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K2-19 Overview

K2-19 0.81 R⦿ 5519.00 K
K2-19 d
0.099 RJup
K2-19 b
0.624 RJup
K2-19 c
0.366 RJup
Architecture
K2-19
K2-19
K2-19 d
K2-19 b
K2-19 c
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
K2-19 K2-19 d 2.51 d 1.11 R⨁ Transit 2016 Dai et al. 2016 Confirmed Planet
K2-19 K2-19 b 7.92 d 7 R⨁ Transit 2015 Dai et al. 2016 Confirmed Planet
K2-19 K2-19 c 11.9 d 4.1 R⨁ Transit 2015 Dai et al. 2016 Confirmed Planet
K2-19 b K2-19 c
RA
11h39m50.46s
Dec
+00d36m12.95s
Distance
289.827+5.680-5.469
pc
Parallax
3.4229800±0.0658381 mas
Ecliptic Latitude
-1.44837 deg
Ecliptic Longitude
175.13098 deg
Galactic Latitude
58.39355 deg
Galactic Longitude
267.02928 deg
Total Proper Motion
19.2996223±0.1019238 mas/yr
Proper Motion (RA)
-18.787800±0.103537 mas/yr
Proper Motion (Dec)
4.4152000±0.0662335 mas/yr
Photometry
mV
13.024±0.092
mTESS
12.3049±0.0068
mJ
11.596±0.024
mH
11.208±0.022
mKs
11.161±0.026
mKep
12.806
mW1
11.105±0.023
mW2
11.152±0.021
mW3
10.922±0.118
mW4
8.978
mGaia
12.815300±0.000455
mB
13.798±0.020
mg
13.8193000±0.0022231
mi
12.7544000±0.0023179
mr
12.8409000±0.0010122
mu
15.863900±0.009394
mz
13.8979000±0.0090665
Abundances
(Hypatia Catalog)
[Fe/H] 0.06±0.02 dex
[C/H] 0.02±0.02 dex
[O/H] -0.06±0.02 dex
[Na/H] -0.16±0.04 dex
[Mg/H] 0.03±0.07 dex
[Al/H] -0.09±0.06 dex
[Si/H] 0.02±0.05 dex
[Ca/H] 0.06±0.06 dex
[Y/H] 0.15±0.08 dex
Mission
K2 : Observed in Campaign 1
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Howard et al. 2025 Petigura et al. 2020 TICv8 Gaia DR2 Mayo et al. 2018 Nespral et al. 2017 Crossfield et al. 2016 Sinukoff et al. 2016 Dai et al. 2016 Barros et al. 2015 Narita et al. 2015 Armstrong et al. 2015 Montet et al. 2015 Kruse et al. 2019 Kruse et al. 2019 ExoFOP Barros et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5322.0±100.0 5322±100
5322.0000+132.9670-75.6606
5336.3335+147.8670-145.6840
 5391.0±50.0 5250±70 5748±245 5430±60 5430±60 5390±180 5345±17 5230±417
5519+49-82
 --- --- 5322.000±104.314 --- 5368
Metallicity
(dex)
0.060±0.050 [Fe/H] 0.060±0.050 [Fe/H] 0.050±0.100 [M/H] --- -0.03±0.08 [Fe/H] 0.10±0.05 [Fe/H] --- 0.10±0.04 [Fe/H] 0.10±0.04 [Fe/H] 0.19±0.12 [Fe/H] 0.07±0.03 [Fe/H] 0.38±0.23 [Fe/H] -0.27±0.10 [Fe/H] --- --- --- --- ---
M✶
(M⦿)
0.88±0.03 0.88±0.03
0.9200000+0.1192960-0.1084960
 ---
0.895163 +0.025646-0.030117
0.918±0.064 0.990±0.100 0.93±0.05 0.93±0.05 0.9490±0.0770 0.902±0.011 0.89±0.06 0.84±0.04 --- --- --- --- ---
R✶
(R⦿)
0.82±0.03 0.82±0.03
0.8404760+0.0387558-0.0463146
0.82338893+0.04686800-0.04380240
0.833805 +0.036282-0.026196
0.881±0.111 1.01±0.19 0.86±0.04 0.86±0.04 0.9130±0.0940 0.914±0.027 0.88±0.06
0.81+0.09-0.05
0.823 +0.044-0.047
0.823 +0.044-0.047
0.840475976467133±0.042535200000000 --- 0.84
γ
(km/s)
--- --- --- --- --- 7.31191±0.00179 --- --- --- 7.2296±0.0080 --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
--- ---
2.1846245+0.5940543-0.3342275
 --- --- --- --- --- --- 1.76±0.46 --- --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.51±0.08 4.51±0.08
