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Kepler-44 Overview

Kepler-44 1.50 R⦿ 5757.00 K
Kepler-44 b
1.090 RJup
Architecture
Kepler-44
Kepler-44
Kepler-44 b
Other Data
Bibliography 23
Exoplanet Archive Notes 1
Nearby Data 7
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-44 Kepler-44 b Transit 2011 Bonomo et al. 2011 Confirmed Planet
Kepler-44 b
  • Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
RA
20h00m24.56s
Dec
+45d45m43.89s
Distance
1188.000±32.645 pc
Parallax
0.8135700±0.0229378 mas
Ecliptic Latitude
63.81942 deg
Ecliptic Longitude
322.4682 deg
Galactic Latitude
8.20087 deg
Galactic Longitude
80.6199 deg
Total Proper Motion
8.2791744±0.0384576 mas/yr
Proper Motion (RA)
-0.9426960±0.0376849 mas/yr
Proper Motion (Dec)
8.2253300±0.0384676 mas/yr
Photometry
mV
14.803±0.137
mTESS
14.1223±0.0231
mJ
13.340±0.026
mH
12.969±0.025
mKs
12.878±0.034
mKep
14.678
mW1
12.775±0.024
mW2
12.857±0.024
mW3
12.003±0.177
mW4
9.364
mGaia
14.690100±0.000284
mB
14.924±0.067
mg
15.300
mi
14.411
mr
14.629
mz
14.309
Abundances
(Hypatia Catalog)
[Fe/H] 0.47±0.04 dex
[Na/H] -0.15±0.04 dex
[Si/H] 0.12±0.05 dex
Mission
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
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
 Berger et al. 2018
 Gaia DR2 Bonomo et al. 2017
 Morton et al. 2016
 Bonomo et al. 2015
 Mortier et al. 2013 Batalha et al. 2013 Southworth 2012
 Bonomo et al. 2011
 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table
 ExoFOP-TESS TOI
 Q1-Q17 DR24 KOI Table
 Q1-Q16 KOI Table
 Q1-Q12 KOI Table
 Q1-Q8 KOI Table
 Q1-Q6 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5757.0±134.0 5757±115
5053.7773+17.4790-54.7773
 5800±100
5782.000+94.688-95.520
 5800±100 5757±134 5287 5757±134 5757±134 5287 ---
5763 +103-114
5757±134
5763 +101-115
5763 +101-115
5763.00 +101.00-115.00
5442.00±88.00 5287
R✶
(R⦿)
1.49959
1.483+0.079-0.075
1.6673844+0.0367415-0.0114740
 1.350±0.080
1.450+0.118-0.102
 1.35±0.08 1.51±0.14 0.89 1.46±0.12 1.52±0.09 0.953 ---
1.457 +0.121-0.109
1.49959003925323
1.457 +0.12-0.115
1.457 +0.12-0.115
1.4570 +0.1200-0.1150
0.8700±0.5200 .89
log g
(log10(cm/s2))
4.09896 --- --- ---
4.150+0.050-0.049
 4.22±0.04 4.15±0.06 4.46 4.192±0.055 4.15±0.06 4.48 ---
4.15 +0.055-0.044
4.09896
4.15 +0.051-0.047
4.15 +0.051-0.047
4.150 +0.051-0.047
4.480±0.300 4.46
Metallicity
(dex)
0.26±0.10 [M/H] --- --- 0.150±0.100
0.180+0.087-0.090
[Fe/H] 		0.15±0.10 [Fe/H] 0.26±0.10 [Fe/H] --- 0.26±0.10 [Fe/H] 0.26±0.10 [Fe/H] -0.104 [Fe/H] --- 0.26±0.15 [Fe/H] ---
0.260 +0.120-0.140
[Fe/H]
0.260 +0.120-0.140
[Fe/H]
0.260 +0.120-0.140
[Fe/H] 		--- ---
γ
(km/s)
--- --- --- --- --- -35.892±0.009 --- --- --- -35.892±0.004 --- --- --- --- --- --- --- --- ---
v sin i
(km/s)
--- --- --- 4.0±2.0 --- 4±2 --- --- --- 4±2 --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- ---
5.8+2.4-1.5
7.41+1.70-2.30
5.8 +2.4-1.5
--- ---
4.70+4.40-6.70
6.95 +1.1-1.7
--- --- --- --- --- --- --- 10.2±3.8 ---
ρ✶
(g/cm3)
0.4306089 --- --- --- --- 0.63±0.10 0.39±0.07 --- 0.547±0.100
0.48 +0.07-0.06
--- ---
0.88211 +0.11700-0.07532
---
0.92670 +0.14547-0.11264
0.92670 +0.14547-0.11264
0.92670 +0.14547-0.11264
--- ---
M✶
(M⦿)
1.03 --- --- 1.120±0.080
1.080+0.102-0.055
 1.12±0.08 1.17±0.10 --- 1.21±0.13 1.19±0.10 --- ---
1.093 +0.124-0.076
---
1.093 +0.102-0.088
1.093 +0.102-0.088
1.0930 +0.1020-0.0880
0.8370±0.0960 ---
