K2-268 Overview

K2-268 0.77 R⦿ 5006.27 K
K2-268 b
0.134 RJup
K2-268 d
0.133 RJup
K2-268 e
0.119 RJup
K2-268 c
0.240 RJup
K2-268 f
0.199 RJup
Discovery Data
Host Planet Method Year Reference Disposition
K2-268 K2-268 b Transit 2018 Livingston et al. 2018 Confirmed Planet
K2-268 K2-268 d Transit 2019 Kruse et al. 2019 Confirmed Planet
K2-268 K2-268 e Transit 2019 Kruse et al. 2019 Confirmed Planet
K2-268 K2-268 c Transit 2018 Livingston et al. 2018 Confirmed Planet
K2-268 K2-268 f Transit 2019 Kruse et al. 2019 Confirmed Planet
K2-268
RA
08h54m50.28s
Dec
+11d50m53.78s
Distance
327.783+3.236-3.175
pc
Parallax
3.0221400±0.0296087 mas
Ecliptic Latitude
-5.33795 deg
Ecliptic Longitude
132.78317 deg
Galactic Latitude
32.70262 deg
Galactic Longitude
216.0731 deg
Total Proper Motion
8.1952795±0.0497078 mas/yr
Proper Motion (RA)
-8.1943800±0.0497106 mas/yr
Proper Motion (Dec)
0.1214180±0.0344947 mas/yr
Photometry
mV
13.848±0.114
mTESS
12.986±0.006
mJ
12.158±0.021
mH
11.720±0.028
mKs
11.639±0.023
mKep
13.539
mW1
11.584±0.023
mW2
11.651±0.022
mW3
11.810±0.281
mW4
8.817
mGaia
13.562700±0.000175
mB
14.775±0.138
mg
15.4095000±0.0074005
mi
15.0370000±0.0121596
mr
13.6166000±0.0019052
mu
16.3424000±0.0068975
mz
13.7656000±0.0058749
Source de Leon et al. 2021 TICv8 Livingston et al. 2018 Gaia DR2 Kruse et al. 2019 Kruse et al. 2019 Petigura et al. 2018 Nardiello et al. 2016 Pope et al. 2016 Barros et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5106+70-61
5035.990+120.990-124.995
5068±51
5006.267+118.563-80.457
--- --- --- --- --- ---
L
(log10(L⦿))
---
-0.4294238+0.0172003-0.0166248
---
-0.47140171+0.01023574-0.01048281
--- --- --- --- --- ---
R
(R⦿)
0.78±0.02
0.8012550+0.0630643-0.0389206
0.78±0.01
0.7725450+0.0254432-0.0353322
0.773 +0.035-0.025
0.773 +0.035-0.025
0.78 0.713 --- ---
Metallicity
(dex)
0.03±0.05 [Fe/H] 0.08480390±0.03746750 [M/H] 0.03±0.06 [Fe/H] --- --- --- --- --- --- ---
M
(M⦿)
0.84±0.02
0.8390000+0.1190600-0.0859555
0.84±0.02 --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.58+0.02-0.03
4.5542900+0.0964259-0.0777817
4.59±0.01 --- --- --- --- --- --- ---
ρ
(g/cm3)
---
2.2993985+0.7002974-0.4595949
--- --- --- --- --- --- --- ---
Prot
(days)
24.87±2.64 --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Transit
Source de Leon et al. 2021 Livingston et al. 2018 Kruse et al. 2019 Show Candidate Solutions >> << Hide Candidate Solutions
a/R
7.76+0.72-1.84
7.960+1.720-2.090
6.0 +2.6-1.2
P
(days)
2.151676+0.000005-0.000006
2.151894+0.000393-0.000363
2.15228±0.00023
Rp
(R)
1.50+0.12-0.07
1.41±0.14
1.61 +0.17-0.39
Rp
(RJup)
0.134+0.011-0.006
0.126±0.012
0.144 +0.015-0.035
Rp/R
0.0175+0.0014-0.0006
0.0167+0.0019-0.0015
0.0191 +0.0019-0.0045
δ
(%)
--- ---
0.0398 +0.0035-0.0038
T14
(hours)
1.97+0.06-0.05
---
2.42400+0.21600-0.28800
TC
(days)
2457143.654276+0.002437-0.002523
2457143.65197+0.00754-0.00771
2457141.4957 +0.0047-0.0045
Teq
(K)
1136+18-19
1121±14 ---
b
0.42+0.33-0.30
0.43+0.33-0.30
---
a
(au)
--- 0.0308±0.0002 ---
Status
Confirmed Planet
Detected By
Transit
Source de Leon et al. 2021 Kruse et al. 2019 Show Candidate Solutions >> << Hide Candidate Solutions
a/R
