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Kepler-1721 Overview

Kepler-1721 0.71 R⦿ 5187.00 K
Kepler-1721 b
0.278 RJup

Kepler-1721 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
Kepler-1721
Kepler-1721 b 4.59 d 3.12 R⨁ Transit 2021 Valizadegan et al. 2022 Confirmed Planet
RA
18h54m10.61s
Dec
+45d13m32.36s
Distance
641.374000+8.303001-8.097000
pc
Parallax
1.5304600±0.0197809 mas
Ecliptic Latitude
67.46975 deg
Ecliptic Longitude
295.49419 deg
Galactic Latitude
18.43362 deg
Galactic Longitude
74.99943 deg
Total Proper Motion
23.0150280±0.0411139 mas/yr
Proper Motion (RA)
9.6140500±0.0370866 mas/yr
Proper Motion (Dec)
20.9108000±0.0419157 mas/yr
Photometry
mV
15.085±0.149
mTESS
14.3240±0.0068
mJ
13.545±0.025
mH
13.135±0.026
mKs
13.016±0.033
mKep
14.868
mW1
12.969±0.023
mW2
13.026±0.025
mW3
12.473±0.321
mW4
9.387
mGaia
14.876200±0.000317
mB
16.329±0.067
mg
15.489
mi
14.603
mr
14.806
mz
14.513
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 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)
5168.0±122.0 5187 5187 --- 5351±159
5361 +164-142
5361 +164-142
5361.00 +164.00-142.00
5321.00±80.00 5187
Metallicity
(dex)
--- --- -0.043 [Fe/H] --- -0.04±0.3 [Fe/H] -0.040±0.280 [Fe/H] -0.040±0.280 [Fe/H] -0.040±0.280 [Fe/H] --- ---
R✶
(R⦿)
0.780964 0.76 0.711 ---
0.796 +0.143-0.061
0.799 +0.23-0.06
0.799 +0.23-0.06
0.7990 +0.2300-0.0600
0.7500±0.2800 .76
log g
(log10(cm/s2))
4.59232 4.61 4.70 ---
4.582 +0.03-0.12
4.58 +0.026-0.185
4.58 +0.026-0.185
4.580 +0.026-0.185
4.620±0.300 4.61
L✶
(log10(L⦿))
-0.4067529 --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
2.5750900 --- --- ---
3.58883 +0.02238-0.98300
3.46465 +0.08693-0.89923
3.46465 +0.08693-0.89923
3.46465 +0.08693-0.89923
--- ---
M✶
(M⦿)
0.87 --- --- ---
0.89 +0.07-0.096
0.889 +0.071-0.094
0.889 +0.071-0.094
0.8890 +0.0710-0.0940
0.8520±0.0520 ---
Age
(Gyr)
--- --- --- --- --- --- --- --- 0.7±3.8 ---
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✶
--- --- --- 15.8754±0.099 15.69±0.394 15.69±0.394 15.69±0.394 15±5.6
Teq
(K)
--- --- --- 924 927 927 927 899
b
--- --- ---
0.02 +0.322-0.02
0.0449 +0.3629-0.0448
0.0449 +0.3629-0.0448
0.0449 +0.3629-0.0448
0.16±0.5
S
(S⨁)
--- --- ---
172.60 +97.43-42.17
174.53 +152.03-40.43
174.53 +152.03-40.43
174.53 +152.03-40.43
---
e
--- --- --- 0 0 0 0 0
i
(deg)
--- --- --- 89.93 89.95 89.95 89.95 89.38
P
(days)
4.592380047 4.59238514±0.00000151 4.592393816±3.023e-06 4.592393816±3.023e-06 4.592390839±3.569e-06 4.592390839±3.569e-06 4.592390839±3.569e-06 4.592392±1.4e-05
Rp
(R⨁)
3.118567559 --- ---
2.51 +0.45-0.2
2.57 +0.74-0.2
2.57 +0.74-0.2
2.57 +0.74-0.2
2.28±0.87
Rp
(RJup)
0.2782204415 --- ---
0.224+0.040-0.018
0.229+0.066-0.018
0.229+0.066-0.018
0.229+0.066-0.018
0.203+0.078-0.078
Rp/R✶
--- --- ---
0.028819 +0.000531-0.000229
0.029428 +0.000731-0.000243
0.029428 +0.000731-0.000243
0.029428 +0.000731-0.000243
0.0278±0.0019
a
(au)
--- --- --- .0519 .052 .052 .052 .051
δ
(%)
--- 0.1068 --- 0.10277±0.00112
0.10718+0.00120-0.00120
0.10718+0.00120-0.00120
0.10718+0.00120-0.00120
 0.09660
T14
(hours)
--- 2.6502 --- 2.2748±0.0192 2.3013±0.0238 2.3013±0.0238 2.3013±0.0238 2.3795
TC
(days)
--- 2454968.266897±0.001346
