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Kepler-398 Overview

Kepler-398 0.51 R⦿ 4346.00 K
Kepler-398 b
0.083 RJup
Kepler-398 d
0.079 RJup
Kepler-398 c
0.090 RJup
Architecture
Kepler-398
Kepler-398
Kepler-398 b
Kepler-398 d
Kepler-398 c
Other Data
Bibliography 16
Exoplanet Archive Notes 3
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-398 Kepler-398 b Transit 2014 Rowe et al. 2014 Confirmed Planet
Kepler-398 Kepler-398 d Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-398 Kepler-398 c Transit 2014 Rowe et al. 2014 Confirmed Planet
Kepler-398 b
  • Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
Kepler-398 d
  • Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
Kepler-398 c
  • Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
RA
19h25m52.52s
Dec
+40d20m37.32s
Distance
177.355+0.538-0.535
pc
Parallax
5.6095000±0.0169186 mas
Ecliptic Latitude
61.17446 deg
Ecliptic Longitude
305.34978 deg
Galactic Latitude
11.16571 deg
Galactic Longitude
72.746 deg
Total Proper Motion
44.3960930±0.0291245 mas/yr
Proper Motion (RA)
30.6636000±0.0273592 mas/yr
Proper Motion (Dec)
-32.1054000±0.0306463 mas/yr
Photometry
mV
13.499±0.080
mTESS
12.5199±0.0060
mJ
11.514±0.021
mH
10.932±0.022
mKs
10.794±0.018
mKep
13.256
mW1
10.728±0.023
mW2
10.787±0.020
mW3
10.678±0.074
mW4
8.791
mGaia
13.235100±0.000224
mB
14.710±0.034
mg
---
mi
---
mr
---
mz
---
Mission
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Kepler Names
KOI
Kepler Stellar Data
Kepler Positional Probabilities
Q1-Q17 DR25 False Positive Probabilities
Kepler Certified False Positive
Q1-Q16 DR25 TCE
Stellar Hosts
Kepler Time Series
Kepler TCE Time Series
Source TICv8 Berger et al. 2018 Gaia DR2 Morton et al. 2016 Rowe et al. 2014 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q17 DR24 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q16 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q12 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Q1-Q8 KOI Table Q1-Q8 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
4577.000+132.560-156.397
 4493±90
4556.000+230.000-128.293
4557.000+54.299-39.233
 4493±100 4346 --- --- --- 4498±90 4498±90 4498±90
4494 +139-117
4494 +139-117
4494 +139-117
4494 +139-117
4494 +139-117
4494 +139-117
4494.00 +139.00-117.00
4494.00 +139.00-117.00
4494.00 +139.00-117.00
4476.00±60.00 4476.00±60.00 4476.00±60.00
Metallicity
(dex)
0.0527658±0.0145949 [M/H] --- ---
-0.0600+0.1080-0.0860
[Fe/H] 		--- -0.046 [Fe/H] --- --- --- -0.08±0.15 [Fe/H] -0.08±0.15 [Fe/H] -0.08±0.15 [Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H]
-0.040 +0.260-0.320
[Fe/H] 		--- --- ---
R✶
(R⦿)
0.6251490+0.0523724-0.0566729
0.653+0.027-0.026
0.62371653+0.03666820-0.05850730
0.670+0.017-0.018
 0.613±0.028 0.510 --- --- ---
0.635 +0.045-0.019
0.635 +0.045-0.019
0.635 +0.045-0.019
0.659 +0.061-0.051
0.659 +0.061-0.051
0.659 +0.061-0.051
0.659 +0.061-0.051
0.659 +0.061-0.051
0.659 +0.061-0.051
0.6590 +0.0610-0.0510
0.6590 +0.0610-0.0510
0.6590 +0.0610-0.0510
0.5750±0.0130 0.5750±0.0130 0.5750±0.0130
log g
(log10(cm/s2))
4.7052400+0.0923437-0.1298470
 --- ---
4.640+0.011-0.009
 4.689±0.150 4.81 --- --- ---
4.661 +0.012-0.042
4.661 +0.012-0.042
4.661 +0.012-0.042
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.730±0.300 4.730±0.300 4.730±0.300
Age
(Gyr)
--- --- ---
2.340+2.350-0.892
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 1±3.8 1±3.8 1±3.8
M✶
(M⦿)
0.7230000+0.0812755-0.1001710
 --- ---
0.720+0.024-0.028
 --- --- --- --- ---
0.698 +0.028-0.042
0.698 +0.028-0.042
0.698 +0.028-0.042
0.698 +0.051-0.068
0.698 +0.051-0.068