4.5528000+0.0755021-0.0781447
 --- 4.6±0.1 4.50±0.10 4.43±0.13 4.63±0.10 4.63±0.07 4.493±0.085 4.394±0.050 4.52±0.22 --- --- --- 4.5528000±0.0768234 --- ---
v sin i
(km/s)
--- --- --- --- --- 3.00±0.50 --- <2 <2 ---
0.85+0.95-0.85
 --- --- --- --- --- --- ---
Age
(Gyr)
--- --- --- --- --- --- --- --- --- --- >8 --- --- --- --- --- --- ---
Sp. T
--- --- --- --- --- --- --- G9 V --- --- --- --- --- --- --- --- --- ---
L✶
(log10(L⦿))
--- ---
-0.2919551+0.0185051-0.0212626
-0.30512339+0.01092738-0.01120944
 --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Prot
(days)
--- --- --- --- --- 20.54±0.30 --- --- 20.4±2.7 --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit Timing Variations, Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Petigura et al. 2020 Howard et al. 2025 Mayo et al. 2018 Crossfield et al. 2016 Sinukoff et al. 2016 Dai et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
--- ---
7.582944 +1.256606-2.237051
---
7.8310+1.9400-2.4600
 --- ---
Teq
(K)
--- 1142.0±31.0 --- --- 1252±36 --- ---
b
--- --- --- ---
0.59+0.26-0.38
 --- 0.61
S
(S⨁)
--- 404.0±44.0 --- 766±324 583.5±66.7 --- ---
i
(deg)
90.8±0.7 ---
86.551882 +2.489191-5.076999
---
85.83+2.97-4.74
 --- ---
P
(days)
2.5081±0.0002 2.5081±0.0002
2.508283 +0.000309-0.000305
2.50858±0.00040 2.50856±0.00041 2.50856±0.00041 2.5084894
Rp
(R⨁)
1.11±0.05 1.11±0.05
1.1587657727 +0.114811696213-0.080811280694
1.22±0.27 1.14±0.13 1.14±0.13 1.26
Rp
(RJup)
0.0990±0.0045 0.0990±0.0045
0.1033781580 +0.0102428135-0.0072094996
0.109±0.024 0.102±0.012 0.102±0.012 0.112
Rp/R✶
0.0124±0.0004 ---
0.012741 +0.001134-0.000793
0.0110±0.0012 0.01109±0.00116 --- 0.01312
a
(au)
--- --- --- 0.0360±0.0012 0.0344±0.0006 --- ---
T14
(hours)
--- --- --- 1.93±0.25 2.170±0.328 --- 2.08000
TC
(days)
2456854.0726±0.0018
(BJD)
2456854.0726±0.0018
(BJD)
2456811.43072 +0.006023-0.006537
2456811.4284±0.0080
(BJD-TDB)
2456808.9207±0.0086
(BJD-TDB)
2456808.9207±0.0086
(BJD)
2456811.428
(BJD)
Mp
(M⨁)
<10 <10.0 --- --- --- <14.0 ---
Mp
(MJup)
<0.03 <0.0315 --- --- --- <0.0440 ---
δ
(%)
--- --- --- --- --- --- 0.0190
e
--- --- --- --- --- 0 ---
ρ
(g/cm3)
--- <40.0 --- --- --- <51.4 ---
K
(m/s)
--- --- --- --- --- <6.9 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit Timing Variations, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
K2 Names
K2 Planets and Candidates
Transit
Source Petigura et al. 2020 Howard et al. 2025 Kokori et al. 2023 Mayo et al. 2018 Nespral et al. 2017 Crossfield et al. 2016 Sinukoff et al. 2016 Dai et al. 2016 Narita et al. 2015 Barros et al. 2015 Armstrong et al. 2015 Montet et al. 2015 Kruse et al. 2019 ExoFOP Barros et al. 2016 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
--- --- 19.66±0.27
19.554603 +0.451397-1.232328
--- ---
18.50+0.35-0.69
 ---
19.35+0.56-1.45
 --- --- 18.35±1.89
19.54 +1.04-0.48
--- --- ---
Teq
(K)
--- 779.0±21.0 --- --- --- --- 854±24 --- --- --- --- 913±48 --- 782.724206079252 --- ---
P
(days)
7.9222±0.0001 7.9222±0.0001 7.920978±0.000019
