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Kepler-1897 Overview

Kepler-1897 0.77 R⦿ 5008.00 K
Kepler-1897 b
0.251 RJup

Kepler-1897 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1897
Kepler-1897 b 24.22 d 2.81 R⨁ Transit 2021 Valizadegan et al. 2022 Confirmed Planet
RA
19h37m09.63s
Dec
+39d07m36.74s
Distance
983.1740+37.2760-34.6890
pc
Parallax
0.99010200±0.03687610 mas
Ecliptic Latitude
59.34202 deg
Ecliptic Longitude
308.73813 deg
Galactic Latitude
8.68012 deg
Galactic Longitude
72.65218 deg
Total Proper Motion
7.9950591±0.0715953 mas/yr
Proper Motion (RA)
7.1932000±0.0692399 mas/yr
Proper Motion (Dec)
3.4898200±0.0808408 mas/yr
Photometry
mV
16.010±0.092
mTESS
15.3637±0.0075
mJ
14.437±0.032
mH
14.012±0.039
mKs
13.714±0.051
mKep
15.911
mW1
13.683±0.026
mW2
13.798±0.030
mW3
12.477
mW4
8.826
mGaia
16.004700±0.000481
mB
16.145±0.070
mg
16.671
mi
15.585
mr
15.851
mz
15.460
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 Latham et al. 2005 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
Teff
(K)
4962.0±122.0 5008 ---
5165 +170-154
5172 +179-150
5172 +179-150
5172.00 +179.00-150.00
5106.00±99.00
Metallicity
(dex)
--- 0.037 [Fe/H] ---
0.02 +0.25-0.3
[Fe/H] 		0.040±0.280 [Fe/H] 0.040±0.280 [Fe/H] 0.040±0.280 [Fe/H] ---
R✶
(R⦿)
0.863787 0.768 ---
0.761 +0.119-0.055
0.78 +0.158-0.056
0.78 +0.158-0.056
0.7800 +0.1580-0.0560
0.7100±0.4800
log g
(log10(cm/s2))
4.47907 4.62 ---
4.599 +0.026-0.097
4.586 +0.026-0.131
4.586 +0.026-0.131
4.586 +0.026-0.131
4.620±0.300
L✶
(log10(L⦿))
-0.3898650 --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.7937361 --- ---
6.28471 +0.32598-3.45295
4.75496 +2.80527-1.30326
4.75496 +2.80527-1.30326
4.75496 +2.80527-1.30326
---
M✶
(M⦿)
0.82 --- ---
0.859 +0.064-0.085
0.857 +0.076-0.085
0.857 +0.076-0.085
0.8570 +0.0760-0.0850
0.7840±0.0900
Age
(Gyr)
--- --- --- --- --- --- --- 4.2±3.8
Print
Status
Confirmed Planet
Detected By
Transit
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✶
--- --- --- 57.98±3 52.8±15.6 52.8±15.6 52.8±15.6 54±27
Teq
(K)
--- --- --- 505 511 511 511 490
b
--- --- ---
0.032 +0.422-0.032
0.4613 +0.4774-0.2571
0.4613 +0.4774-0.2571
0.4613 +0.4774-0.2571
0.38±0.98
e
--- --- --- 0 0 0 0 0
i
(deg)
--- --- --- 89.97 89.38 89.38 89.38 89.38
P
(days)
24.22030067 24.22047026±0.00001417 24.2204192±0.000194 24.2204192±0.000194 24.2204586±0.0002005 24.2204586±0.0002005 24.2204586±0.0002005 24.22049±0.00028
Rp
(R⨁)
2.814079542 --- ---
2.1 +0.33-0.15
2.4 +0.49-0.17
2.4 +0.49-0.17
2.4 +0.49-0.17
2.1±1.7
Rp
(RJup)
0.2510557933 --- ---
0.187+0.029-0.013
0.214+0.044-0.015
0.214+0.044-0.015
0.214+0.044-0.015
0.187+0.152-0.152
Rp/R✶
--- --- ---
0.025317 +0.001629-0.001282
0.028217 +0.000765-0.002375
0.028217 +0.000765-0.002375
0.028217 +0.000765-0.002375
0.027±0.012
a
(au)
--- --- --- .1546 .1556 .1556 .1556 .151
δ
(%)
--- 0.0893 --- 0.08063±0.00674 0.093950±0.008330 0.093950±0.008330 0.093950±0.008330 0.08620
T14
(hours)
--- 3.6800 --- 3.271±0.226 3.219±0.232 3.219±0.232 3.219±0.232 3.2999
TC
(days)
--- 2455003.650502±0.013831
(BJD)
2454979.425±0.00624
(BJD)
2454979.425±0.00624
(BJD)
2454979.424±0.00617