0.698 +0.051-0.068
0.698 +0.051-0.068
0.698 +0.051-0.068
0.698 +0.051-0.068
0.6980 +0.0510-0.0680
0.6980 +0.0510-0.0680
0.6980 +0.0510-0.0680
0.6490±0.0150 0.6490±0.0150 0.6490±0.0150
L✶
(log10(L⦿))
-0.8110147+0.0293065-0.0174487
 ---
-0.82099593+0.00374482-0.00377742
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
4.1720849+1.6658649-1.1706577
 --- --- --- --- --- --- --- ---
0.37842 +2.18878-0.01203
0.21529 +2.44814-0.12417
0.69723 +3.89408-0.26680
0.54794 +2.06881-0.24274
0.36767 +2.13620-0.09846
5.10732 +1.38491-1.23193
5.10732 +1.38491-1.23193
0.54794 +2.06881-0.24274
0.36767 +2.13620-0.09846
0.54794 +2.06881-0.24274
5.10732 +1.38491-1.23193
0.36767 +2.13620-0.09846
--- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Rowe et al. 2014 GajdoĊĦ et al. 2019 Berger et al. 2018 Holczer et al. 2016 Morton et al. 2016 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
4.081423±0.000011 4.0814261139±0.0000078248 --- 4.08141797±0.00000293 4.081411491±8.409e-06 4.081411554±8.9e-06 4.081411554±8.9e-06 4.081411491±8.409e-06 4.081411491±8.409e-06 4.081411491±8.409e-06 4.0814148±9e-06
TC
(days)
2454966.85795±0.00176 2454966.86062000±0.00164313 --- 2454954.614094±0.002503 2454966.85982±0.00168 2454966.86±0.00177 2454966.86±0.00177 2454966.86±0.00168 2454966.86±0.00168 2454966.86±0.00168 2454966.8586±0.0014
Rp
(R⨁)
0.93±0.10 ---
1.029+0.063-0.181
 ---
1.03+0.05-0.16
 ---
1 +0.07-0.03
0.97 +0.09-0.07
0.97 +0.09-0.07
0.97 +0.09-0.07
0.73±0.18
Rp
(RJup)
0.083±0.009 ---
0.09180+0.00562-0.01615
 ---
0.0919+0.0045-0.0143
 --- --- --- --- --- ---
Rp/R✶
--- --- --- ---
0.013541 +0.000643-0.002174
---
0.014433 +0.000654-0.00247
0.013541 +0.000643-0.002174
0.013541 +0.000643-0.002174
0.013541 +0.000643-0.002174
0.0117±0.0029
T14
(hours)
2.287±0.047 --- --- 2.5181 2.2929±0.0513 --- 2.3239±0.0547 2.2929±0.0513 2.2929±0.0513 2.2929±0.0513 2.2014
a/R✶
--- --- --- --- --- --- 6.93±3.3 7.84±3.7 7.84±3.7 7.84±3.7 12.8±6.2
Teq
(K)
--- --- --- --- --- --- 755 764 764 764 722
b
0.87±0.32 --- --- --- --- ---
0.876 +0.05-0.614
0.836 +0.0592-0.583
0.836 +0.0592-0.583
0.836 +0.0592-0.583
0.45±0.84
S
(S⨁)
--- ---
81.287+1.433-1.417
 --- --- ---
77.00 +18.58-10.17
80.42 +28.01-18.82
80.42 +28.01-18.82
80.42 +28.01-18.82
---
e
--- --- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- --- 82.74 83.65 83.65 83.65 88.24
a
(au)
0.044 --- --- --- --- --- .0438 .0444 .0444 .0444 .043
δ
(%)
--- --- --- 0.0160 --- --- 0.01719±0.00053 0.01633±0.00045 0.01633±0.00045 0.01633±0.00045 0.01610
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Morton et al. 2016 GajdoĊĦ et al. 2019 Berger et al. 2018 Holczer et al. 2016 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
6.83437001±1.518e-05 6.8344464721±0.0000117295 --- 6.83438868±0.00000381 6.83440674±1.924e-05 6.83440674±1.924e-05 6.83437001±1.518e-05 6.83437001±1.518e-05 6.83437001±1.518e-05 6.834378±1.6e-05
TC
(days)
2454969.86347±0.00180 2454969.85435000±0.00103791 --- 2454956.194130±0.003331 2454969.86±0.00225 2454969.86±0.00225 2454969.863±0.0018 2454969.863±0.0018 2454969.863±0.0018 2454969.8622±0.0015
Rp
(R⨁)
0.88+0.03-0.04
 ---
1.039+0.067-0.191
 --- ---
1.01 +0.07-0.03
0.85±0.07 0.85±0.07 0.85±0.07 0.74±0.25
Rp
(RJup)
0.079+0.003-0.004
 ---
0.09269+0.00598-0.01704
 --- --- --- --- --- --- ---
Rp/R✶
0.011744 +0.000369-0.000462
--- --- --- ---
0.014584 +0.00072-0.002623
0.011744 +0.000369-0.000462
0.011744 +0.000369-0.000462
0.011744 +0.000369-0.000462
0.0118±0.004
T14
(hours)
2.1537±0.0534 --- --- 2.4519 --- 2.2726±0.0609 2.1537±0.0534 2.1537±0.0534 2.1537±0.0534 2.1548
δ
(%)
