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Kepler-1817 Overview

Kepler-1817 0.65 R⦿ 5294.00 K
Kepler-1817 b
0.203 RJup

Kepler-1817 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1817
Kepler-1817 b 44.3 d 2.27 R⨁ Transit 2021 Valizadegan et al. 2022 Confirmed Planet
RA
18h48m08.00s
Dec
+44d28m40.78s
Distance
748.569+12.972-12.545
pc
Parallax
1.3073100±0.0225921 mas
Ecliptic Latitude
66.98543 deg
Ecliptic Longitude
292.35968 deg
Galactic Latitude
19.1859 deg
Galactic Longitude
73.87137 deg
Total Proper Motion
9.3674367±0.0399414 mas/yr
Proper Motion (RA)
9.3355500±0.0398958 mas/yr
Proper Motion (Dec)
-0.7722540±0.0461287 mas/yr
Photometry
mV
15.346±0.057
mTESS
14.6069±0.0063
mJ
13.845±0.027
mH
13.383±0.037
mKs
13.330±0.028
mKep
15.115
mW1
13.331±0.023
mW2
13.375±0.027
mW3
12.561
mW4
8.99
mGaia
15.134500±0.000417
mB
16.256±0.016
mg
15.675
mi
14.875
mr
15.074
mz
14.801
Mission
Tools
Planetary Systems
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 Batalha et al. 2013 Latham et al. 2005 KIC - SCPKEY 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
Teff
(K)
5318.0±122.0 5294 5294 5304 ---
5316 +85-74
5465 +185-136
5465 +185-136
5465.00 +185.00-136.00
5531.00±72.00 5294
Metallicity
(dex)
--- --- -0.387 [Fe/H] -0.400 [Fe/H] --- 0.16±0.15 [Fe/H]
-0.400 +0.360-0.280
[Fe/H]
-0.400 +0.360-0.280
[Fe/H]
-0.400 +0.360-0.280
[Fe/H] 		--- ---
R✶
(R⦿)
0.760218 0.68 0.647 --- --- 0.915±0.074
0.736 +0.213-0.051
0.736 +0.213-0.051
0.7360 +0.2130-0.0510
0.8000±0.3300 .68
log g
(log10(cm/s2))
4.63998 4.67 4.78 4.530 ---
4.459 +0.077-0.063
4.608 +0.03-0.17
4.608 +0.03-0.17
4.608 +0.030-0.170
4.590±0.300 4.67
γ
(km/s)
--- --- --- -19.26±0.19 --- --- --- --- --- --- ---
v sin i
(km/s)
--- --- --- 6.60 --- --- --- --- --- --- ---
M✶
(M⦿)
0.92 0.77 --- --- ---
0.878 +0.05-0.041
0.801 +0.105-0.077
0.801 +0.105-0.077
0.8010 +0.1050-0.0770
0.9060±0.0510 ---
L✶
(log10(L⦿))
-0.3804358 --- --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
2.9521622 --- --- --- ---
2.62575 +2.25234-2.17399
2.04021 +2.90491-0.19081
2.04021 +2.90491-0.19081
2.04021 +2.90491-0.19081
--- ---
Age
(Gyr)
--- --- --- --- --- --- --- --- --- 0.4±4 ---
Print
Status
Confirmed Planet
Detected By
Transit, Transit Timing Variations
Tools
Planetary Systems
Transit Prediction Service
Kepler Names
KOI
Transit
Source Valizadegan et al. 2022 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
a/R✶
--- --- --- 64.8±27.8 59.6±28.3 59.6±28.3 59.6±28.3 84±41
Teq
(K)
--- --- --- 463 433 433 433 448
b
--- --- ---
0.614 +0.346-0.389
0.683 +0.0038-0.5038
0.683 +0.0038-0.5038
0.683 +0.0038-0.5038
0.05±0.87
S
(S⨁)
--- --- ---
10.85 +2.66-2.18
8.34 +7.50-1.81
8.34 +7.50-1.81
8.34 +7.50-1.81
---
e
--- --- --- 0 0 0 0 0
i
(deg)
--- --- --- 89.46 89.38 89.38 89.38 89.95
P
(days)
44.29919815 44.29893228±0.00001422 44.2993483±0.0002664 44.2993483±0.0002664 44.2994477±0.0002491 44.2994477±0.0002491 44.2994477±0.0002491 44.29229±0.00077
Rp
(R⨁)
2.273491257 --- ---
2.68 +0.22-0.21
2.28 +0.67-0.15
2.28 +0.67-0.15
2.28 +0.67-0.15
2.3±1.2
Rp
(RJup)
0.2028276538 --- ---
0.239+0.020-0.019
0.203+0.060-0.013
0.203+0.060-0.013
0.203+0.060-0.013
0.205+0.107-0.107
Rp/R✶
--- --- ---
0.026848 +0.010782-0.001527
0.028427 +0.0045-0.002161