Sp. T
--- --- --- --- --- G2 IV --- --- --- G2 IV --- --- --- --- --- --- --- --- ---
L✶
(log10(L⦿))
0.3474262 ---
0.21323063+0.03080302-0.03315570
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Print
Kepler-44 b Planetary Parameters (15 Solutions)
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Kepler Names
KOI
Transit
Source Bonomo et al. 2015
 Gajdoš et al. 2019
 Berger et al. 2018
 Bonomo et al. 2017
 Holczer et al. 2016
 Morton et al. 2016
 Southworth 2012
 Bonomo et al. 2011
 Q1-Q17 DR25 Supplemental KOI Table
 Q1-Q17 DR25 KOI Table
 ExoFOP-TESS TOI
 Q1-Q17 DR24 KOI Table
 Q1-Q16 KOI Table
 Q1-Q12 KOI Table
 Q1-Q8 KOI Table
 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
7.07 +0.35-0.37
--- --- --- --- ---
6.7340+0.4345-0.3848
6.45 +0.32-0.26
 --- 7.89±1 --- 8.02±1.3 8.02±1.3 8.02±1.3 8.5±1.2
Teq
(K)
1544±47 --- --- --- --- --- 1568±59 1603±51 --- 1459 1493.28197688798 1460 1460 1460 1118
b
0.62±0.02 --- --- --- --- --- ---
0.70 +0.03-0.04
 ---
0.475 +0.043-0.082
---
0.4476 +0.0681-0.1078
0.4476 +0.0681-0.1078
0.4476 +0.0681-0.1078
0.285±0.1
Mp
(M⨁)
317.82±31.78 --- ---
311.8+31.8-30.8
 --- --- 327.4±27.7 324.17±22.25 --- --- --- --- --- --- ---
Mp
(MJup)
1.00±0.10 --- ---
0.9810+0.1000-0.0970
 --- --- 1.030±0.087 1.02±0.07 --- --- --- --- --- --- ---
e
<0.066 --- --- <0.070 --- --- --- <0.021 --- 0 --- 0 0 0 0
i
(deg)
84.96 +0.50-0.62
--- ---
84.96+0.50-0.62
 --- --- 84.30±0.83
83.78 +0.65-0.55
 --- 86.55 --- 86.52 86.52 86.52 88.24
P
(days)
3.2467293±0.0000030 3.2467314960±0.0000003253 --- 3.2467293±0.0000030 3.24673248±0.00000013 3.246732651±4.06e-07 3.2467220±0.0000073 3.246740±0.000018 3.246732048±3.94e-07 3.246732048±3.94e-07 3.25096567932248±0.00144256170000 3.246732651±4.06e-07 3.246732651±4.06e-07 3.246732651±4.06e-07 3.246732±1.6e-06
ρ
(g/cm3)
0.93 +0.19-0.17
--- ---
0.940+0.230-0.180
 --- --- 0.73±0.19 0.65±0.12 --- --- --- --- --- --- ---
Rp
(R⨁)
12.22±0.78 ---
12.615+0.680-0.652
 12.22±0.78 ---
12.63+1.03-0.90
 13.5±1.2 13.90±0.78 ---
12.4 +1.03-0.93
12.829716116269±2.353468400000
12.71 +1.05-1
12.71 +1.05-1
12.71 +1.05-1
7.1±4.2
Rp
(RJup)
1.09±0.07 ---
1.1254+0.0607-0.0582
 1.090±0.070 ---
1.127+0.092-0.080
 1.20±0.11 1.24±0.07 ---
1.106+0.092-0.083
 1.1445925780093±0.2099627488876
1.134+0.094-0.089
1.134+0.094-0.089
1.134+0.094-0.089
0.633+0.375-0.375
Rp/R✶
0.0828±0.0008 --- --- --- ---
0.079905 +0.000667-0.001081
--- 0.0844±0.0011 ---
0.077925 +0.00046-0.000889
---
0.079905 +0.000667-0.001081
0.079905 +0.000667-0.001081
0.079905 +0.000667-0.001081
0.0749±0.00095
K
(m/s)
125±11 --- --- 125±11 --- --- 124±5 124±5 --- --- --- --- --- --- ---
a
(au)
0.0446±0.0011 --- ---
0.0446+0.0011-0.0010
 --- --- 0.0457±0.0017 0.0455±0.0013 --- .0442 --- .0442 .0442 .0442 .04
T14
(hours)
3.124±0.014 --- --- --- 3.2357 3.0509±0.0241 --- 3.218±0.043 --- 3.0535±0.0194 3.22611611142941±0.46960762000000 3.0509±0.0241 3.0509±0.0241 3.0509±0.0241 3.0258
TC
(days)
2455187.15640±0.00021 2455187.15690000±0.00006474 --- 2455187.15640±0.00021 2454966.378969±0.000112 2454966.379039±0.000105 2455067.02680±0.00015 2454966.3781±0.0004 2454966.379±0.000101 2454966.379±0.000101 2460534.50455400±0.00607261 2454966.379±0.000105 2454966.379±0.000105 2454966.379±0.000105 2454966.37835±0.00017
S
(S⨁)
--- ---
1109.223+76.823-70.746
 --- --- --- --- --- ---
1072.70 +277.96-225.02
1175.13644502489