--- --- --- 0.0177 --- 0.01771±0.00068 0.01726±0.00058 0.01726±0.00058 0.01726±0.00058 0.01760
a/R✶
--- --- --- --- --- 11.99±5.6 23.28±6.3 23.28±6.3 23.28±6.3 24±11
Teq
(K)
--- --- --- --- --- 636 643 643 643 606
b
--- --- --- --- ---
0.871 +0.038-0.609
0.3201 +0.1516-0.32
0.3201 +0.1516-0.32
0.3201 +0.1516-0.32
0.2±0.71
e
--- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- 85.83 89.38 89.38 89.38 89.38
a
(au)
--- --- --- --- --- .0618 .0626 .0626 .0626 .061
S
(S⨁)
--- ---
40.831+0.720-0.712
 --- ---
38.68 +9.33-5.11
40.45 +14.10-9.46
40.45 +14.10-9.46
40.45 +14.10-9.46
---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Transit Prediction Service
Kepler Names
KOI
Transit
Source Rowe et al. 2014 GajdoĊĦ et al. 2019 Berger et al. 2018 Holczer et al. 2016 Morton et al. 2016 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
P
(days)
11.419412±0.000047 11.4194342731±0.0000417976 --- 11.41949528±0.00000478 11.41945387±4.306e-05 11.41941928±4.965e-05 11.41941928±4.965e-05 11.41945387±4.306e-05 11.41945387±4.306e-05 11.41945387±4.306e-05 11.419409±4.8e-05
TC
(days)
2454975.11768±0.00271 2454975.11806000±0.00262430 --- 2454963.698669±0.004261 2454975.11739±0.00275 2454975.119±0.00323 2454975.119±0.00323 2454975.117±0.00275 2454975.117±0.00275 2454975.117±0.00275 2454975.1184±0.003
Rp
(R⨁)
1.01±0.11 ---
1.015+0.047-0.210
 ---
1.03+0.03-0.18
 ---
0.99 +0.07-0.03
0.98 +0.09-0.08
0.98 +0.09-0.08
0.98 +0.09-0.08
0.92±0.29
Rp
(RJup)
0.090±0.010 ---
0.09055+0.00419-0.01873
 ---
0.0919+0.0027-0.0161
 --- --- --- --- --- ---
Rp/R✶
--- --- --- ---
0.013604 +1.6e-05-0.002387
---
0.014247 +0.000278-0.002898
0.013604 +1.6e-05-0.002387
0.013604 +1.6e-05-0.002387
0.013604 +1.6e-05-0.002387
0.0147±0.0046
T14
(hours)
3.342±0.085 --- --- 3.4930 3.2816±0.0862 --- 3.3075±0.0907 3.2816±0.0862 3.2816±0.0862 3.2816±0.0862 3.2011
a/R✶
--- --- --- --- --- --- 11.41±5.6 13.63±6.6 13.63±6.6 13.63±6.6 11.6±4.7
Teq
(K)
--- --- --- --- --- --- 536 542 542 542 511
b
0.90±0.34 --- --- --- --- ---
0.918 +0.035-0.674
0.875 +0.0211-0.6041
0.875 +0.0211-0.6041
0.875 +0.0211-0.6041
0.91±0.67
S
(S⨁)
--- ---
20.556+0.362-0.358
 --- --- ---
19.47 +4.70-2.57
20.42 +7.12-4.78
20.42 +7.12-4.78
20.42 +7.12-4.78
---
e
--- --- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- --- 85.38 86.52 86.52 86.52 85.37
a
(au)
0.087 --- --- --- --- --- .0871 .0881 .0881 .0881 .086
δ
(%)
--- --- --- 0.0148 --- --- 0.01505±0.00071
0.01537+0.00060-0.00060
0.01537+0.00060-0.00060
0.01537+0.00060-0.00060
 0.01700
Print
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 5185897 5185897 5185897 5185897 5185897 5185897
KOI Name K02693.01 K02693.01 K02693.01 K02693.01 K02693.01 K02693.01
Kepler Name Kepler-398 b Kepler-398 b Kepler-398 b Kepler-398 b Kepler-398 b Kepler-398 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done Done Done Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24 2014-12-18 2014-12-04 2014-01-07
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0 ---
Stellar Eclipse False Positive Flag 0 0 0 0 0 ---
Centroid Offset False Positive Flag 0 0 0 0 0 ---
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0 0 0 ---
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi
Orbital Period [days] 4.081411554±8.9e-06 4.081411554±8.9e-06 4.081411491±8.409e-06 4.081411491±8.409e-06 4.081411491±8.409e-06 4.0814148±9e-06
Transit Epoch [BKJD] 133.85992±0.00177 133.85992±0.00177 133.85982±0.00168 133.85982±0.00168 133.85982±0.00168 133.8586±0.0014
Transit Epoch [BJD] 2454966.86±0.00177 2454966.86±0.00177 2454966.86±0.00168 2454966.86±0.00168 2454966.86±0.00168 2454966.8586±0.0014