12.57+1.18-3.32
10.9 +3.6-1.8
P
(days)
4.528598+0.000016-0.000015
4.52905 +0.00051-0.00058
Rp
(R)
1.49+0.14-0.07
1.85 +0.16-0.30
Rp
(RJup)
0.133+0.012-0.006
0.165 +0.014-0.03
Rp/R
0.0173+0.0016-0.0006
0.0220 +0.0016-0.0035
δ
(%)
---
0.0531 +0.003-0.0031
T14
(hours)
2.57+0.12-0.10
2.83200+0.19200-0.24000
TC
(days)
2457143.974654+0.003182-0.003300
2457143.9728 +0.0049-0.0043
Teq
(K)
888+16-15
---
b
0.40+0.35-0.28
---
Status
Confirmed Planet
Detected By
Transit
Source de Leon et al. 2021 Kruse et al. 2019 Show Candidate Solutions >> << Hide Candidate Solutions
a/R
16.93+1.89-4.06
17.1 +5.6-2.4
P
(days)
6.131243+0.000032-0.000033
6.13174 +0.00059-0.00062
Rp
(R)
1.33+0.11-0.08
1.72 +0.12-0.21
Rp
(RJup)
0.119+0.010-0.007
0.153 +0.011-0.019
Rp/R
0.0155+0.0013-0.0008
0.0204 +0.0011-0.0024
δ
(%)
---
0.0436 +0.0026-0.0027
T14
(hours)
2.54+0.14-0.13
2.44800+0.12000-0.14400
TC
(days)
2457142.343959+0.004850-0.004706
2457142.3404 +0.0037-0.0036
Teq
(K)
801±13 ---
b
0.42+0.32-0.28
---
Status
Confirmed Planet
Detected By
Transit
Source de Leon et al. 2021 Livingston et al. 2018 Kruse et al. 2019 Petigura et al. 2018 Nardiello et al. 2016 Pope et al. 2016 Barros et al. 2016 Show Candidate Solutions >> << Hide Candidate Solutions
b
0.65+0.30-0.45
0.44+0.36-0.30
---
0.81 +0.24-0.53
--- 0 ---
P
(days)
9.327527+0.000021-0.000020
9.326841+0.001532-0.001617
9.32705±0.00061
9.326100 +0.001564-0.001524
9.325429±0.001094 9.325 9.33155684
Rp/R
0.0312+0.0091-0.0022
0.0318+0.0036-0.0020
0.043 +0.010-0.016
0.0368 +0.0579-0.0063
0.0275±0.0007 0.030376 ---
δ
(%)
--- ---
0.1239 +0.0048-0.005
--- 0.081±0.007 0.0923 0.134±1426.191
T14
(hours)
3.35+0.62-0.11
---
4.08000+0.43200-0.38400
2.81040+0.36000-0.30960
--- 2.87688
3.95000+0.47400-0.47400
TC
(days)
2457140.846650+0.002133-0.002101
2457150.17220+0.00465-0.00453
2457140.8461±0.0027
2457150.17132 +0.004026-0.003997
2457150.18089±0.002211 2457140.855 2457150.189546
a/R
17.17+4.82-9.46
23.41+3.40-7.38
8.4 +2.0-8.9
--- --- --- ---
Teq
(K)
696+12-13
688±8 --- --- --- --- ---
Rp
(R)
2.69+0.77-0.21
2.69±0.24
3.63 +0.89-1.32
3.1 +4.9-0.5
2.14 --- ---
Rp
(RJup)
0.240+0.069-0.019
0.240±0.021
0.324 +0.079-0.118
0.28 +0.44-0.04
0.191 --- ---
a
(au)
--- 0.0819±0.0006 --- --- --- --- ---
i
(deg)
--- --- --- --- 88.71±0.12 --- ---
Status
Confirmed Planet
Detected By
Transit
Source de Leon et al. 2021 Kruse et al. 2019 Show Candidate Solutions >> << Hide Candidate Solutions
a/R
41.41+3.15-8.33
36.1 +14.1-6.9
P
(days)
26.270570+0.000105-0.000109
26.2678 +0.0060-0.0031
Rp
(R)
2.23+0.15-0.09
2.60 +0.22-0.44
Rp
(RJup)
0.199+0.013-0.008
0.23 +0.020-0.039
Rp/R
0.0259+0.0017-0.0008
0.0309 +0.0022-0.0052
δ
(%)
--- 0.1025±0.0059
T14
(hours)
4.62+0.13-0.11
4.84800+0.24000-0.48000
TC
(days)
2457142.191739+0.003964-0.003853
2457142.1943 +0.0043-0.0039
Teq
(K)
492+8-10
---
b
0.39+0.29-0.27
---
K2 Candidate
EPIC Name EPIC 211413752
2MASS Designation 2MASS J08545028+1150537
Candidate Name EPIC 211413752.02
Planet Name K2-268 b
Reference Disposition CANDIDATE
Reference Link Kruse et al. 2019
Exoplanet Archive Disposition CONFIRMED
Notes Candidate identifier changed to match previous publication.