(BJD)
2455005.005±0.000523
(BJD)
2455005.005±0.000523
(BJD)
2455005.005±0.000625
(BJD)
2455005.005±0.000625
(BJD)
2455005.005±0.000625
(BJD)
2455005.00431±0.00097
(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 8934495 8934495 8934495 8934495 8934495 8934495 8934495
KOI Name K00524.01 K00524.01 K00524.01 K00524.01 K00524.01 K00524.01 K00524.01
Kepler Name Kepler-1721 b Kepler-1721 b Kepler-1721 b Kepler-1721 b Kepler-1721 b Kepler-1721 b Kepler-1721 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 CANDIDATE 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] 4.592393816±3.023e-06 4.592393816±3.023e-06 4.592390839±3.569e-06 4.592390839±3.569e-06 4.592390839±3.569e-06 4.592392±1.4e-05 4.592392±1.4e-05
Transit Epoch [BKJD] 172.004723±0.000523 172.004723±0.000523 172.005119±0.000625 172.005119±0.000625 172.005119±0.000625 172.00431±0.00097 172.00431±0.00097
Transit Epoch [BJD] 2455005.005±0.000523 2455005.005±0.000523 2455005.005±0.000625 2455005.005±0.000625 2455005.005±0.000625 2455005.00431±0.00097 2455005.00431±0.00097
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 kplr008934495-20160209194854_dvr.pdf kplr008934495-20160209194854_dvr.pdf kplr008934495-20141002224145_dvr.pdf kplr008934495-20130815195353_dvr.pdf kplr008934495-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 283.54416 283.54416 283.54416 283.54416 283.54416 283.54416 283.54416
Dec [decimal degrees] 45.225552 45.225552 45.225552 45.225552 45.225552 45.225552 45.225552
Kepler-band [mag] 14.868 14.868 14.868 14.868 14.868 14.868 14.868
g'-band [mag] 15.489 15.489 15.489 15.489 15.489 15.489 15.489
r'-band [mag] 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001 14.806000000000001
i'-band [mag] 14.603000000000002 14.603000000000002 14.603000000000002 14.603000000000002 14.603000000000002 14.603000000000002 14.603000000000002
z'-band [mag] 14.513 14.513 14.513 14.513 14.513 14.513 14.513
J-band [mag] 13.545 13.545 13.545 13.545 13.545 13.545 13.545
H-band [mag] 13.135 13.135 13.135 13.135 13.135 13.135 13.135
K-band [mag] 13.016 13.016 13.016 13.016 13.016 13.016 13.016
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- CENT_KIC_POS KIC_OFFSET --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.02 +0.322-0.02
0.0449 +0.3629-0.0448
0.0449 +0.3629-0.0448
0.0449 +0.3629-0.0448
0.16±0.5 0.16±0.7
Transit Duration [hrs] --- 2.2748±0.0192 2.3013±0.0238 2.3013±0.0238 2.3013±0.0238 2.3795 2.3795
Transit Depth [ppm] --- 1027.7±11.2 1071.8±12 1071.8±12 1071.8±12 966 967
Planet-Star Radius Ratio ---
0.028819 +0.000531-0.000229
0.029428 +0.000731-0.000243
0.029428 +0.000731-0.000243
0.029428 +0.000731-0.000243
0.0278±0.0019 0.0278±0.0019
Fitted Stellar Density [g/cm**3] ---
3.58883 +0.02238-0.98300
3.46465 +0.08693-0.89923
3.46465 +0.08693-0.89923
3.46465 +0.08693-0.89923
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
2.51 +0.45-0.2
2.57 +0.74-0.2
2.57 +0.74-0.2
2.57 +0.74-0.2
2.28±0.87 2.32
Orbit Semi-Major Axis [au] --- .0519 .052 .052 .052 .051 .052
Inclination [deg] --- 89.93 89.95 89.95 89.95 89.38 ---
Equilibrium Temperature [K] --- 924 927 927 927 899 877
Insolation Flux [Earth flux] ---
172.60 +97.43-42.17
174.53 +152.03-40.43