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi
Number of Planets 3 3 3 3 3 3
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce ---
Link to DV Report kplr005185897-20160209194854_dvr.pdf kplr005185897-20160209194854_dvr.pdf kplr005185897-20141002224145_dvr.pdf kplr005185897-20130815195353_dvr.pdf kplr005185897-20121029204534_dvr.pdf ---
RA [decimal degrees] 291.46866 291.46866 291.46866 291.46866 291.46866 291.46866
Dec [decimal degrees] 40.343849 40.343849 40.343849 40.343849 40.343849 40.343849
Kepler-band [mag] 13.256 13.256 13.256 13.256 13.256 13.256
g'-band [mag] 14.255 14.255 14.255 14.255 14.255 14.255
r'-band [mag] 13.189 13.189 13.189 13.189 13.189 13.189
i'-band [mag] 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001
z'-band [mag] 12.631 12.631 12.631 12.631 12.631 12.631
J-band [mag] 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001
H-band [mag] 10.932 10.932 10.932 10.932 10.932 10.932
K-band [mag] 10.794 10.794 10.794 10.794 10.794 10.794
Disposition Score --- 0.998 --- --- --- ---
Comment --- CENT_KIC_POS KIC_OFFSET --- --- ---
Eccentricity --- 0 0 0 0 0
Impact Parameter ---
0.876 +0.05-0.614
0.836 +0.0592-0.583
0.836 +0.0592-0.583
0.836 +0.0592-0.583
0.45±0.84
Transit Duration [hrs] --- 2.3239±0.0547 2.2929±0.0513 2.2929±0.0513 2.2929±0.0513 2.2014
Transit Depth [ppm] --- 171.9±5.3 163.3±4.5 163.3±4.5 163.3±4.5 161
Planet-Star Radius Ratio ---
0.014433 +0.000654-0.00247
0.013541 +0.000643-0.002174
0.013541 +0.000643-0.002174
0.013541 +0.000643-0.002174
0.0117±0.0029
Fitted Stellar Density [g/cm**3] ---
0.37842 +2.18878-0.01203
0.54794 +2.06881-0.24274
0.54794 +2.06881-0.24274
0.54794 +2.06881-0.24274
---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC ---
Planetary Radius [Earth radii] ---
1 +0.07-0.03
0.97 +0.09-0.07
0.97 +0.09-0.07
0.97 +0.09-0.07
0.73±0.18
Orbit Semi-Major Axis [au] --- .0438 .0444 .0444 .0444 .043
Inclination [deg] --- 82.74 83.65 83.65 83.65 88.24
Equilibrium Temperature [K] --- 755 764 764 764 722
Insolation Flux [Earth flux] ---
77.00 +18.58-10.17
80.42 +28.01-18.82
80.42 +28.01-18.82
80.42 +28.01-18.82
---
Planet-Star Distance over Star Radius --- 6.93±3.3 7.84±3.7 7.84±3.7 7.84±3.7 12.8±6.2
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0 -0.5759000000000001
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 1.5019
Limb Darkening Coeff. 2 --- 0.0722 0.09380000000000001 0.09380000000000001 0.09380000000000001 -0.7612
Limb Darkening Coeff. 1 --- 0.674 0.6484 0.6484 0.6484 0.669
Maximum Single Event Statistic --- 6.1134567 6.6109114 --- --- ---
Maximum Multiple Event Statistic --- 32.830256999999996 34.413821999999996 --- --- ---
Transit Signal-to-Noise --- 36.9 39.300000000000004 39.300000000000004 39.300000000000004 44.800000000000004
Number of Transits --- 326 326 --- --- ---
TCE Planet Number --- 1 1 1 1 ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- ---
Odd-Even Depth Comparision Statistic --- 0.7289 --- --- --- ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr005185897-001-20160209194854_dvs.pdf kplr005185897-001-20141002224145_dvs.pdf kplr005185897-001-20130826182306_dvs.pdf kplr005185897-001-20121115231752_dvs.pdf ---
Stellar Effective Temperature [K] --- 4498±90
4494 +139-117
4494 +139-117
4494.00 +139.00-117.00
4476.00±60.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.661 +0.012-0.042
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.730±0.300
Stellar Metallicity [dex] --- -0.08±0.15
-0.040 +0.260-0.320
-0.040 +0.260-0.320
-0.040 +0.260-0.320
---
Stellar Radius [Solar radii] ---