(BJD)
2454979.424±0.00617
(BJD)
2454979.424±0.00617
(BJD)
2454979.4227±0.0076
(BJD)
S
(S⨁)
--- --- ---
15.43 +8.06-3.66
16.09 +10.57-3.77
16.09 +10.57-3.77
16.09 +10.57-3.77
---
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 4067925 4067925 4067925 4067925 4067925 4067925
KOI Name K03066.01 K03066.01 K03066.01 K03066.01 K03066.01 K03066.01
Kepler Name Kepler-1897 b Kepler-1897 b Kepler-1897 b Kepler-1897 b Kepler-1897 b Kepler-1897 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] 24.2204192±0.000194 24.2204192±0.000194 24.2204586±0.0002005 24.2204586±0.0002005 24.2204586±0.0002005 24.22049±0.00028
Transit Epoch [BKJD] 146.42459±0.00624 146.42459±0.00624 146.42365±0.00617 146.42365±0.00617 146.42365±0.00617 146.4227±0.0076
Transit Epoch [BJD] 2454979.425±0.00624 2454979.425±0.00624 2454979.424±0.00617 2454979.424±0.00617 2454979.424±0.00617 2454979.4227±0.0076
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 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 kplr004067925-20160209194854_dvr.pdf kplr004067925-20160209194854_dvr.pdf kplr004067925-20141002224145_dvr.pdf kplr004067925-20130815195353_dvr.pdf kplr004067925-20121029204534_dvr.pdf ---
RA [decimal degrees] 294.29004 294.29004 294.29004 294.29004 294.29004 294.29004
Dec [decimal degrees] 39.126869 39.126869 39.126869 39.126869 39.126869 39.126869
Kepler-band [mag] 15.911000000000001 15.911000000000001 15.911000000000001 15.911000000000001 15.911000000000001 15.911000000000001
g'-band [mag] 16.671 16.671 16.671 16.671 16.671 16.671
r'-band [mag] 15.851 15.851 15.851 15.851 15.851 15.851
i'-band [mag] 15.585 15.585 15.585 15.585 15.585 15.585
z'-band [mag] 15.46 15.46 15.46 15.46 15.46 15.46
J-band [mag] 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001 14.437000000000001
H-band [mag] 14.012 14.012 14.012 14.012 14.012 14.012
K-band [mag] 13.714 13.714 13.714 13.714 13.714 13.714
Disposition Score --- 0.887 --- --- --- ---
Comment --- NO_COMMENT --- --- --- ---
Eccentricity --- 0 0 0 0 0
Impact Parameter ---
0.032 +0.422-0.032
0.4613 +0.4774-0.2571
0.4613 +0.4774-0.2571
0.4613 +0.4774-0.2571
0.38±0.98
Transit Duration [hrs] --- 3.271±0.226 3.219±0.232 3.219±0.232 3.219±0.232 3.2999
Transit Depth [ppm] --- 806.3±67.4 939.5±83.3 939.5±83.3 939.5±83.3 862
Planet-Star Radius Ratio ---
0.025317 +0.001629-0.001282
0.028217 +0.000765-0.002375
0.028217 +0.000765-0.002375
0.028217 +0.000765-0.002375
0.027±0.012
Fitted Stellar Density [g/cm**3] ---
6.28471 +0.32598-3.45295
4.75496 +2.80527-1.30326
4.75496 +2.80527-1.30326
4.75496 +2.80527-1.30326
---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC ---
Planetary Radius [Earth radii] ---
2.1 +0.33-0.15
2.4 +0.49-0.17
2.4 +0.49-0.17
2.4 +0.49-0.17
2.1±1.7
Orbit Semi-Major Axis [au] --- .1546 .1556 .1556 .1556 .151
Inclination [deg] --- 89.97 89.38 89.38 89.38 89.38
Equilibrium Temperature [K] --- 505 511 511 511 490
Insolation Flux [Earth flux] ---
15.43 +8.06-3.66
16.09 +10.57-3.77
16.09 +10.57-3.77
16.09 +10.57-3.77
---
Planet-Star Distance over Star Radius --- 57.98±3 52.8±15.6 52.8±15.6 52.8±15.6 54±27
