Kepler-452 Overview

Kepler-452 1.16 R⦿ 5431.67 K
Kepler-452 b
0.145 RJup
Architecture
Kepler-452
Kepler-452
Kepler-452 b
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-452 Kepler-452 b Transit 2015 Jenkins et al. 2015 Confirmed Planet
Kepler-452 b
RA
19h44m00.90s
Dec
+44d16m39.31s
Distance
551.727+5.236-5.141
pc
Parallax
1.7837500±0.0169145 mas
Ecliptic Latitude
63.70049 deg
Ecliptic Longitude
315.11127 deg
Galactic Latitude
9.98768 deg
Galactic Longitude
77.86464 deg
Total Proper Motion
13.4422907±0.0354687 mas/yr
Proper Motion (RA)
9.97399000±0.02945530 mas/yr
Proper Motion (Dec)
9.0119200±0.0416684 mas/yr
Photometry
mV
13.54±0.08
mTESS
12.9154±0.0061
mJ
12.263±0.021
mH
11.919±0.019
mKs
11.852±0.016
mKep
13.426
mW1
11.802±0.023
mW2
11.850±0.021
mW3
11.809±0.159
mW4
9.42
mGaia
13.404800±0.000235
mB
14.505±0.087
mg
---
mi
---
mr
---
mz
---
Abundances
(Hypatia Catalog)
[Fe/H] 0.17±0.01 dex
[C/H] 0.16±0.02 dex
[O/H] 0.06±0.02 dex
[Na/H] 0.10±0.02 dex
[Mg/H] 0.14±0.07 dex
[Al/H] 0.09±0.04 dex
[Si/H] 0.14±0.05 dex
[Ca/H] 0.15±0.06 dex
[Y/H] 0.10±0.08 dex
Source TICv8 Berger et al. 2018 Gaia DR2 Morton et al. 2016 Jenkins et al. 2015 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5728.000+157.856-121.012
5589±196
5431.6665+40.8301-48.3330
5892.000+251.629-204.170
5757±85 5413 --- 5579±150
5578 +153-137
L
(log10(L⦿))
0.084479400+0.017157128-0.017213397
---
0.020144910+0.011664697-0.011986709
--- --- --- --- --- ---
R
(R⦿)
1.1191400+0.0677804-0.0546317
1.108+0.082-0.075
1.1557367+0.0208462-0.0171814
1.060+0.222-0.136
1.11+0.15-0.09
0.495 ---
0.798 +0.15-0.075
0.794 +0.246-0.059
Metallicity
(dex)
0.18±0.10 [M/H] --- ---
0.00+0.14-0.16
[Fe/H]
0.21±0.09 [Fe/H] -0.204 [Fe/H] --- -0.22±0.3 [Fe/H]
-0.240 +0.320-0.280
[Fe/H]
Age
(Gyr)
--- --- ---
3.55+2.70-1.84
6±2 --- --- --- ---
M
(M⦿)
1.022000+0.148682-0.118951
--- ---
1.030+0.112-0.078
1.037+0.054-0.047
--- ---
0.892 +0.082-0.109
0.87 +0.092-0.089
log g
(log10(cm/s2))
4.3497500+0.0803242-0.0852462
--- ---
4.400+0.094-0.138
4.32±0.09 5.00 ---
4.58 +0.034-0.127
4.578±0.029
ρ
(g/cm3)
1.0279156+0.2278011-0.2615439
--- --- ---
0.840+0.400-0.190
--- ---
3.38283 +1.69325-1.18690
2.85213 +0.73093-0.93141
Sp. T
--- --- --- --- G2 --- --- --- ---
Status
Confirmed Planet
Controversial
Detected By
Transit
Source Jenkins et al. 2015 Berger et al. 2018 Morton et al. 2016 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table Q1-Q17 DR24 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
a/R
--- --- --- --- 298.1±74.6 281.6±72.2
Teq
(K)
265+15-13
--- --- --- 220 220
b
0.690+0.160-0.450
--- --- ---
0.059 +0.387-0.059
0.2004 +0.2386-0.2004
S
(S)
1.10+0.29-0.22
1.089+0.027-0.026
--- ---
0.56 +0.32-0.15
0.56 +0.51-0.13
e
--- --- --- --- 0 0
i
(deg)
89.806+0.134-0.049
--- --- --- 89.99 89.95
P
(days)
384.843+0.007-0.012
--- 384.843022±0.009989 384.847556±0.007105 384.847556±0.007105 384.843022±0.009989
Rp
(R)
1.63+0.23-0.20
1.511+0.143-0.131
1.50+0.32-0.22
---
1.09 +0.2-0.1
1.13 +0.35-0.09
Rp/R
0.0128+0.0013-0.0006
---
0.013018 +0.000595-0.000866
---
0.012491 +0.000737-0.000689
0.013018 +0.000595-0.000866
a
(au)
1.046+0.019-0.015
--- --- --- .994 .9892
δ
(%)
0.0199+0.0018-0.0021
--- --- --- 0.01899±0.00176 0.02047±0.00189
T14
(hours)
10.63+0.53-0.60
--- 10.367±0.534 --- 9.969±0.441 10.367±0.534
TC
(days)
2455147.985+0.015-0.019
--- 2455147.9836±0.0196 2455147.97±0.0152 2455147.97±0.0152 2455147.984±0.0196
Rp
(RJup)
0.145+0.021-0.018
0.1348+0.0128-0.0117
0.134+0.029-0.020
--- --- ---
Kepler Detection Products (4 File Types, 10 Files)
Kepler Pipeline Data Validation Reports q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries q1_q17_dr24_tce q1_q17_dr25_tce
Kepler TCERT Reports 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_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 8311864 8311864 8311864
KOI Name K07016.01 K07016.01 K07016.01