0.635 +0.045-0.019
0.659 +0.061-0.051
0.659 +0.061-0.051
0.6590 +0.0610-0.0510
0.5750±0.0130
Stellar Mass [Solar mass] ---
0.698 +0.028-0.042
0.698 +0.051-0.068
0.698 +0.051-0.068
0.6980 +0.0510-0.0680
0.6490±0.0150
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault
FW Offset Significance [percent] --- 0.014 0.003 0.006 0.025 0.12100000000000001
FW Source α(OOT) [hrs] --- 19.4312547±0.0000062 19.431247±0.0000063 19.4312474±0.0000067 19.431248700±0.000008200 19.431250000±0.000009100
FW Source δ(OOT) [deg] --- 40.343877±0.000068 40.343858±0.000075 40.343859±0.000077 40.34388400±0.00009200 40.34387000±0.00011000
FW Source Δα(OOT) [sec] --- 0.44±0.26 0.12±0.26 0.14±0.27 -0.02300±0.02900 -0.01900±0.03300
FW Source Δδ(OOT) [arcsec] --- 0.1±0.24 0.03±0.27 0.03±0.28 0.02800±0.02200 0.02500±0.02600
FW Δα(OOT) [sec] --- 6e-06±4.4e-05 5.7e-05±4.2e-05 5.5e-05±4.4e-05 3.8e-06±4.7e-06 2.9e-06±2.5e-06
FW Δδ(OOT) [arcsec] --- -6.8e-05±4.1e-05 -5.4e-05±4.4e-05 -5.6e-05±4.4e-05 -4.5e-06±3.6e-06 -3.9e-06±2e-06
PRF ΔαSQ(OOT) [arcsec] --- 0.08±0.75 0.05±0.2 0.07±0.15 0.0000±0.1900 0.1400±0.2100
PRF ΔδSQ(OOT) [arcsec] --- 0.11±0.27 0.08±0.19 0.07±0.19 0.0600±0.1200 0.5100±0.2500
PRF ΔθSQ(OOT) [arcsec] --- 0.13±0.6 0.09±0.19 0.1±0.18 0.0600±0.1200 0.5300±0.2400
PRF ΔαSQ(KIC) [arcsec] --- 0.58±0.71 0.57±0.21 0.58±0.15 0.5000±0.1700 0.6200±0.2100
PRF ΔδSQ(KIC) [arcsec] --- -0.25±0.27 -0.27±0.19 -0.27±0.21 -0.2700±0.1100 0.1000±0.2500
PRF ΔθSQ(KIC) [arcsec] --- 0.63±0.59 0.63±0.22 0.64±0.17 0.5700±0.1600 0.6300±0.2100
Chi-Square --- --- --- --- --- 1.24
Stellar Age [Gyr] --- --- --- --- --- 1±3.8
KepID 5185897 5185897 5185897 5185897 5185897 5185897
KOI Name K02693.03 K02693.03 K02693.03 K02693.03 K02693.03 K02693.03
Kepler Name Kepler-398 d Kepler-398 d Kepler-398 d Kepler-398 d Kepler-398 d Kepler-398 d
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done Done Done Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24 2014-12-18 2014-12-04 2014-01-07
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0 ---
Stellar Eclipse False Positive Flag 0 0 0 0 0 ---
Centroid Offset False Positive Flag 0 0 0 0 0 ---
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0 0 0 ---
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi
Orbital Period [days] 6.83440674±1.924e-05 6.83440674±1.924e-05 6.83437001±1.518e-05 6.83437001±1.518e-05 6.83437001±1.518e-05 6.834378±1.6e-05
Transit Epoch [BKJD] 136.86023±0.00225 136.86023±0.00225 136.86347±0.0018 136.86347±0.0018 136.86347±0.0018 136.8622±0.0015
Transit Epoch [BJD] 2454969.86±0.00225 2454969.86±0.00225 2454969.863±0.0018 2454969.863±0.0018 2454969.863±0.0018 2454969.8622±0.0015
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi
Number of Planets 3 3 3 3 3 3
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce ---
Link to DV Report kplr005185897-20160209194854_dvr.pdf kplr005185897-20160209194854_dvr.pdf kplr005185897-20141002224145_dvr.pdf kplr005185897-20130815195353_dvr.pdf kplr005185897-20121029204534_dvr.pdf ---
RA [decimal degrees] 291.46866 291.46866 291.46866 291.46866 291.46866 291.46866
Dec [decimal degrees] 40.343849 40.343849 40.343849 40.343849 40.343849 40.343849
Kepler-band [mag] 13.256 13.256 13.256 13.256 13.256 13.256
g'-band [mag] 14.255 14.255 14.255 14.255 14.255 14.255
r'-band [mag] 13.189 13.189 13.189 13.189 13.189 13.189
i'-band [mag] 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001
z'-band [mag] 12.631 12.631 12.631 12.631 12.631 12.631
J-band [mag] 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001