174.53 +152.03-40.43
174.53 +152.03-40.43
--- ---
Planet-Star Distance over Star Radius --- 15.8754±0.099 15.69±0.394 15.69±0.394 15.69±0.394 15±5.6 15±5.6
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 --- 0.19590000000000002 0.2184 0.2184 0.2184 -0.2695 ---
Limb Darkening Coeff. 1 --- 0.5086 0.47500000000000003 0.47500000000000003 0.47500000000000003 0.5581 ---
Maximum Single Event Statistic --- 9.814923 9.182551 --- --- --- ---
Maximum Multiple Event Statistic --- 81.64578999999999 83.05913 --- --- --- ---
Transit Signal-to-Noise --- 105.9 103.2 103.2 103.2 108.8 72.8
Number of Transits --- 288 288 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.3594 --- --- --- --- ---
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 --- kplr008934495-001-20160209194854_dvs.pdf kplr008934495-001-20141002224145_dvs.pdf kplr008934495-001-20130826182306_dvs.pdf kplr008934495-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] --- 5351±159
5361 +164-142
5361 +164-142
5361.00 +164.00-142.00
5321.00±80.00 5187
Stellar Surface Gravity [log10(cm/s**2)] ---
4.582 +0.03-0.12
4.58 +0.026-0.185
4.58 +0.026-0.185
4.580 +0.026-0.185
4.620±0.300 4.61
Stellar Metallicity [dex] --- -0.04±0.3 -0.040±0.280 -0.040±0.280 -0.040±0.280 --- ---
Stellar Radius [Solar radii] ---
0.796 +0.143-0.061
0.799 +0.23-0.06
0.799 +0.23-0.06
0.7990 +0.2300-0.0600
0.7500±0.2800 .76
Stellar Mass [Solar mass] ---
0.89 +0.07-0.096
0.889 +0.071-0.094
0.889 +0.071-0.094
0.8890 +0.0710-0.0940
0.8520±0.0520 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.12200000000000001 0.28800000000000003 0.7260000000000001 0.184 0.10500000000000001 ---
FW Source α(OOT) [hrs] --- 18.9029484±0.0000038 18.9029467±0.0000037 18.9029426±0.0000036 18.902943300±0.000004500 18.902945800±0.000004900 ---
FW Source δ(OOT) [deg] --- 45.225658±0.000045 45.22568±0.000041 45.225657±0.00004 45.22561800±0.00004800 45.22560500±0.00005400 ---
FW Source Δα(OOT) [sec] --- 0.19±0.15 0.13±0.14 -0.03±0.14 -0.00100±0.01600 0.00800±0.01800 ---
FW Source Δδ(OOT) [arcsec] --- 0.39±0.16 0.47±0.15 0.38±0.14 -0.01200±0.01200 -0.01400±0.01300 ---
FW Δα(OOT) [sec] --- -0.00022±0.00014 -0.00011±0.00013 4e-05±0.00014 1e-06±1.6e-05 -7.6e-06±8.7e-06 ---
FW Δδ(OOT) [arcsec] --- 5e-05±0.00016 -3e-05±0.00014 5e-05±0.00015 1.2e-05±1.2e-05 1.4e-05±6.4e-06 ---
PRF ΔαSQ(OOT) [arcsec] --- -0.007±0.079 0.003±0.083 0.011±0.077 0.0230±0.0490 -0.0300±0.0470 ---
PRF ΔδSQ(OOT) [arcsec] --- 0.01±0.091 0.011±0.089 0.007±0.082 0.0300±0.0510 0.0220±0.0640 ---
PRF ΔθSQ(OOT) [arcsec] --- 0.012±0.084 0.011±0.091 0.013±0.084 0.0380±0.0500 0.0380±0.0540 ---
PRF ΔαSQ(KIC) [arcsec] --- 0.139±0.076 0.148±0.079 0.145±0.074 0.1690±0.0370 0.1250±0.0310 ---
PRF ΔδSQ(KIC) [arcsec] --- 0.323±0.087 0.318±0.085 0.325±0.082 0.3270±0.0530 0.3100±0.0670 ---
PRF ΔθSQ(KIC) [arcsec] --- 0.352±0.086 0.351±0.088 0.356±0.081 0.3680±0.0500 0.3340±0.0630 ---
Chi-Square --- --- --- --- --- 1.67 1.69
Stellar Age [Gyr] --- --- --- --- --- 0.7±3.8 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
3 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
1 TrES Time Series
1 Associated Literature Data
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