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Kepler-1887 Overview

Kepler-1887 0.50 R⦿ 5550.00 K
Kepler-1887 b
0.261 RJup

Kepler-1887 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1887
Kepler-1887 b 19.95 d 2.92 R⨁ Transit 2021 Valizadegan et al. 2022 Confirmed Planet
RA
19h15m49.33s
Dec
+44d42m20.55s
Distance
1366.18+78.15-70.28
pc
Parallax
0.7038690±0.0387836 mas
Ecliptic Latitude
65.89487 deg
Ecliptic Longitude
304.41822 deg
Galactic Latitude
14.6904 deg
Galactic Longitude
75.99577 deg
Total Proper Motion
8.8498679±0.0697353 mas/yr
Proper Motion (RA)
7.3868500±0.0685042 mas/yr
Proper Motion (Dec)
4.8738700±0.0724841 mas/yr
Photometry
mV
15.955±0.081
mTESS
15.4469±0.0065
mJ
14.800±0.034
mH
14.334±0.039
mKs
14.298±0.069
mKep
15.999
mW1
14.326±0.027
mW2
14.382±0.039
mW3
12.419
mW4
9.215
mGaia
15.95440±0.00059
mB
17.175±0.019
mg
16.522
mi
15.775
mr
15.941
mz
15.693
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)
5443.0±123.0 5550 ---
5749 +153-170
5751 +158-163
5751 +158-163
5751.00 +158.00-163.00
5736.00±92.00
Metallicity
(dex)
--- -0.083 [Fe/H] ---
-0.1 +0.25-0.3
[Fe/H] 		-0.140±0.260 [Fe/H] -0.140±0.260 [Fe/H] -0.140±0.260 [Fe/H] ---
R✶
(R⦿)
0.904093 0.502 ---
0.864 +0.194-0.069
0.854 +0.281-0.065
0.854 +0.281-0.065
0.8540 +0.2810-0.0650
0.8500±0.1800
log g
(log10(cm/s2))
4.50337 5.00 ---
4.547 +0.04-0.16
4.552 +0.028-0.238
4.552 +0.028-0.238
4.552 +0.028-0.238
4.560±0.300
L✶
(log10(L⦿))
-0.1895261 --- --- --- --- --- --- ---
ρ✶
(g/cm3)
1.8123881 --- ---
33.23080 +7.35923-14.87901
10.88563 +27.10371-9.61708
10.88563 +27.10371-9.61708
10.88563 +27.10371-9.61708
---
M✶
(M⦿)
0.95 --- ---
0.961 +0.092-0.127
0.945 +0.085-0.101
0.945 +0.085-0.101
0.9450 +0.0850-0.1010
0.9610±0.0380
Age
(Gyr)
--- --- --- --- --- --- --- 0.5±3.3
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✶
--- --- --- 88.7±19.7 61.2±30.5 61.2±30.5 61.2±30.5 90±25
Teq
(K)
--- --- --- 625 623 623 623 620
b
--- --- ---
0.094 +0.357-0.094
0.7359 +0.1957-0.5298
0.7359 +0.1957-0.5298
0.7359 +0.1957-0.5298
0.02±0.15
S
(S⨁)
--- --- ---
36.14 +24.06-9.00
35.66 +34.54-8.53
35.66 +34.54-8.53
35.66 +34.54-8.53
---
e
--- --- --- 0 0 0 0 0
i
(deg)
--- --- --- 89.94 89.38 89.38 89.38 89.95
P
(days)
19.94750023 19.94774345±0.00000756 19.94752741±7.976e-05 19.94752741±7.976e-05 19.94752664±8.696e-05 19.94752664±8.696e-05 19.94752664±8.696e-05 19.94738±0.00011
Rp
(R⨁)
2.924543574 --- ---
2.52 +0.57-0.2
2.88 +0.94-0.22
2.88 +0.94-0.22
2.88 +0.94-0.22
2.5±1.3
Rp
(RJup)
0.2609107511 --- ---
0.225+0.051-0.018
0.257+0.084-0.020
0.257+0.084-0.020
0.257+0.084-0.020
0.223+0.116-0.116
Rp/R✶
--- --- ---
0.026742 +0.001688-0.000925
0.030861 +0.006118-0.002549
0.030861 +0.006118-0.002549
0.030861 +0.006118-0.002549
0.027±0.013
a
(au)
--- --- --- .1421 .1415 .1415 .1415 .142
δ
(%)
--- 0.1036 --- 0.08613±0.00655 0.096840±0.007790 0.096840±0.007790 0.096840±0.007790 0.09230
T14
(hours)
--- 1.8191 --- 1.756±0.121 1.798±0.128 1.798±0.128 1.798±0.128 1.7659
TC
(days)
--- 2454977.235665±0.007309
(BJD)
2454977.247±0.00351
(BJD)