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 -0.5463
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 1.2249
Limb Darkening Coeff. 2 --- 0.19590000000000002 0.18100000000000002 0.18100000000000002 0.18100000000000002 -0.47900000000000004
Limb Darkening Coeff. 1 --- 0.5086 0.5295 0.5295 0.5295 0.5993
Maximum Single Event Statistic --- 4.256296 5.2539296 --- --- ---
Maximum Multiple Event Statistic --- 12.206418 13.231762 --- --- ---
Transit Signal-to-Noise --- 14.0 13.3 13.3 13.3 13.200000000000001
Number of Transits --- 45 45 --- --- ---
TCE Planet Number --- 1 1 1 1 ---
Quarters --- 01111011101110111000000000000000 1111011101110111000000000000000 --- --- ---
Odd-Even Depth Comparision Statistic --- 0.328 --- --- --- ---
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 --- kplr004067925-001-20160209194854_dvs.pdf kplr004067925-001-20141002224145_dvs.pdf kplr004067925-001-20130826182306_dvs.pdf kplr004067925-001-20121115231752_dvs.pdf ---
Stellar Effective Temperature [K] ---
5165 +170-154
5172 +179-150
5172 +179-150
5172.00 +179.00-150.00
5106.00±99.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.599 +0.026-0.097
4.586 +0.026-0.131
4.586 +0.026-0.131
4.586 +0.026-0.131
4.620±0.300
Stellar Metallicity [dex] ---
0.02 +0.25-0.3
0.040±0.280 0.040±0.280 0.040±0.280 ---
Stellar Radius [Solar radii] ---
0.761 +0.119-0.055
0.78 +0.158-0.056
0.78 +0.158-0.056
0.7800 +0.1580-0.0560
0.7100±0.4800
Stellar Mass [Solar mass] ---
0.859 +0.064-0.085
0.857 +0.076-0.085
0.857 +0.076-0.085
0.8570 +0.0760-0.0850
0.7840±0.0900
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault
FW Offset Significance [percent] --- 0.789 0.051000000000000004 0.07100000000000001 0.318 0.6900000000000001
FW Source α(OOT) [hrs] --- 19.619322±0.000033 19.619313±0.000027 19.61931±0.000029 19.619342000±0.000030000 19.619345000±0.000034000
FW Source δ(OOT) [deg] --- 39.1268±0.00033 39.12658±0.00029 39.1266±0.00029 39.12719000±0.00031000 39.12681000±0.00038000
FW Source Δα(OOT) [sec] --- -0.6±1.4 -1±1.1 -1.1±1.2 0.04000±0.11000 0.05000±0.12000
FW Source Δδ(OOT) [arcsec] --- -0.2±1.2 -1.1±1.1 -1±1 0.06400±0.07500 -0.02500±0.09100
FW Δα(OOT) [sec] --- 0.0003±0.001 0.00061±0.00099 0.0007±0.0011 -3.7e-05±9.4e-05 -4.8e-05±5.5e-05
FW Δδ(OOT) [arcsec] --- 0.00029±0.00088 0.00103±0.00092 0.00102±0.00093 -5.4e-05±6.7e-05 2.3e-05±4.1e-05
PRF ΔαSQ(OOT) [arcsec] --- 0.68±0.99 0.42±0.97 0.79±0.43 0.2100±0.5300 0.3600±0.6400
PRF ΔδSQ(OOT) [arcsec] --- -0.35±0.28 -0.21±0.32 -0.34±0.1 -0.3900±0.1800 -0.1400±0.2500
PRF ΔθSQ(OOT) [arcsec] --- 0.76±0.88 0.47±0.59 0.86±0.39 0.4400±0.2900 0.3800±0.6000
PRF ΔαSQ(KIC) [arcsec] --- 0.6±1 0.4±1 0.77±0.96 0.1600±0.5400 0.3100±0.6500
PRF ΔδSQ(KIC) [arcsec] --- -0.15±0.24 -0.03±0.29 -0.16±0.2 -0.2000±0.2000 0.1200±0.2500
PRF ΔθSQ(KIC) [arcsec] --- 0.66±0.99 0.38±0.96 0.79±0.96 0.2500±0.3700 0.3300±0.6100
Chi-Square --- --- --- --- --- 1.2
Stellar Age [Gyr] --- --- --- --- --- 4.2±3.8
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
5 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 Associated Literature Data
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