NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

Kepler-1228 Overview

Kepler-1228 0.73 R⦿ 4767.00 K
Kepler-1228 b
0.137 RJup
Architecture
Kepler-1228
Kepler-1228
Kepler-1228 b
Other Data
Bibliography 17
Exoplanet Archive Notes 1
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-1228 Kepler-1228 b Transit 2016 Morton et al. 2016 Confirmed Planet
Kepler-1228 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)
RA
19h46m12.66s
Dec
+46d57m58.30s
Distance
515.453±5.424 pc
Parallax
1.9113800±0.0202586 mas
Ecliptic Latitude
65.98758 deg
Ecliptic Longitude
318.55672 deg
Galactic Latitude
10.92515 deg
Galactic Longitude
80.45666 deg
Total Proper Motion
50.3022998±0.0382997 mas/yr
Proper Motion (RA)
-46.4611000±0.0374182 mas/yr
Proper Motion (Dec)
-19.2792000±0.0430641 mas/yr
Photometry
mV
15.061±0.103
mTESS
14.2710±0.0061
mJ
13.383±0.023
mH
12.877±0.017
mKs
12.799±0.025
mKep
14.859
mW1
12.789±0.024
mW2
12.834±0.024
mW3
12.824±0.434
mW4
9.355
mGaia
14.861200±0.000305
mB
16.051±0.006
mg
15.505
mi
14.582
mr
14.806
mz
14.460
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 Batalha et al. 2013 Latham et al. 2005 Fulton & Petigura 2018 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 Q1-Q6 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
4914.65±67.64 4767±95
4937.6665+104.3330-63.6665
5063.000+94.764-81.193
 5062 5062 4767±60 ---
5255 +158-142
5256 +168-139
5256 +168-139
5256.00 +168.00-139.00
5285.00±73.00 5062
Metallicity
(dex)
-0.652±0.065 [M/H] --- ---
-0.180+0.179-0.248
[Fe/H] 		--- -0.333 [Fe/H] -0.61±0.04 [Fe/H] --- -0.34±0.3 [Fe/H]
-0.340 +0.380-0.280
[Fe/H]
-0.340 +0.380-0.280
[Fe/H]
-0.340 +0.380-0.280
[Fe/H] 		--- ---
Age
(Gyr)
--- --- ---
5.130+5.960-3.230
 --- ---
12.30+0.88-1.08
 --- --- --- --- --- 1.3±3.9 ---
ρ✶
(g/cm3)
2.9403619 --- --- --- --- --- 2.23±0.02 ---
4.14027 +0.27944-1.15148
4.01962 +0.24490-1.19208
4.01962 +0.24490-1.19208
4.01962 +0.24490-1.19208
--- ---
M✶
(M⦿)
0.806 --- ---
0.780+0.052-0.063
 0.72 ---
0.666+0.005-0.004
 ---
0.776 +0.086-0.078
0.769 +0.113-0.073
0.769 +0.113-0.073
0.7690 +0.1130-0.0730
0.8390±0.0820 ---
R✶
(R⦿)
0.728395
0.734+0.032-0.031
0.6958589+0.0182980-0.0285007
0.740+0.049-0.067
 0.70 0.779
0.727+0.022-0.021
 ---
0.716 +0.103-0.06
0.721 +0.153-0.054
0.721 +0.153-0.054
0.7210 +0.1530-0.0540
0.7400±0.3900 .7
log g
(log10(cm/s2))
4.61967 --- ---
4.590+0.043-0.049
 4.60 4.62 --- ---
4.617 +0.039-0.084
4.608 +0.033-0.117
4.608 +0.033-0.117
4.608 +0.033-0.117
4.620±0.300 4.6
L✶
(log10(L⦿))
-0.5546010 ---
-0.58617588+0.01228410-0.01264171
 --- --- --- --- --- --- --- --- --- --- ---
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 Fulton & Petigura 2018 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)
0.577369579±4.09e-07 0.5773691747±0.0000004817 --- 0.577369579±0.000000409 0.577369336±3.95e-07 0.577369336±3.95e-07 0.577369579±4.09e-07 0.577369579±4.09e-07 0.577369579±4.09e-07 0.5773752±3.3e-06
Rp
(R⨁)
1.54+0.11-0.14
 ---
1.456+0.079-0.063
 1.484±0.055 ---
1.42 +0.2-0.12
1.47 +0.31-0.11
1.47 +0.31-0.11
1.47 +0.31-0.11
1.63±0.85
Rp
(RJup)
0.137+0.010-0.012
 ---
0.1299+0.0070-0.0056
 0.1324±0.0049 ---
0.127+0.018-0.011
0.131+0.028-0.010
0.131+0.028-0.010
0.131+0.028-0.010
0.145+0.076-0.076
Rp/R✶
0.01868 +0.000575-0.000271
--- ---
0.018680+0.000575-0.000271
 ---
0.01816 +0.000572-0.00021
0.01868 +0.000575-0.000271
0.01868 +0.000575-0.000271
0.01868 +0.000575-0.000271
0.0201±0.001
T14
(hours)
1.0963±0.0204 --- --- --- --- 1.0852±0.0203 1.0963±0.0204 1.0963±0.0204 1.0963±0.0204 1.0906
TC
(days)
2454965.425551±0.000545 2454965.42636000±0.00063747 --- --- 2454965.426±0.000505 2454965.426±0.000505 2454965.426±0.000545 2454965.426±0.000545 2454965.426±0.000545 2454965.4243±0.00044
a/R✶
--- --- --- --- --- 4.179±0.282 4.138±0.252 4.138±0.252 4.138±0.252 3.09±0.88
Teq
(K)