7.919493 +0.000047-0.000049
7.91951+0.00040-0.00012
 7.919520±0.000054 7.91940±0.00005 7.91940±0.00005 7.920994±0.000071 7.921101±0.000069
7.919454+0.000081-0.000078
 7.91943±0.00007
7.919454 +0.000040-0.000042
7.91778552859751±0.00061280356000 7.91952314 7.9194979
Rp
(R⨁)
7.0±0.2 7.0±0.2 ---
6.75148399725 +0.32187291925-0.229725641743
--- 8.2±1.5 7.74±0.39 7.74±0.39 7.34±0.27 7.46±0.76
7.23+0.56-0.51
 7.11±0.81
6.67 +0.37-0.42
6.59307856904515±0.72927785000000 --- 7.46
Rp
(RJup)
0.62±0.02 0.62±0.02 ---
0.6023270584 +0.0287155785-0.0204947490
--- 0.73±0.13 0.691±0.035 0.691±0.035 0.655±0.024 0.666±0.068
0.645+0.050-0.045
 0.634±0.072
0.595 +0.033-0.037
 0.588196085398305±0.065061923962453 --- 0.666
a
(au)
--- --- --- --- --- 0.0775±0.0026 0.0740±0.0012 --- --- 0.0762±0.0022
0.077+0.008-0.013
 0.0735±0.0013 --- --- --- ---
TC
(days)
2456860.9023±0.0002
(BJD)
2456860.9023±0.0002
(BJD)
2456932.1950±0.0011
(BJD-TDB)
2456813.38334 +0.000265-0.000263
--- 2456813.38319±0.00029
(BJD-TDB)
2456813.3837±0.0003
(BJD-TDB)
2456813.3837±0.0003
(BJD)
2456813.37624±0.00050
(BJD-TDB)
2456813.3767±0.0021
(BJD)
2456813.38345+0.00036-0.00039
(BJD-TDB)
2456813.3836±0.0005
(BJD)
2456813.38374 +0.00023-0.00022
(BJD)
2459554.0421780±0.0022734
(BJD)
2456829.222276
(BJD)
2456813.383
(BJD)
b
--- --- --- --- --- --- 0.17±0.12 ---
0.233+0.213-0.163
 --- --- --- --- --- --- 0.44
S
(S⨁)
--- 87.0±9.0 --- --- --- 165±70 125.9±14.4 --- --- ---
87.70+9.30-12.90
 --- --- 88.7066259701789 --- ---
i
(deg)
91.5±0.1 --- 89.5±0.4
89.374764 +0.454318-0.675587
--- --- 89.47±0.41 --- ---
88.87+0.16-0.60
88.83+1.08-0.89
 --- --- --- --- ---
Rp/R✶
0.0777±0.0006 --- 0.0754±0.0006
0.074234 +0.001446-0.000970
--- 0.07446±0.00057
0.07540+0.00060-0.00043
 ---
0.0737+0.0016-0.0011
0.07451+0.00140-0.00045
0.0753+0.0028-0.0015
 ---
0.0743 +0.0011-0.0020
--- --- 0.07517
T14
(hours)
--- --- --- --- --- 3.237±0.017 3.502±0.063 ---
3.269+0.048-0.034
 --- --- ---
3.26160+0.03600-0.03600
 3.15063904531112±0.20482807000000
3.41500+0.07800-0.07800
 3.31000
e
0.20±0.03 --- --- ---
0.0230+0.2400-0.0200
 --- --- 0 ---
0.119+0.082-0.035
 0 --- --- --- --- ---
Mp
(M⨁)
32.4±1.7 32.4±1.7 --- --- 54.4±8.9 --- ---
28.5+5.4-5.0
 --- 44±12 --- --- --- --- --- ---
Mp
(MJup)
0.102±0.005 0.102±0.005 --- --- 0.171±0.028 --- ---
0.0897+0.0170-0.0157
 --- 0.14±0.04 --- --- --- --- --- ---
δ
(%)
--- --- --- --- --- --- --- --- --- --- --- ---
0.6673 +0.0051-0.005
0.615039843116387±0.025482172000000 0.667±0.009 0.665
ρ
(g/cm3)
--- 0.52±0.05 --- --- --- --- ---
0.334+0.081-0.077
 ---
0.492+0.260-0.092
 --- --- --- --- --- ---
Tp
(days)
--- --- --- --- 2456809.5±0.1
(BJD-TDB)
--- --- --- --- --- --- --- --- --- --- ---
ω
(deg)
--- --- --- --- 271±12 --- --- --- --- 179±52 --- --- --- --- --- ---
K
(m/s)
--- --- --- --- 18.5±3.0 --- ---
9.60+1.80-1.60