Kepler Name Kepler-452 b Kepler-452 b Kepler-452 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE
Not Transit-Like False Positive Flag 0 0 0
Stellar Eclipse False Positive Flag 0 0 0
Centroid Offset False Positive Flag 0 0 0
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi
Orbital Period [days] 384.847556±0.007105 384.847556±0.007105 384.843022±0.009989
Transit Epoch [BKJD] 314.97±0.0152 314.97±0.0152 314.9836±0.0196
Transit Epoch [BJD] 2455147.97±0.0152 2455147.97±0.0152 2455147.984±0.0196
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi
Number of Planets 1 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce
Link to DV Report kplr008311864-20160209194854_dvr.pdf kplr008311864-20160209194854_dvr.pdf kplr008311864-20141002224145_dvr.pdf
RA [decimal degrees] 296.00369 296.00369 296.00369
Dec [decimal degrees] 44.277561 44.277561 44.277561
Kepler-band [mag] 13.426 13.426 13.426
g'-band [mag] 13.921000000000001 13.921000000000001 13.921000000000001
r'-band [mag] 13.367 13.367 13.367
i'-band [mag] 13.214 13.214 13.214
z'-band [mag] 13.153 13.153 13.153
J-band [mag] 12.263 12.263 12.263
H-band [mag] 11.919 11.919 11.919
K-band [mag] 11.852 11.852 11.852
Disposition Score --- 0.771 ---
Comment --- CENT_FEW_DIFFS EYEBALL---TOO_FEW_QUARTERS
Eccentricity --- 0 0
Impact Parameter ---
0.059 +0.387-0.059
0.2004 +0.2386-0.2004
Transit Duration [hrs] --- 9.969±0.441 10.367±0.534
Transit Depth [ppm] --- 189.9±17.6 204.7±18.9
Planet-Star Radius Ratio ---
0.012491 +0.000737-0.000689
0.013018 +0.000595-0.000866
Fitted Stellar Density [g/cm**3] ---
3.38283 +1.69325-1.18690
2.85213 +0.73093-0.93141
Planetary Fit Type --- LS+MCMC MCMC
Planetary Radius [Earth radii] ---
1.09 +0.2-0.1
1.13 +0.35-0.09
Orbit Semi-Major Axis [au] --- .994 .9892
Inclination [deg] --- 89.99 89.95
Equilibrium Temperature [K] --- 220 220
Insolation Flux [Earth flux] ---
0.56 +0.32-0.15
0.56 +0.51-0.13
Planet-Star Distance over Star Radius --- 298.1±74.6 281.6±72.2
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0
Limb Darkening Coeff. 3 --- 0.0 0.0
Limb Darkening Coeff. 2 --- 0.2434 0.2609
Limb Darkening Coeff. 1 --- 0.43410000000000004 0.4072
Maximum Single Event Statistic --- 4.0634294 5.2594604
Maximum Multiple Event Statistic --- 7.6023917 9.694899
Transit Signal-to-Noise --- 12.3 11.8
Number of Transits --- 4 4
TCE Planet Number --- 1 1
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000
Odd-Even Depth Comparision Statistic --- 0.4409 ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr008311864-001-20160209194854_dvs.pdf kplr008311864-001-20141002224145_dvs.pdf
Stellar Effective Temperature [K] --- 5579±150
5578 +153-137
Stellar Surface Gravity [log10(cm/s**2)] ---
4.58 +0.034-0.127
4.578±0.029
Stellar Metallicity [dex] --- -0.22±0.3
-0.240 +0.320-0.280
Stellar Radius [Solar radii] ---
0.798 +0.15-0.075
0.794 +0.246-0.059
Stellar Mass [Solar mass] ---
0.892 +0.082-0.109
0.87 +0.092-0.089
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q17
FW Offset Significance [percent] --- 0.004 0.008
FW Source α(OOT) [hrs] --- 19.733632±0.000029 19.733624±0.000031
FW Source δ(OOT) [deg] --- 44.27808±0.00039 44.27751±0.00033
FW Source Δα(OOT) [sec] --- 2±1.1 1.8±1.2
FW Source Δδ(OOT) [arcsec] --- 1.9±1.4 -0.2±1.2
FW Δα(OOT) [sec] --- -0.00033±0.0002 -0.00032±0.00023
FW Δδ(OOT) [arcsec] --- -0.00029±0.00025 7e-05±0.00023
PRF ΔαSQ(OOT) [arcsec] --- -1.14±0.29 -1.27±0.2
PRF ΔδSQ(OOT) [arcsec] --- 1.25±0.66 1.2±0.64
PRF ΔθSQ(OOT) [arcsec] --- 1.69±0.65 1.75±0.42
PRF ΔαSQ(KIC) [arcsec] --- -1±0.21 -1.12±0.17
PRF ΔδSQ(KIC) [arcsec] --- 1.36±0.52 1.32±0.49
PRF ΔθSQ(KIC) [arcsec] --- 1.69±0.53 1.73±0.39
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
10 2MASS Point Source Catalog
Data Files
1 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
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