2454977.247±0.00351
(BJD)
2454977.248±0.00389
(BJD)
2454977.248±0.00389
(BJD)
2454977.248±0.00389
(BJD)
2454977.2499±0.004
(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 8617363 8617363 8617363 8617363 8617363 8617363
KOI Name K02945.01 K02945.01 K02945.01 K02945.01 K02945.01 K02945.01
Kepler Name Kepler-1887 b Kepler-1887 b Kepler-1887 b Kepler-1887 b Kepler-1887 b Kepler-1887 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] 19.94752741±7.976e-05 19.94752741±7.976e-05 19.94752664±8.696e-05 19.94752664±8.696e-05 19.94752664±8.696e-05 19.94738±0.00011
Transit Epoch [BKJD] 144.2469±0.00351 144.2469±0.00351 144.24809±0.00389 144.24809±0.00389 144.24809±0.00389 144.2499±0.004
Transit Epoch [BJD] 2454977.247±0.00351 2454977.247±0.00351 2454977.248±0.00389 2454977.248±0.00389 2454977.248±0.00389 2454977.2499±0.004
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 kplr008617363-20160209194854_dvr.pdf kplr008617363-20160209194854_dvr.pdf kplr008617363-20141002224145_dvr.pdf kplr008617363-20130815195353_dvr.pdf kplr008617363-20121029204534_dvr.pdf ---
RA [decimal degrees] 288.95551 288.95551 288.95551 288.95551 288.95551 288.95551
Dec [decimal degrees] 44.7057 44.7057 44.7057 44.7057 44.7057 44.7057
Kepler-band [mag] 15.999 15.999 15.999 15.999 15.999 15.999
g'-band [mag] 16.522000000000002 16.522000000000002 16.522000000000002 16.522000000000002 16.522000000000002 16.522000000000002
r'-band [mag] 15.941 15.941 15.941 15.941 15.941 15.941
i'-band [mag] 15.775 15.775 15.775 15.775 15.775 15.775
z'-band [mag] 15.693000000000001 15.693000000000001 15.693000000000001 15.693000000000001 15.693000000000001 15.693000000000001
J-band [mag] 14.8 14.8 14.8 14.8 14.8 14.8
H-band [mag] 14.334000000000001 14.334000000000001 14.334000000000001 14.334000000000001 14.334000000000001 14.334000000000001
K-band [mag] 14.298 14.298 14.298 14.298 14.298 14.298
Disposition Score --- 0.9880000000000001 --- --- --- ---
Comment --- NO_COMMENT --- --- --- ---
Eccentricity --- 0 0 0 0 0
Impact Parameter ---
0.094 +0.357-0.094
0.7359 +0.1957-0.5298
0.7359 +0.1957-0.5298
0.7359 +0.1957-0.5298
0.02±0.15
Transit Duration [hrs] --- 1.756±0.121 1.798±0.128 1.798±0.128 1.798±0.128 1.7659
Transit Depth [ppm] --- 861.3±65.5 968.4±77.9 968.4±77.9 968.4±77.9 923
Planet-Star Radius Ratio ---
0.026742 +0.001688-0.000925
0.030861 +0.006118-0.002549
0.030861 +0.006118-0.002549
0.030861 +0.006118-0.002549
0.027±0.013
Fitted Stellar Density [g/cm**3] ---
33.23080 +7.35923-14.87901
10.88563 +27.10371-9.61708
10.88563 +27.10371-9.61708
10.88563 +27.10371-9.61708
---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC ---
Planetary Radius [Earth radii] ---
2.52 +0.57-0.2
2.88 +0.94-0.22
2.88 +0.94-0.22
2.88 +0.94-0.22
2.5±1.3
Orbit Semi-Major Axis [au] --- .1421 .1415 .1415 .1415 .142
Inclination [deg] --- 89.94 89.38 89.38 89.38 89.95
Equilibrium Temperature [K] --- 625 623 623 623 620
Insolation Flux [Earth flux] ---
36.14 +24.06-9.00
35.66 +34.54-8.53
35.66 +34.54-8.53
35.66 +34.54-8.53
---
Planet-Star Distance over Star Radius --- 88.7±19.7 61.2±30.5 61.2±30.5 61.2±30.5 90±25
