJ/155/180 : A catalog of cool dwarf targets for the TESS (Muirhead+,2018)
J/AJ/156/102 : The TESS Input Catalog Candidate Target List (Stassun+, 2018)
J/ApJS/235/38 : Kepler planetary cand. VIII DR25 reliability (Thompson+,2018)
J/AJ/158/81 : Low-mass stars from the first 2 TESS sectors (Cloutier, 2019)
J/AJ/157/124 : DAVE. I. Benchmarking K2 vetting tools (Kostov+, 2019)
J/AJ/158/177 : Near-resonance system sub-Neptunes from TESS (Quinn+, 2019)
J/AJ/160/22 : TOI-1235 RVel & optical spectroscopy (Cloutier+, 2020)
Byte-by-byte Description of file: table7.dat
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Bytes Format Units Label Explanations
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1- 10 I10 --- TIC TESS Input Catalog Identification Number
12- 18 F7.2 --- TOI TESS Object of Interest Number
20- 23 F4.2 Rgeo Rad [0.6/7.8] Planet Radius
25- 29 F5.2 d Porb [0.3/47.1] Planet Orbital Period
31- 34 F4.1 --- SNR [-0.3/55] Signal-to-noise Ratio
36 A1 --- l_FPP Limit flag on SNR
37- 40 F4.2 --- FPP [0.01/1] False Positive Probability
42- 49 A8 --- NFPP Nearby False Positive Probability
51- 53 I3 --- NumNFP [0/111] Number of Nearby False Positive Candidates
55- 67 A13 --- Class TRICERATOPS Classification; 12 Validated,
114 likely planet and 52 likely nearby
false-positive
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History:
From electronic version of the journal
(End) Prepared by [AAS], Coralie Fix [CDS], 10-Mar-2021