H-band [mag] 10.932 10.932 10.932 10.932 10.932 10.932
K-band [mag] 10.794 10.794 10.794 10.794 10.794 10.794
Disposition Score --- 0.992 --- --- --- ---
Comment --- CENT_KIC_POS KIC_OFFSET --- --- ---
Eccentricity --- 0 0 0 0 0
Impact Parameter ---
0.871 +0.038-0.609
0.3201 +0.1516-0.32
0.3201 +0.1516-0.32
0.3201 +0.1516-0.32
0.2±0.71
Transit Duration [hrs] --- 2.2726±0.0609 2.1537±0.0534 2.1537±0.0534 2.1537±0.0534 2.1548
Transit Depth [ppm] --- 177.1±6.8 172.6±5.8 172.6±5.8 172.6±5.8 176
Planet-Star Radius Ratio ---
0.014584 +0.00072-0.002623
0.011744 +0.000369-0.000462
0.011744 +0.000369-0.000462
0.011744 +0.000369-0.000462
0.0118±0.004
Fitted Stellar Density [g/cm**3] ---
0.69723 +3.89408-0.26680
5.10732 +1.38491-1.23193
5.10732 +1.38491-1.23193
5.10732 +1.38491-1.23193
---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC ---
Planetary Radius [Earth radii] ---
1.01 +0.07-0.03
0.85±0.07 0.85±0.07 0.85±0.07 0.74±0.25
Orbit Semi-Major Axis [au] --- .0618 .0626 .0626 .0626 .061
Inclination [deg] --- 85.83 89.38 89.38 89.38 89.38
Equilibrium Temperature [K] --- 636 643 643 643 606
Insolation Flux [Earth flux] ---
38.68 +9.33-5.11
40.45 +14.10-9.46
40.45 +14.10-9.46
40.45 +14.10-9.46
---
Planet-Star Distance over Star Radius --- 11.99±5.6 23.28±6.3 23.28±6.3 23.28±6.3 24±11
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0 -0.5759000000000001
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 1.5019
Limb Darkening Coeff. 2 --- 0.0722 0.09380000000000001 0.09380000000000001 0.09380000000000001 -0.7612
Limb Darkening Coeff. 1 --- 0.674 0.6484 0.6484 0.6484 0.669
Maximum Single Event Statistic --- 4.780939 6.162643 --- --- ---
Maximum Multiple Event Statistic --- 24.54701 26.46541 --- --- ---
Transit Signal-to-Noise --- 29.1 30.900000000000002 30.900000000000002 30.900000000000002 38.6
Number of Transits --- 187 186 --- --- ---
TCE Planet Number --- 2 2 2 2 ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- ---
Odd-Even Depth Comparision Statistic --- 0.11320000000000001 --- --- --- ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr005185897-002-20160209194854_dvs.pdf kplr005185897-002-20141002224145_dvs.pdf kplr005185897-002-20130826182306_dvs.pdf kplr005185897-002-20121115231752_dvs.pdf ---
Stellar Effective Temperature [K] --- 4498±90
4494 +139-117
4494 +139-117
4494.00 +139.00-117.00
4476.00±60.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.661 +0.012-0.042
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.730±0.300
Stellar Metallicity [dex] --- -0.08±0.15
-0.040 +0.260-0.320
-0.040 +0.260-0.320
-0.040 +0.260-0.320
---
Stellar Radius [Solar radii] ---
0.635 +0.045-0.019
0.659 +0.061-0.051
0.659 +0.061-0.051
0.6590 +0.0610-0.0510
0.5750±0.0130
Stellar Mass [Solar mass] ---
0.698 +0.028-0.042
0.698 +0.051-0.068
0.698 +0.051-0.068
0.6980 +0.0510-0.0680
0.6490±0.0150
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault
FW Offset Significance [percent] --- 0.8180000000000001 0.017 0.064 0.303 0.027
FW Source α(OOT) [hrs] --- 19.4312569±0.000008 19.4312669±0.000008 19.4312591±0.0000085 19.431264000±0.000011000 19.431269000±0.000011000
FW Source δ(OOT) [deg] --- 40.343736±0.000087 40.343689±0.000097 40.343884±0.000097 40.34379000±0.00012000 40.34390000±0.00013000
FW Source Δα(OOT) [sec] --- 0.53±0.33 0.94±0.33 0.62±0.35 0.03200±0.03800 0.04900±0.04100
FW Source Δδ(OOT) [arcsec] --- -0.41±0.31 -0.58±0.35 0.12±0.35 0.00700±0.02800 0.03000±0.03200
FW Δα(OOT) [sec] --- -9e-06±5.7e-05 -7.7e-05±5.5e-05 -2.4e-05±5.8e-05 -5.2e-06±6.3e-06 -8.1e-06±3.4e-06
FW Δδ(OOT) [arcsec] --- 1.9e-05±5.4e-05 4.5e-05±5.8e-05 -7.3e-05±5.8e-05 -1.1e-06±4.7e-06 -5e-06±2.7e-06