0.028427 +0.0045-0.002161
0.028427 +0.0045-0.002161
0.0265±0.0089
a
(au)
--- --- --- .2348 .2277 .2277 .2277 .237
δ
(%)
--- 0.0914 --- 0.07979±0.00387
0.08568+0.00440-0.00440
0.08568+0.00440-0.00440
0.08568+0.00440-0.00440
 0.08770
T14
(hours)
--- 5.7019 --- 4.298±0.146 4.367±0.137 4.367±0.137 4.367±0.137 4.1155
TC
(days)
--- 2454974.294008±0.012059
(BJD)
2454974.282±0.00497
(BJD)
2454974.282±0.00497
(BJD)
2454974.279±0.00447
(BJD)
2454974.279±0.00447
(BJD)
2454974.279±0.00447
(BJD)
2454974.3392±0.0058
(BJD)
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 8410415 8410415 8410415 8410415 8410415 8410415 8410415
KOI Name K02291.01 K02291.01 K02291.01 K02291.01 K02291.01 K02291.01 K02291.01
Kepler Name Kepler-1817 b Kepler-1817 b Kepler-1817 b Kepler-1817 b Kepler-1817 b Kepler-1817 b Kepler-1817 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] 44.2993483±0.0002664 44.2993483±0.0002664 44.2994477±0.0002491 44.2994477±0.0002491 44.2994477±0.0002491 44.29229±0.00077 44.29229±0.00077
Transit Epoch [BKJD] 141.28194±0.00497 141.28194±0.00497 141.27883±0.00447 141.27883±0.00447 141.27883±0.00447 141.3392±0.0058 141.3393±0.0058
Transit Epoch [BJD] 2454974.282±0.00497 2454974.282±0.00497 2454974.279±0.00447 2454974.279±0.00447 2454974.279±0.00447 2454974.3392±0.0058 2454974.3393±0.0058
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 kplr008410415-20160209194854_dvr.pdf kplr008410415-20160209194854_dvr.pdf kplr008410415-20141002224145_dvr.pdf kplr008410415-20130815195353_dvr.pdf kplr008410415-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 282.03328999999997 282.03328999999997 282.03328999999997 282.03328999999997 282.03328999999997 282.03328999999997 282.03328999999997
Dec [decimal degrees] 44.478007999999996 44.478007999999996 44.478007999999996 44.478007999999996 44.478007999999996 44.478007999999996 44.478007999999996
Kepler-band [mag] 15.115 15.115 15.115 15.115 15.115 15.115 15.115
g'-band [mag] 15.675 15.675 15.675 15.675 15.675 15.675 15.675
r'-band [mag] 15.074 15.074 15.074 15.074 15.074 15.074 15.074
i'-band [mag] 14.875 14.875 14.875 14.875 14.875 14.875 14.875
z'-band [mag] 14.801 14.801 14.801 14.801 14.801 14.801 14.801
J-band [mag] 13.845 13.845 13.845 13.845 13.845 13.845 13.845
H-band [mag] 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001 13.383000000000001
K-band [mag] 13.33 13.33 13.33 13.33 13.33 13.33 13.33
Disposition Score --- 0.9850000000000001 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.614 +0.346-0.389
0.683 +0.0038-0.5038
0.683 +0.0038-0.5038
0.683 +0.0038-0.5038
0.05±0.87 0.05±0.76
Transit Duration [hrs] --- 4.298±0.146 4.367±0.137 4.367±0.137 4.367±0.137 4.1155 4.1155
Transit Depth [ppm] --- 797.9±38.7 856.8±44 856.8±44 856.8±44 877 904
Planet-Star Radius Ratio ---
0.026848 +0.010782-0.001527
0.028427 +0.0045-0.002161
0.028427 +0.0045-0.002161
0.028427 +0.0045-0.002161
0.0265±0.0089 0.0265±0.0089
Fitted Stellar Density [g/cm**3] ---
2.62575 +2.25234-2.17399
2.04021 +2.90491-0.19081
2.04021 +2.90491-0.19081
2.04021 +2.90491-0.19081
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
2.68 +0.22-0.21
2.28 +0.67-0.15
2.28 +0.67-0.15
2.28 +0.67-0.15
2.3±1.2 1.96
Orbit Semi-Major Axis [au] --- .2348 .2277 .2277 .2277 .237 .225