K2 Campaign 5
Most Recent Flag 1
RA [sexagesimal] 08h54m50.29s
Dec [sexagesimal] +11d50m53.8s
RA [decimal degrees] 133.70954895
Dec [decimal degrees] 11.848264694
Orbital Period [days] 2.15228±0.00023
Transit Midpoint [days]
2457141.4957 +0.0047-0.0045
Transit Depth [percent]
0.0398 +0.0035-0.0038
Transit Duration [days]
0.101 +0.009-0.012
Ratio of Distance to Stellar Radius
6.0 +2.6-1.2
Ratio of Candidate to Stellar Radius
0.0191 +0.0019-0.0045
Candidate Radius [Earth radii]
1.61 +0.17-0.39
Candidate Radius [Jupiter radii]
0.144 +0.015-0.035
Stellar Radius [Solar radii]
0.773 +0.035-0.025
Kepler-band [mag] 13.539
B-band (Johnson) [mag] 14.775±0.140
V-band (Johnson) [mag] 13.853±0.050
g-band (Sloan) [mag] 14.233±0.060
r-band (Sloan) [mag] 13.600±0.180
i-band (Sloan) [mag] 13.241±0.060
J-band (2MASS) [mag] 12.158±0.021
H-band (2MASS) [mag] 11.720±0.028
Ks-band (2MASS) [mag] 11.639±0.023
WISE 3.4um [mag] 11.584±0.023
WISE 4.6um [mag] 11.651±0.022
WISE 12.um [mag] 11.810±0.281
WISE 22.um [mag] >8.817
B-V (Johnson) [mag] 0.922±0.149
J-H (2MASS) [mag] 0.438±0.035
H-Ks (2MASS) [mag] 0.081±0.036
J-Ks (2MASS) [mag] 0.519±0.031
EPIC Name EPIC 211413752
2MASS Designation 2MASS J08545028+1150537
Candidate Name EPIC 211413752.04
Reference Disposition CANDIDATE
Reference Link Kruse et al. 2019
Exoplanet Archive Disposition CANDIDATE
Notes Candidate identifier changed to match previous publication.
K2 Campaign 5
Most Recent Flag 1
RA [sexagesimal] 08h54m50.29s
Dec [sexagesimal] +11d50m53.8s
RA [decimal degrees] 133.70954895
Dec [decimal degrees] 11.848264694
Orbital Period [days]
4.52905 +0.00051-0.00058
Transit Midpoint [days]
2457143.9728 +0.0049-0.0043
Transit Depth [percent]
0.0531 +0.003-0.0031
Transit Duration [days]
0.118 +0.008-0.01
Ratio of Distance to Stellar Radius
10.9 +3.6-1.8
Ratio of Candidate to Stellar Radius
0.0220 +0.0016-0.0035
Candidate Radius [Earth radii]
1.85 +0.16-0.30
Candidate Radius [Jupiter radii]
0.165 +0.014-0.03
Stellar Radius [Solar radii]
0.773 +0.035-0.025
Kepler-band [mag] 13.539
B-band (Johnson) [mag] 14.775±0.140
V-band (Johnson) [mag] 13.853±0.050
g-band (Sloan) [mag] 14.233±0.060
r-band (Sloan) [mag] 13.600±0.180
i-band (Sloan) [mag] 13.241±0.060
J-band (2MASS) [mag] 12.158±0.021
H-band (2MASS) [mag] 11.720±0.028
Ks-band (2MASS) [mag] 11.639±0.023
WISE 3.4um [mag] 11.584±0.023
WISE 4.6um [mag] 11.651±0.022
WISE 12.um [mag] 11.810±0.281
WISE 22.um [mag] >8.817
B-V (Johnson) [mag] 0.922±0.149
J-H (2MASS) [mag] 0.438±0.035
H-Ks (2MASS) [mag] 0.081±0.036
J-Ks (2MASS) [mag] 0.519±0.031
EPIC Name EPIC 211413752
2MASS Designation 2MASS J08545028+1150537
Candidate Name EPIC 211413752.05
Reference Disposition CANDIDATE
Reference Link Kruse et al. 2019
Exoplanet Archive Disposition CANDIDATE
K2 Campaign 5
Most Recent Flag 1
RA [sexagesimal] 08h54m50.29s
Dec [sexagesimal] +11d50m53.8s
RA [decimal degrees] 133.70954895
Dec [decimal degrees] 11.848264694