1072.70 +274.41-233.15
1072.70 +274.41-233.15
1072.70 +274.41-233.15
---
δ
(%)
--- --- --- --- 0.7396 --- --- --- --- 0.69982±0.00117 0.72182612357673±0.08961608000000 0.74141±0.00137 0.74141±0.00137 0.74141±0.00137 0.68550
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 9305831 9305831 9305831 9305831 9305831 9305831 9305831
KOI Name K00204.01 K00204.01 K00204.01 K00204.01 K00204.01 K00204.01 K00204.01
Kepler Name Kepler-44 b Kepler-44 b Kepler-44 b Kepler-44 b Kepler-44 b Kepler-44 b Kepler-44 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] 3.246732048±3.94e-07 3.246732048±3.94e-07 3.246732651±4.06e-07 3.246732651±4.06e-07 3.246732651±4.06e-07 3.246732±1.6e-06 3.246732±1.6e-06
Transit Epoch [BKJD] 133.379165±0.000101 133.379165±0.000101 133.379039±0.000105 133.379039±0.000105 133.379039±0.000105 133.37835±0.00017 133.37835±0.00017
Transit Epoch [BJD] 2454966.379±0.000101 2454966.379±0.000101 2454966.379±0.000105 2454966.379±0.000105 2454966.379±0.000105 2454966.37835±0.00017 2454966.37835±0.00017
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 kplr009305831-20160209194854_dvr.pdf kplr009305831-20160209194854_dvr.pdf kplr009305831-20141002224145_dvr.pdf kplr009305831-20130815195353_dvr.pdf kplr009305831-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 300.10236 300.10236 300.10236 300.10236 300.10236 300.10236 300.10236
Dec [decimal degrees] 45.762138 45.762138 45.762138 45.762138 45.762138 45.762138 45.762138
Kepler-band [mag] 14.678 14.678 14.678 14.678 14.678 14.678 14.678
g'-band [mag] 15.3 15.3 15.3 15.3 15.3 15.3 15.3
r'-band [mag] 14.629000000000001 14.629000000000001 14.629000000000001 14.629000000000001 14.629000000000001 14.629000000000001 14.629000000000001
i'-band [mag] 14.411000000000001 14.411000000000001 14.411000000000001 14.411000000000001 14.411000000000001 14.411000000000001 14.411000000000001
z'-band [mag] 14.309000000000001 14.309000000000001 14.309000000000001 14.309000000000001 14.309000000000001 14.309000000000001 14.309000000000001
J-band [mag] 13.34 13.34 13.34 13.34 13.34 13.34 13.34
H-band [mag] 12.969000000000001 12.969000000000001 12.969000000000001 12.969000000000001 12.969000000000001 12.969000000000001 12.969000000000001
K-band [mag] 12.878 12.878 12.878 12.878 12.878 12.878 12.878
Disposition Score --- 1.0 --- --- --- --- ---
Comment --- NO_COMMENT --- --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.475 +0.043-0.082
0.4476 +0.0681-0.1078
0.4476 +0.0681-0.1078
0.4476 +0.0681-0.1078
0.285±0.1 0.29±0.29
Transit Duration [hrs] --- 3.0535±0.0194 3.0509±0.0241 3.0509±0.0241 3.0509±0.0241 3.0258 3.0258
Transit Depth [ppm] --- 6998.2±11.7 7414.1±13.7 7414.1±13.7 7414.1±13.7 6855 6855
Planet-Star Radius Ratio ---
0.077925 +0.00046-0.000889
0.079905 +0.000667-0.001081
0.079905 +0.000667-0.001081
0.079905 +0.000667-0.001081
0.0749±0.00095 0.0749±0.00095
Fitted Stellar Density [g/cm**3] ---
0.88211 +0.11700-0.07532
0.92670 +0.14547-0.11264
0.92670 +0.14547-0.11264
0.92670 +0.14547-0.11264
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
12.4 +1.03-0.93
12.71 +1.05-1
12.71 +1.05-1
12.71 +1.05-1
7.1±4.2 7.29
Orbit Semi-Major Axis [au] --- .0442 .0442 .0442 .0442 .04 .04
Inclination [deg] --- 86.55 86.52 86.52 86.52 88.24 ---
Equilibrium Temperature [K] --- 1459 1460 1460 1460 1118 1102
Insolation Flux [Earth flux] ---
1072.70 +277.96-225.02
1072.70 +274.41-233.15
