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K2-154 Overview

K2-154 0.65 R⦿ 3978.00 K
K2-154 b
0.178 RJup
K2-154 c
0.185 RJup

K2-154 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-154
K2-154 b 3.68 d 1.99 R⨁ Transit 2018 Hirano et al. 2018 Confirmed Planet
K2-154 c 7.95 d 2.07 R⨁ Transit 2018 Hirano et al. 2018 Confirmed Planet
RA
12h36m00.36s
Dec
-02d40m10.64s
Distance
129.356±0.445 pc
Parallax
7.7017500±0.0264005 mas
Ecliptic Latitude
1.11365 deg
Ecliptic Longitude
189.31634 deg
Galactic Latitude
59.97066 deg
Galactic Longitude
295.2137 deg
Total Proper Motion
34.5756423±0.0373290 mas/yr
Proper Motion (RA)
0.7503210±0.0581009 mas/yr
Proper Motion (Dec)
-34.5675000±0.0373165 mas/yr
Photometry
mV
13.861±0.126
mTESS
12.3813000±0.0073152
mJ
11.219±0.024
mH
10.519±0.022
mKs
10.368±0.019
mKep
13.351
mW1
10.284±0.022
mW2
10.354±0.019
mW3
10.15±0.07
mW4
8.114
mGaia
13.317300±0.000375
mB
15.435±0.009
mg
14.7597000±0.0029867
mi
15.8428000±0.0134792
mr
13.3987000±0.0028051
mu
17.497600±0.008654
mz
12.3907000±0.0032975
Mission
K2 : Observed in Campaign 10
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source TICv8 Livingston et al. 2018 Gaia DR2 Hirano et al. 2018
Teff
(K)
3929.0±157.0
4097+40-45
4125.295+222.715-183.295
 3978±70
L✶
(log10(L⦿))
-1.046040+0.086300-0.107812
 ---
-1.0394521+0.0037187-0.0037508
-1.02+0.09-0.11
Metallicity
(dex)
---
0.21+0.09-0.10
[Fe/H] 		--- 0.19±0.12 [Fe/H]
M✶
(M⦿)
0.6250580±0.0202128
0.65+0.02-0.01
 --- 0.672±0.061
R✶
(R⦿)
0.6472450±0.0191051 0.63±0.01
0.5915842+0.0562940-0.0590523
 0.649±0.065
log g
(log10(cm/s2))
4.6118500±0.0115972 4.65±0.01 --- 4.645±0.052
Sp. T
--- --- --- M0.0 V
γ
(km/s)
--- --- 14.303968571655439±2.757300397001639 ---
ρ✶
(g/cm3)
3.2499739±0.1829842 --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Livingston et al. 2018 Hirano et al. 2018
a/R✶
14.5+1.9-3.9
13.4+1.5-4.7
S
(S⨁)
--- 57.5±12.9
P
(days)
3.67626+0.00030-0.00031
 3.67635±0.00017
Rp
(R⨁)
1.99+0.21-0.11
2.23+0.37-0.24
Rp
(RJup)
0.178+0.019-0.010
0.199+0.033-0.021
Rp/R✶
0.0288+0.0031-0.0015
0.0315+0.0042-0.0012
a
(au)
0.0405±0.0003 0.0408±0.0012
TC
(days)
2457585.0533+0.0037-0.0035
(BJD)
2457581.37866±0.00202
(BJD)
Teq
(K)
715+9-8
 ---
b
0.44+0.33-0.30
 ---
δ
(%)
0.11 ---
T14
(hours)
1.7 ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Livingston et al. 2018 Hirano et al. 2018
a/R✶
24.9+2.8-5.8
25.3+2.2-5.3
S
(S⨁)
--- 20.5±4.6
P
(days)
7.95486+0.00084-0.00085
 7.95478±0.00063
Rp
(R⨁)
2.07+0.18-0.13
2.10+0.25-0.23
Rp
(RJup)
0.185+0.016-0.012
0.187+0.022-0.021
Rp/R✶
0.0300+0.0025-0.0019
0.0297+0.0019-0.0012
a
(au)
0.0677±0.0005 0.0683±0.0021
TC
(days)
2457584.3376+0.0048-0.0043
(BJD)
2457576.38098±0.00350
(BJD)
Teq
(K)
552±7 ---
b
0.42+0.31-0.27
 ---
δ
(%)
0.11 ---
T14
(hours)
2.1 ---
Print
Known Objects
2 Confirmed Planets
2 K2 Targets
2 2MASS Point Source Catalog
Data Files
2 K2 Time Series
2 Associated Literature Data
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