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 -0.1673
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 0.1796
Limb Darkening Coeff. 2 --- 0.2676 0.2717 0.2717 0.2717 0.2876
Limb Darkening Coeff. 1 --- 0.39280000000000004 0.3865 0.3865 0.3865 0.434
Maximum Single Event Statistic --- 4.3180394 5.686497 --- --- ---
Maximum Multiple Event Statistic --- 14.430404 15.150663 --- --- ---
Transit Signal-to-Noise --- 16.0 15.5 15.5 15.5 16.4
Number of Transits --- 65 65 --- --- ---
TCE Planet Number --- 1 1 1 1 ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- ---
Odd-Even Depth Comparision Statistic --- 0.9790000000000001 --- --- --- ---
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 --- kplr008617363-001-20160209194854_dvs.pdf kplr008617363-001-20141002224145_dvs.pdf kplr008617363-001-20130826182306_dvs.pdf kplr008617363-001-20121115231752_dvs.pdf ---
Stellar Effective Temperature [K] ---
5749 +153-170
5751 +158-163
5751 +158-163
5751.00 +158.00-163.00
5736.00±92.00
Stellar Surface Gravity [log10(cm/s**2)] ---
4.547 +0.04-0.16
4.552 +0.028-0.238
4.552 +0.028-0.238
4.552 +0.028-0.238
4.560±0.300
Stellar Metallicity [dex] ---
-0.1 +0.25-0.3
-0.140±0.260 -0.140±0.260 -0.140±0.260 ---
Stellar Radius [Solar radii] ---
0.864 +0.194-0.069
0.854 +0.281-0.065
0.854 +0.281-0.065
0.8540 +0.2810-0.0650
0.8500±0.1800
Stellar Mass [Solar mass] ---
0.961 +0.092-0.127
0.945 +0.085-0.101
0.945 +0.085-0.101
0.9450 +0.0850-0.1010
0.9610±0.0380
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault
FW Source α(OOT) [hrs] --- 19.263671±0.000024 19.263661±0.000022 19.263666±0.00002 19.263668000±0.000028000 19.263685000±0.000027000
FW Source δ(OOT) [deg] --- 44.7055±0.00025 44.70539±0.00024 44.70531±0.00022 44.70523000±0.00030000 44.70613000±0.00030000
FW Source Δα(OOT) [sec] --- -1.11±0.94 -1.5±0.84 -1.29±0.77 -0.12000±0.10000 -0.06500±0.09700
FW Source Δδ(OOT) [arcsec] --- -0.72±0.9 -1.1±0.86 -1.41±0.78 -0.11800±0.07100 0.10000±0.07200
FW Δα(OOT) [sec] --- 0.00106±0.00085 0.00148±0.00079 0.00141±0.00081 0.00011±9.2e-05 6.3e-05±4.7e-05
PRF ΔαSQ(OOT) [arcsec] --- -0.36±0.38 -0.13±0.39 -0.1±0.49 0.1600±0.4600 0.3500±0.5800
PRF ΔδSQ(OOT) [arcsec] --- 0.38±0.5 0.32±0.52 0.28±0.65 0.3600±0.6900 0.7100±0.7800
PRF ΔθSQ(OOT) [arcsec] --- 0.52±0.4 0.34±0.52 0.3±0.64 0.3900±0.6600 0.7900±0.7400
PRF ΔαSQ(KIC) [arcsec] --- -0.24±0.39 0±0.37 -0.02±0.46 0.2700±0.4500 0.4600±0.5800
PRF ΔδSQ(KIC) [arcsec] --- 0.48±0.49 0.43±0.54 0.36±0.56 0.4100±0.6600 0.7500±0.7600
PRF ΔθSQ(KIC) [arcsec] --- 0.54±0.45 0.43±0.47 0.36±0.52 0.4900±0.6100 0.8800±0.7100
FW Offset Significance [percent] --- --- 0.0 0.0 0.002 0.034
FW Δδ(OOT) [arcsec] --- --- 0.00107±0.00082 0.00153±0.00084 0.000105±6.6e-05 -9.7e-05±3.5e-05
Chi-Square --- --- --- --- --- 1.36
Stellar Age [Gyr] --- --- --- --- --- 0.5±3.3
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
3 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 Associated Literature Data
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