1072.70 +274.41-233.15
1072.70 +274.41-233.15
--- ---
Planet-Star Distance over Star Radius --- 7.89±1 8.02±1.3 8.02±1.3 8.02±1.3 8.5±1.2 8.5±1.2
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 --- 0.257 0.2576 0.2576 0.2576 -0.012 ---
Limb Darkening Coeff. 1 --- 0.4213 0.41700000000000004 0.41700000000000004 0.41700000000000004 0.5021 ---
Maximum Single Event Statistic --- 56.108259999999994 55.375094999999995 --- --- --- ---
Maximum Multiple Event Statistic --- 736.81085 770.06165 --- --- --- ---
Transit Signal-to-Noise --- 775.0 764.1 764.1 764.1 863.7 569.5
Number of Transits --- 415 416 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111111111111111000000000000000 11111111111111111000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.7995 --- --- --- --- ---
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 --- kplr009305831-001-20160209194854_dvs.pdf kplr009305831-001-20141002224145_dvs.pdf kplr009305831-001-20130826182306_dvs.pdf kplr009305831-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5763 +103-114
5763 +101-115
5763 +101-115
5763.00 +101.00-115.00
5442.00±88.00 5287
Stellar Surface Gravity [log10(cm/s**2)] ---
4.15 +0.055-0.044
4.15 +0.051-0.047
4.15 +0.051-0.047
4.150 +0.051-0.047
4.480±0.300 4.46
Stellar Metallicity [dex] --- 0.26±0.15
0.260 +0.120-0.140
0.260 +0.120-0.140
0.260 +0.120-0.140
--- ---
Stellar Radius [Solar radii] ---
1.457 +0.121-0.109
1.457 +0.12-0.115
1.457 +0.12-0.115
1.4570 +0.1200-0.1150
0.8700±0.5200 .89
Stellar Mass [Solar mass] ---
1.093 +0.124-0.076
1.093 +0.102-0.088
1.093 +0.102-0.088
1.0930 +0.1020-0.0880
0.8370±0.0960 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 Pinsonneault KIC
FW Offset Significance [percent] --- 0.0 0.0 0.0 0.0 --- ---
FW Source α(OOT) [hrs] --- 20.0068403±0.00000043 20.00683889±0.00000046 20.00683858±0.00000046 20.006838810±0.000000560 --- ---
FW Source δ(OOT) [deg] --- 45.7623097±0.0000058 45.762315±0.0000054 45.7623257±0.0000057 45.76232010±0.00000670 --- ---
FW Source Δα(OOT) [sec] --- 0.64±0.016 0.587±0.017 0.576±0.017 -0.01730±0.00200 --- ---
FW Source Δδ(OOT) [arcsec] --- 0.611±0.021 0.63±0.019 0.669±0.02 -0.03370±0.00160 --- ---
FW Δα(OOT) [sec] --- 0.00124±0.00022 0.00128±0.00023 0.00143±0.00026 0.00013±3e-05 --- ---
FW Δδ(OOT) [arcsec] --- 0.00401±0.00031 0.00354±0.00032 0.00362±0.00035 0.000253±2.8e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.011±0.068 0.008±0.068 0.016±0.068 0.0110±0.0140 --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.166±0.072 -0.164±0.072 -0.172±0.071 -0.1710±0.0280 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.166±0.072 0.165±0.073 0.173±0.072 0.1710±0.0280 --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.007±0.067 -0.009±0.07 -0.004±0.067 -0.0040±0.0110 --- ---
PRF ΔδSQ(KIC) [arcsec] --- 0.22±0.069 0.22±0.069 0.23±0.07 0.2280±0.0220 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.22±0.069 0.221±0.069 0.23±0.07 0.2280±0.0220 --- ---
Chi-Square --- --- --- --- --- 1.3 1.28
Stellar Age [Gyr] --- --- --- --- --- 10.2±3.8 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
6 2MASS Point Source Catalog
Data Files
2 Kepler Time Series
2 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
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Transit Prediction Service
Time Series
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