--- --- --- --- --- 1757 1768 1768 1768 1764
b
--- --- --- --- ---
0.032 +0.403-0.032
0.0428 +0.4031-0.0428
0.0428 +0.4031-0.0428
0.0428 +0.4031-0.0428
0.71±0.19
S
(S⨁)
--- ---
1598.664+50.613-48.925
 1742.0±135.4 ---
2239.26 +1059.17-554.65
2309.17 +1539.10-533.85
2309.17 +1539.10-533.85
2309.17 +1539.10-533.85
---
e
--- --- --- --- --- 0 0 0 0 0
i
(deg)
--- --- --- --- --- 89.56 89.38 89.38 89.38 76.78
a
(au)
--- --- --- 0.01186±0.00003 --- .0125 .0124 .0124 .0124 .013
δ
(%)
--- --- --- --- --- 0.04004±0.00073 0.04238±0.00075 0.04238±0.00075 0.04238±0.00075 0.04170
Print
Kepler Detection Products (4 File Types, 15 Files)
Kepler Pipeline Data Validation Reports q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler TCERT Reports q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Planet Detection Metrics q1_q17_dr24_stellar q1_q17_dr24_stellar q1_q17_dr25_stellar q1_q17_dr25_stellar
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 10024051 10024051 10024051 10024051 10024051 10024051 10024051
KOI Name K02409.01 K02409.01 K02409.01 K02409.01 K02409.01 K02409.01 K02409.01
Kepler Name Kepler-1228 b Kepler-1228 b Kepler-1228 b Kepler-1228 b Kepler-1228 b Kepler-1228 b Kepler-1228 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done 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 2013-02-12
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED 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 q1_q6_kepler_candidates
Orbital Period [days] 0.577369336±3.95e-07 0.577369336±3.95e-07 0.577369579±4.09e-07 0.577369579±4.09e-07 0.577369579±4.09e-07 0.5773752±3.3e-06 0.5773752±3.3e-06
Transit Epoch [BKJD] 132.425795±0.000505 132.425795±0.000505 132.425551±0.000545 132.425551±0.000545 132.425551±0.000545 132.4243±0.00044 132.4243±0.00044
Transit Epoch [BJD] 2454965.426±0.000505 2454965.426±0.000505 2454965.426±0.000545 2454965.426±0.000545 2454965.426±0.000545 2454965.4243±0.00044 2454965.4243±0.00044
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi q1_q6_kepler_candidates
Number of Planets 1 1 1 1 1 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce --- ---
Link to DV Report kplr010024051-20160209194854_dvr.pdf kplr010024051-20160209194854_dvr.pdf kplr010024051-20141002224145_dvr.pdf kplr010024051-20130815195353_dvr.pdf kplr010024051-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 296.55307 296.55307 296.55307 296.55307 296.55307 296.55307 296.55307
Dec [decimal degrees] 46.96629 46.96629 46.96629 46.96629 46.96629 46.96629 46.96629
Kepler-band [mag] 14.859 14.859 14.859 14.859 14.859 14.859 14.859
g'-band [mag] 15.505 15.505 15.505 15.505 15.505 15.505 15.505
r'-band [mag] 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001
i'-band [mag] 14.582 14.582 14.582 14.582 14.582 14.582 14.582
z'-band [mag] 14.46 14.46 14.46 14.46 14.46 14.46 14.46
J-band [mag] 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001
H-band [mag] 12.877 12.877 12.877 12.877 12.877 12.877 12.877
K-band [mag] 12.799000000000001 12.799000000000001 12.799000000000001 12.799000000000001 12.799000000000001 12.799000000000001 12.799000000000001
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- CENT_KIC_POS EYEBALL---KIC_OFFSET---SIGNIF_OFFSET --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.032 +0.403-0.032
0.0428 +0.4031-0.0428
0.0428 +0.4031-0.0428
0.0428 +0.4031-0.0428
0.71±0.19 0.71±0.44
Transit Duration [hrs] --- 1.0852±0.0203 1.0963±0.0204 1.0963±0.0204 1.0963±0.0204 1.0906 1.0906
Transit Depth [ppm] --- 400.4±7.3 423.8±7.5 423.8±7.5 423.8±7.5 417 407
Planet-Star Radius Ratio ---
0.01816 +0.000572-0.00021
0.01868 +0.000575-0.000271
0.01868 +0.000575-0.000271
0.01868 +0.000575-0.000271
0.0201±0.001 0.0201±0.001
Fitted Stellar Density [g/cm**3] ---
4.14027 +0.27944-1.15148
4.01962 +0.24490-1.19208
4.01962 +0.24490-1.19208