 --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit Timing Variations, Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Petigura et al. 2020 Howard et al. 2025 Mayo et al. 2018 Nespral et al. 2017 Crossfield et al. 2016 Sinukoff et al. 2016 Dai et al. 2016 Narita et al. 2015 Barros et al. 2015 Armstrong et al. 2015 Montet et al. 2015 Kruse et al. 2019 Vanderburg et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
--- ---
23.426382 +1.877730-4.032498
--- ---
18.10+5.06-6.18
 ---
24.09+1.72-3.01
 --- --- 24.09±2.48
47.1 +7.6-3.3
---
Teq
(K)
--- 679.0±18.0 --- --- --- 745±21 --- --- --- --- 797±42 --- ---
P
(days)
11.8993±0.0008 11.8993±0.0008
11.907625 +0.000242-0.000241
11.9066+0.0021-0.0014
 11.90724±0.00025 11.90715±0.00150 11.90715±0.00150 12.0028±0.0092 11.90727±0.00058
11.90701+0.00039-0.00044
 11.90691±0.00037
23.81486 +0.00050-0.00055
11.907670
Rp
(R⨁)
4.1±0.2 4.1±0.2
4.0516171391 +0.246217821716-0.149606312468
--- 4.93±0.94
4.86+0.62-0.44
4.86+0.62-0.44
 4.37±0.22 4.51±0.47 4.21±0.31 4.31±0.49
4.10 +0.24-0.36
4.43
Rp
(RJup)
0.37±0.02 0.37±0.02
0.3614610705 +0.0219660828-0.0133469812
--- 0.440±0.084
0.434+0.055-0.039
0.434+0.055-0.039
 0.390±0.020 0.402±0.042 0.376±0.028 0.385±0.044
0.37 +0.021-0.032
 0.395
a
(au)
--- --- --- --- 0.1017±0.0034 0.0971±0.0016 --- --- 0.1001±0.0029
0.1032+0.0074-0.0080
 0.0965±0.0017 --- ---
TC
(days)
2456853.0007±0.0004
(BJD)
2456853.0007±0.0004
(BJD)
2456817.27514 +0.000820-0.000821
--- 2456817.27545±0.00087
(BJD-TDB)
2456817.2755±0.0051
(BJD-TDB)
2456817.2755±0.0051
(BJD)
--- 2456817.2755±0.0022
(BJD)
2456817.2759±0.0012
(BJD-TDB)
2456817.2764±0.0018
(BJD)
2456817.27527 +0.00090-0.00087
(BJD)
2456817.275
(BJD)
b
--- --- --- --- ---
0.630+0.200-0.390
 ---
0.367+0.260-0.246
 --- --- --- --- 0.65
S
(S⨁)
--- 51.0±5.0 --- --- 96.0±40.0 73.1±8.4 --- --- ---
48.8+6.4-6.2
 --- --- ---
i
(deg)
91.1±0.1 ---
89.043553 +0.674629-0.953734
--- ---
87.99+1.42-1.99
 --- ---
88.92+0.14-0.41
89.91+0.05-0.32
 --- --- ---
Rp/R✶
0.0458±0.0004 ---
0.044549 +0.001890-0.000864
--- 0.0444±0.0014
0.04727+0.00568-0.00352
 ---
0.0439+0.0018-0.0009
 0.04515±0.00073
0.0439+0.0011-0.0012
 ---
0.0456 +0.0012-0.0030
0.04650
T14
(hours)
--- --- --- --- 3.823±0.057
4.371+0.939-0.396
 ---
3.686+0.101-0.065
 --- --- ---
3.78480+0.07440-0.09600
 3.88000
e
0.21±0.03 --- ---
0.183+0.283-0.003
 --- --- 0 --- --- 0 --- --- ---
Mp
(M⨁)
10.8±0.6 10.8±0.6 ---
7.50+3.00-1.40
 --- --- 25.6±7.1 ---
15.9+7.7-2.8
 --- --- --- ---
Mp
(MJup)
0.0340±0.0019 0.0340±0.0019 ---
0.0236+0.0094-0.0044
 --- --- 0.0805±0.0223 ---
0.0500+0.0242-0.0088
 --- --- --- ---
δ
(%)
--- --- --- --- --- --- --- --- --- --- ---
0.2325 +0.004-0.0042
0.234
ρ
(g/cm3)
--- 0.870±0.140 --- --- --- --- 1.18±0.57 ---
0.940+0.460-0.190
 --- --- --- ---
ω
(deg)
--- --- --- 275±5 --- --- --- ---
237+15-68
 --- --- --- ---
K
(m/s)
--- --- ---
2.3+0.9-0.4
 --- --- 7.5±2.1 --- --- --- --- --- ---
Tp
(days)
--- --- --- 2456811.55±0.15
(BJD-TDB)
--- --- --- --- --- --- --- --- ---
Print
Known Objects
3 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
3 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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