Orbital Period [days]
6.13174 +0.00059-0.00062
Transit Midpoint [days]
2457142.3404 +0.0037-0.0036
Transit Depth [percent]
0.0436 +0.0026-0.0027
Transit Duration [days]
0.102 +0.005-0.006
Ratio of Distance to Stellar Radius
17.1 +5.6-2.4
Ratio of Candidate to Stellar Radius
0.0204 +0.0011-0.0024
Candidate Radius [Earth radii]
1.72 +0.12-0.21
Candidate Radius [Jupiter radii]
0.153 +0.011-0.019
Stellar Radius [Solar radii]
0.773 +0.035-0.025
Kepler-band [mag] 13.539
B-band (Johnson) [mag] 14.775±0.140
V-band (Johnson) [mag] 13.853±0.050
g-band (Sloan) [mag] 14.233±0.060
r-band (Sloan) [mag] 13.600±0.180
i-band (Sloan) [mag] 13.241±0.060
J-band (2MASS) [mag] 12.158±0.021
H-band (2MASS) [mag] 11.720±0.028
Ks-band (2MASS) [mag] 11.639±0.023
WISE 3.4um [mag] 11.584±0.023
WISE 4.6um [mag] 11.651±0.022
WISE 12.um [mag] 11.810±0.281
WISE 22.um [mag] >8.817
B-V (Johnson) [mag] 0.922±0.149
J-H (2MASS) [mag] 0.438±0.035
H-Ks (2MASS) [mag] 0.081±0.036
J-Ks (2MASS) [mag] 0.519±0.031
EPIC Name EPIC 211413752 EPIC 211413752 EPIC 211413752 EPIC 211413752 EPIC 211413752
2MASS Designation 2MASS J08545028+1150537 2MASS J08545028+1150537 2MASS J08545028+1150537 2MASS J08545028+1150537 2MASS J08545028+1150537
Candidate Name EPIC 211413752.01 EPIC 211413752.01 EPIC 211413752.01 EPIC 211413752.01 EPIC 211413752.01
Planet Name K2-268 c K2-268 c K2-268 c K2-268 c K2-268 c
Reference Disposition CANDIDATE CANDIDATE CANDIDATE CANDIDATE CANDIDATE
Reference Link Kruse et al. 2019 Petigura et al. 2018 Nardiello et al. 2016 Barros et al. 2016 Pope et al. 2016
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
K2 Campaign 5 5 5 5 5
Most Recent Flag 1 0 0 0 0
RA [sexagesimal] 08h54m50.29s 08h54m50.29s 08h54m50.29s 08h54m50.29s 08h54m50.29s
Dec [sexagesimal] +11d50m53.8s +11d50m53.8s +11d50m53.8s +11d50m53.8s +11d50m53.8s
RA [decimal degrees] 133.70954895 133.70954895 133.70954895 133.70954895 133.70954895
Dec [decimal degrees] 11.848264694 11.848264694 11.848264694 11.848264694 11.848264694
Orbital Period [days] 9.32705±0.00061
9.326100 +0.001564-0.001524
9.325429±0.001094 9.33155684 9.325
Transit Midpoint [days] 2457140.8461±0.0027
2457150.17132 +0.004026-0.003997
2457150.18089±0.002211 2457150.189546 2457140.855
Transit Depth [percent]
0.1239 +0.0048-0.005
--- 0.081±0.007 0.134±1426.191 0.0923
Transit Duration [days]
0.17 +0.018-0.016
0.1171 +0.0150-0.0129
--- 0.1646±0.0198 0.11987
Ratio of Distance to Stellar Radius
8.4 +2.0-8.9
--- --- --- ---
Ratio of Candidate to Stellar Radius
0.043 +0.010-0.016
0.0368 +0.0579-0.0063
0.0275±0.0007 --- 0.030376
Candidate Radius [Earth radii]
3.63 +0.89-1.32
3.1 +4.9-0.5
2.14 --- ---
Candidate Radius [Jupiter radii]
0.324 +0.079-0.118
0.28 +0.44-0.04
0.191 --- ---
Stellar Radius [Solar radii]
0.773 +0.035-0.025
0.78 0.713 --- ---
Kepler-band [mag] 13.539 13.539 13.539 13.539 13.539
B-band (Johnson) [mag] 14.775±0.140 14.775±0.140 14.775±0.140 14.775±0.140 14.775±0.140