PRF ΔαSQ(OOT) [arcsec] --- -0.09±0.28 -0.1±0.24 -0.04±0.28 0.1500±0.3000 0.1100±0.4600
PRF ΔδSQ(OOT) [arcsec] --- -0.1±0.42 -0.13±0.38 -0.09±0.2 -0.3700±0.2300 -0.1100±0.2300
PRF ΔθSQ(OOT) [arcsec] --- 0.13±0.27 0.17±0.3 0.1±0.24 0.4000±0.2400 0.1500±0.3600
PRF ΔαSQ(KIC) [arcsec] --- 0.4±0.29 0.38±0.27 0.45±0.27 0.6300±0.3000 0.5600±0.4700
PRF ΔδSQ(KIC) [arcsec] --- -0.47±0.37 -0.5±0.37 -0.45±0.2 -0.7300±0.2500 -0.4600±0.2500
PRF ΔθSQ(KIC) [arcsec] --- 0.62±0.39 0.62±0.4 0.64±0.22 0.9700±0.2700 0.7200±0.4000
Chi-Square --- --- --- --- --- 1.22
Stellar Age [Gyr] --- --- --- --- --- 1±3.8
KepID 5185897 5185897 5185897 5185897 5185897 5185897
KOI Name K02693.02 K02693.02 K02693.02 K02693.02 K02693.02 K02693.02
Kepler Name Kepler-398 c Kepler-398 c Kepler-398 c Kepler-398 c Kepler-398 c Kepler-398 c
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done Done Done Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24 2014-12-18 2014-12-04 2014-01-07
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0 ---
Stellar Eclipse False Positive Flag 0 0 0 0 0 ---
Centroid Offset False Positive Flag 0 0 0 0 0 ---
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0 0 0 ---
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi
Orbital Period [days] 11.41941928±4.965e-05 11.41941928±4.965e-05 11.41945387±4.306e-05 11.41945387±4.306e-05 11.41945387±4.306e-05 11.419409±4.8e-05
Transit Epoch [BKJD] 142.11859±0.00323 142.11859±0.00323 142.11739±0.00275 142.11739±0.00275 142.11739±0.00275 142.1184±0.003
Transit Epoch [BJD] 2454975.119±0.00323 2454975.119±0.00323 2454975.117±0.00275 2454975.117±0.00275 2454975.117±0.00275 2454975.1184±0.003
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi
Number of Planets 3 3 3 3 3 3
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce ---
Link to DV Report kplr005185897-20160209194854_dvr.pdf kplr005185897-20160209194854_dvr.pdf kplr005185897-20141002224145_dvr.pdf kplr005185897-20130815195353_dvr.pdf kplr005185897-20121029204534_dvr.pdf ---
RA [decimal degrees] 291.46866 291.46866 291.46866 291.46866 291.46866 291.46866
Dec [decimal degrees] 40.343849 40.343849 40.343849 40.343849 40.343849 40.343849
Kepler-band [mag] 13.256 13.256 13.256 13.256 13.256 13.256
g'-band [mag] 14.255 14.255 14.255 14.255 14.255 14.255
r'-band [mag] 13.189 13.189 13.189 13.189 13.189 13.189
i'-band [mag] 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001 12.828000000000001
z'-band [mag] 12.631 12.631 12.631 12.631 12.631 12.631
J-band [mag] 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001 11.514000000000001
H-band [mag] 10.932 10.932 10.932 10.932 10.932 10.932
K-band [mag] 10.794 10.794 10.794 10.794 10.794 10.794
Disposition Score --- 0.9880000000000001 --- --- --- ---
Comment --- CENT_KIC_POS EYEBALL---KIC_OFFSET---SIGNIF_OFFSET --- --- ---
Eccentricity --- 0 0 0 0 0
Impact Parameter ---
0.918 +0.035-0.674
0.875 +0.0211-0.6041
0.875 +0.0211-0.6041
0.875 +0.0211-0.6041
0.91±0.67
Transit Duration [hrs] --- 3.3075±0.0907 3.2816±0.0862 3.2816±0.0862 3.2816±0.0862 3.2011
Transit Depth [ppm] --- 150.5±7.1 153.7±6 153.7±6 153.7±6 170
Planet-Star Radius Ratio ---
0.014247 +0.000278-0.002898
0.013604 +1.6e-05-0.002387
0.013604 +1.6e-05-0.002387
0.013604 +1.6e-05-0.002387
0.0147±0.0046
Fitted Stellar Density [g/cm**3] ---
0.21529 +2.44814-0.12417
0.36767 +2.13620-0.09846
0.36767 +2.13620-0.09846
0.36767 +2.13620-0.09846
---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC ---
Planetary Radius [Earth radii] ---
0.99 +0.07-0.03
0.98 +0.09-0.08
0.98 +0.09-0.08