4.01962 +0.24490-1.19208
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
1.42 +0.2-0.12
1.47 +0.31-0.11
1.47 +0.31-0.11
1.47 +0.31-0.11
1.63±0.85 1.54
Orbit Semi-Major Axis [au] --- .0125 .0124 .0124 .0124 .013 .012
Inclination [deg] --- 89.56 89.38 89.38 89.38 76.78 ---
Equilibrium Temperature [K] --- 1757 1768 1768 1768 1764 1709
Insolation Flux [Earth flux] ---
2239.26 +1059.17-554.65
2309.17 +1539.10-533.85
2309.17 +1539.10-533.85
2309.17 +1539.10-533.85
--- ---
Planet-Star Distance over Star Radius --- 4.179±0.282 4.138±0.252 4.138±0.252 4.138±0.252 3.09±0.88 3.09±0.88
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 Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0 -0.46230000000000004 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.9534 ---
Limb Darkening Coeff. 2 --- 0.2175 0.23290000000000002 0.23290000000000002 0.23290000000000002 -0.2695 ---
Limb Darkening Coeff. 1 --- 0.4767 0.45630000000000004 0.45630000000000004 0.45630000000000004 0.5581 ---
Maximum Single Event Statistic --- 3.943266 6.5348363 --- --- --- ---
Maximum Multiple Event Statistic --- 22.317494999999997 31.020557 --- --- --- ---
Transit Signal-to-Noise --- 68.3 68.2 68.2 68.2 79.0 55.300000000000004
Number of Transits --- 1850 1850 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111101110111011000000000000000 11111101110111011000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.8653000000000001 --- --- --- --- ---
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) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr010024051-001-20160209194854_dvs.pdf kplr010024051-001-20141002224145_dvs.pdf kplr010024051-001-20130826182306_dvs.pdf kplr010024051-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5255 +158-142
5256 +168-139
5256 +168-139
5256.00 +168.00-139.00
5285.00±73.00 5062
Stellar Surface Gravity [log10(cm/s**2)] ---
4.617 +0.039-0.084
4.608 +0.033-0.117
4.608 +0.033-0.117
4.608 +0.033-0.117
4.620±0.300 4.6
Stellar Metallicity [dex] --- -0.34±0.3
-0.340 +0.380-0.280
-0.340 +0.380-0.280
-0.340 +0.380-0.280
--- ---
Stellar Radius [Solar radii] ---
0.716 +0.103-0.06
0.721 +0.153-0.054
0.721 +0.153-0.054
0.7210 +0.1530-0.0540
0.7400±0.3900 .7
Stellar Mass [Solar mass] ---
0.776 +0.086-0.078
0.769 +0.113-0.073
0.769 +0.113-0.073
0.7690 +0.1130-0.0730
0.8390±0.0820 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.022000000000000002 0.193 --- 0.055 --- ---
FW Source α(OOT) [hrs] --- 19.7702036±0.0000092 19.7702002±0.0000085 19.7701939±0.0000086 19.770201900±0.000009300 --- ---
FW Source δ(OOT) [deg] --- 46.966065±0.000096 46.96612±0.0001 46.966206±0.000089 46.96631900±0.00010000 --- ---
FW Source Δα(OOT) [sec] --- -0.06±0.34 -0.19±0.31 -0.42±0.32 0.02200±0.03300 --- ---
FW Source Δδ(OOT) [arcsec] --- -0.81±0.35 -0.6±0.37 -0.3±0.32 0.02700±0.02400 --- ---
FW Δα(OOT) [sec] --- -7.7e-05±8.5e-05 -4e-05±7.1e-05 1.3e-05±7.6e-05 -7e-06±1.1e-05 --- ---
FW Δδ(OOT) [arcsec] --- 0.000125±8.7e-05 6.6e-05±8.3e-05 --- -8.8e-06±7.8e-06 --- ---
PRF ΔαSQ(OOT) [arcsec] --- -0.018±0.097 0.034±0.093 0.01±0.19 -0.0200±0.1100 --- ---
PRF ΔδSQ(OOT) [arcsec] --- 0.07±0.12 0.02±0.12 -0.05±0.29 -0.0400±0.1200 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.08±0.12 0.04±0.12 0.06±0.32 0.0400±0.1200 --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.548±0.099 -0.468±0.097 -0.5±0.2 -0.5400±0.1000 --- ---
PRF ΔδSQ(KIC) [arcsec] --- -0.26±0.12 -0.29±0.12 -0.44±0.31 -0.3980±0.0950 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.61±0.11 0.55±0.099 0.66±0.24 0.6700±0.1000 --- ---
Chi-Square --- --- --- --- --- 1.3 1.29
Stellar Age [Gyr] --- --- --- --- --- 1.3±3.9 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
6 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
Search
Browse
Download

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.