V-band (Johnson) [mag] 13.853±0.050 13.853±0.050 13.853±0.050 13.853±0.050 13.853±0.050
g-band (Sloan) [mag] 14.233±0.060 14.233±0.060 14.233±0.060 14.233±0.060 14.233±0.060
r-band (Sloan) [mag] 13.600±0.180 13.600±0.180 13.600±0.180 13.600±0.180 13.600±0.180
i-band (Sloan) [mag] 13.241±0.060 13.241±0.060 13.241±0.060 13.241±0.060 13.241±0.060
J-band (2MASS) [mag] 12.158±0.021 12.158±0.021 12.158±0.021 12.158±0.021 12.158±0.021
H-band (2MASS) [mag] 11.720±0.028 11.720±0.028 11.720±0.028 11.720±0.028 11.720±0.028
Ks-band (2MASS) [mag] 11.639±0.023 11.639±0.023 11.639±0.023 11.639±0.023 11.639±0.023
WISE 3.4um [mag] 11.584±0.023 11.584±0.023 11.584±0.023 11.584±0.023 11.584±0.023
WISE 4.6um [mag] 11.651±0.022 11.651±0.022 11.651±0.022 11.651±0.022 11.651±0.022
WISE 12.um [mag] 11.810±0.281 11.810±0.281 11.810±0.281 11.810±0.281 11.810±0.281
WISE 22.um [mag] >8.817 >8.817 >8.817 >8.817 >8.817
B-V (Johnson) [mag] 0.922±0.149 0.922±0.149 0.922±0.149 0.922±0.149 0.922±0.149
J-H (2MASS) [mag] 0.438±0.035 0.438±0.035 0.438±0.035 0.438±0.035 0.438±0.035
H-Ks (2MASS) [mag] 0.081±0.036 0.081±0.036 0.081±0.036 0.081±0.036 0.081±0.036
J-Ks (2MASS) [mag] 0.519±0.031 0.519±0.031 0.519±0.031 0.519±0.031 0.519±0.031
Impact Parameter ---
0.81 +0.24-0.53
--- --- 0
Inclination [deg] --- --- 88.71±0.12 --- ---
EPIC Name EPIC 211413752
2MASS Designation 2MASS J08545028+1150537
Candidate Name EPIC 211413752.03
Reference Disposition CANDIDATE
Reference Link Kruse et al. 2019
Exoplanet Archive Disposition CANDIDATE
K2 Campaign 5
Most Recent Flag 1
RA [sexagesimal] 08h54m50.29s
Dec [sexagesimal] +11d50m53.8s
RA [decimal degrees] 133.70954895
Dec [decimal degrees] 11.848264694
Orbital Period [days]
26.2678 +0.0060-0.0031
Transit Midpoint [days]
2457142.1943 +0.0043-0.0039
Transit Depth [percent] 0.1025±0.0059
Transit Duration [days]
0.202 +0.01-0.02
Ratio of Distance to Stellar Radius
36.1 +14.1-6.9
Ratio of Candidate to Stellar Radius
0.0309 +0.0022-0.0052
Candidate Radius [Earth radii]
2.60 +0.22-0.44
Candidate Radius [Jupiter radii]
0.23 +0.020-0.039
Stellar Radius [Solar radii]
0.773 +0.035-0.025
Kepler-band [mag] 13.539
B-band (Johnson) [mag] 14.775±0.140
V-band (Johnson) [mag] 13.853±0.050
g-band (Sloan) [mag] 14.233±0.060
r-band (Sloan) [mag] 13.600±0.180
i-band (Sloan) [mag] 13.241±0.060
J-band (2MASS) [mag] 12.158±0.021
H-band (2MASS) [mag] 11.720±0.028
Ks-band (2MASS) [mag] 11.639±0.023
WISE 3.4um [mag] 11.584±0.023
WISE 4.6um [mag] 11.651±0.022
WISE 12.um [mag] 11.810±0.281
WISE 22.um [mag] >8.817
B-V (Johnson) [mag] 0.922±0.149
J-H (2MASS) [mag] 0.438±0.035
H-Ks (2MASS) [mag] 0.081±0.036
J-Ks (2MASS) [mag] 0.519±0.031
Known Objects
5 Confirmed Planets
3 K2 Targets
1 2MASS Point Source Catalog
Data Files
2 K2 Time Series
5 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
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Time Series
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