0.98 +0.09-0.08
0.92±0.29
Orbit Semi-Major Axis [au] --- .0871 .0881 .0881 .0881 .086
Inclination [deg] --- 85.38 86.52 86.52 86.52 85.37
Equilibrium Temperature [K] --- 536 542 542 542 511
Insolation Flux [Earth flux] ---
19.47 +4.70-2.57
20.42 +7.12-4.78
20.42 +7.12-4.78
20.42 +7.12-4.78
---
Planet-Star Distance over Star Radius --- 11.41±5.6 13.63±6.6 13.63±6.6 13.63±6.6 11.6±4.7
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0 -0.5759000000000001
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 1.5019
Limb Darkening Coeff. 2 --- 0.0722 0.09380000000000001 0.09380000000000001 0.09380000000000001 -0.7612
Limb Darkening Coeff. 1 --- 0.674 0.6484 0.6484 0.6484 0.669
Maximum Single Event Statistic --- 4.528351 5.1760745 --- --- ---
Maximum Multiple Event Statistic --- 20.572737 21.699462999999998 --- --- ---
Transit Signal-to-Noise --- 22.900000000000002 27.1 27.1 27.1 34.2
Number of Transits --- 108 108 --- --- ---
TCE Planet Number --- 3 3 3 3 ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- ---
Odd-Even Depth Comparision Statistic --- 0.5203 --- --- --- ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr005185897-003-20160209194854_dvs.pdf kplr005185897-003-20141002224145_dvs.pdf kplr005185897-003-20130826182306_dvs.pdf kplr005185897-003-20121115231752_dvs.pdf ---
Stellar Effective Temperature [K] --- 4498±90
4494 +139-117
4494 +139-117
4494.00 +139.00-117.00
4476.00±60.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.661 +0.012-0.042
4.644 +0.033-0.052
4.644 +0.033-0.052
4.644 +0.033-0.052
4.730±0.300
Stellar Metallicity [dex] --- -0.08±0.15
-0.040 +0.260-0.320
-0.040 +0.260-0.320
-0.040 +0.260-0.320
---
Stellar Radius [Solar radii] ---
0.635 +0.045-0.019
0.659 +0.061-0.051
0.659 +0.061-0.051
0.6590 +0.0610-0.0510
0.5750±0.0130
Stellar Mass [Solar mass] ---
0.698 +0.028-0.042
0.698 +0.051-0.068
0.698 +0.051-0.068
0.6980 +0.0510-0.0680
0.6490±0.0150
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault
FW Offset Significance [percent] --- 0.001 0.001 0.013000000000000001 0.025 0.003
FW Source α(OOT) [hrs] --- 19.4312741±0.0000096 19.4312748±0.0000095 19.4312682±0.0000097 19.431271000±0.000011000 19.431276000±0.000012000
FW Source δ(OOT) [deg] --- 40.34362±0.00011 40.34368±0.00012 40.34364±0.00011 40.34369000±0.00013000 40.34368000±0.00014000
FW Source Δα(OOT) [sec] --- 1.24±0.39 1.27±0.39 1±0.4 0.05700±0.04100 0.07500±0.04200
FW Source Δδ(OOT) [arcsec] --- -0.83±0.38 -0.6±0.42 -0.74±0.41 -0.01900±0.03100 -0.02300±0.03300
FW Δα(OOT) [sec] --- -0.000118±6.1e-05 -0.000121±6e-05 -8.1e-05±6.3e-05 -9.4e-06±6.7e-06 -1.27e-05±3.6e-06
FW Δδ(OOT) [arcsec] --- 8.2e-05±6e-05 4.5e-05±6.5e-05 6.7e-05±6.4e-05 3.1e-06±5.1e-06 3.9e-06±2.9e-06
PRF ΔαSQ(OOT) [arcsec] --- -0.63±0.28 -0.71±0.32 -0.34±0.3 -0.0400±0.3800 -0.1300±0.4800
PRF ΔδSQ(OOT) [arcsec] --- -0.16±0.2 -0.34±0.2 -0.38±0.21 -0.3800±0.2400 -0.5800±0.2500
PRF ΔθSQ(OOT) [arcsec] --- 0.65±0.28 0.78±0.3 0.51±0.3 0.3800±0.2400 0.6000±0.2700
PRF ΔαSQ(KIC) [arcsec] --- -0.13±0.29 -0.23±0.33 0.21±0.31 0.4300±0.3800 0.3300±0.4900
PRF ΔδSQ(KIC) [arcsec] --- -0.49±0.2 -0.67±0.2 -0.7±0.22 -0.6600±0.2500 -0.9100±0.2900
PRF ΔθSQ(KIC) [arcsec] --- 0.51±0.2 0.71±0.22 0.73±0.23 0.7900±0.2900 0.9600±0.3200
Chi-Square --- --- --- --- --- 0.9
Stellar Age [Gyr] --- --- --- --- --- 1±3.8
Known Objects
3 Confirmed Planets
3 Kepler Objects of Interest (KOIs)
3 Threshold Crossing Events (TCEs)
2 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
3 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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