Inclination [deg] --- 89.46 89.38 89.38 89.38 89.95 ---
Equilibrium Temperature [K] --- 463 433 433 433 448 405
Insolation Flux [Earth flux] ---
10.85 +2.66-2.18
8.34 +7.50-1.81
8.34 +7.50-1.81
8.34 +7.50-1.81
--- ---
Planet-Star Distance over Star Radius --- 64.8±27.8 59.6±28.3 59.6±28.3 59.6±28.3 84±41 84±41
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 -0.33590000000000003 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.6032000000000001 ---
Limb Darkening Coeff. 2 --- 0.186 0.2606 0.2606 0.2606 -0.012 ---
Limb Darkening Coeff. 1 --- 0.5256000000000001 0.4097 0.4097 0.4097 0.5021 ---
Maximum Single Event Statistic --- 6.490596 7.6849704 --- --- --- ---
Maximum Multiple Event Statistic --- 19.371254 21.869768 --- --- --- ---
Transit Signal-to-Noise --- 23.2 23.2 23.2 23.2 22.7 20.3
Number of Transits --- 28 28 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.7841 --- --- --- --- ---
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 --- kplr008410415-001-20160209194854_dvs.pdf kplr008410415-001-20141002224145_dvs.pdf kplr008410415-001-20130826182306_dvs.pdf kplr008410415-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5316 +85-74
5465 +185-136
5465 +185-136
5465.00 +185.00-136.00
5531.00±72.00 5294
Stellar Surface Gravity [log10(cm/s**2)] ---
4.459 +0.077-0.063
4.608 +0.03-0.17
4.608 +0.03-0.17
4.608 +0.030-0.170
4.590±0.300 4.67
Stellar Metallicity [dex] --- 0.16±0.15
-0.400 +0.360-0.280
-0.400 +0.360-0.280
-0.400 +0.360-0.280
--- ---
Stellar Radius [Solar radii] --- 0.915±0.074
0.736 +0.213-0.051
0.736 +0.213-0.051
0.7360 +0.2130-0.0510
0.8000±0.3300 .68
Stellar Mass [Solar mass] ---
0.878 +0.05-0.041
0.801 +0.105-0.077
0.801 +0.105-0.077
0.8010 +0.1050-0.0770
0.9060±0.0510 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.651 0.01 0.051000000000000004 0.031 --- ---
FW Source α(OOT) [hrs] --- 18.802217±0.000017 18.802244±0.000017 18.80224±0.000017 18.802239000±0.000021000 --- ---
FW Source δ(OOT) [deg] --- 44.47816±0.00017 44.47818±0.00016 44.47806±0.00016 44.47830000±0.00021000 --- ---
FW Source Δα(OOT) [sec] --- -0.07±0.65 0.94±0.67 0.81±0.64 0.07400±0.07500 --- ---
FW Source Δδ(OOT) [arcsec] --- 0.53±0.62 0.61±0.59 0.18±0.59 0.05700±0.05100 --- ---
FW Δα(OOT) [sec] --- -4e-05±0.00052 -0.00076±0.00054 -0.0007±0.00055 -5.8e-05±6e-05 --- ---
FW Δδ(OOT) [arcsec] --- -0.00025±0.0005 -0.00033±0.00048 1e-05±0.00052 -4.5e-05±4.2e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.44±0.19 0.19±0.18 0.32±0.19 0.1800±0.3400 --- ---
PRF ΔδSQ(OOT) [arcsec] --- 0.29±0.33 0.34±0.36 0.2±0.33 0.2600±0.3200 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.52±0.26 0.39±0.33 0.38±0.27 0.3100±0.3300 --- ---
PRF ΔαSQ(KIC) [arcsec] --- 0.32±0.19 0.26±0.18 0.38±0.2 0.2400±0.3200 --- ---
PRF ΔδSQ(KIC) [arcsec] --- 0.37±0.32 0.41±0.34 0.25±0.32 0.3100±0.3100 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.49±0.3 0.49±0.3 0.45±0.27 0.3900±0.3200 --- ---
Chi-Square --- --- --- --- --- 1.1400000000000001 1.12
Stellar Age [Gyr] --- --- --- --- --- 0.4±4 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
1 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 Associated Literature Data
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