K2-155 Overview

K2-155 0.58 R_⦿ 4247.54 K

K2-155 b

0.161 R_Jup

K2-155 c

0.232 R_Jup

K2-155 d

0.170 R_Jup

Overview System Parameters Nearby Data Legend

Architecture: K2-155; K2-155

Other Data: Bibliography 10; Nearby Data 6

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
K2-155	K2-155 b	Transit	2018	Hirano et al. 2018	Confirmed Planet
K2-155	K2-155 c	Transit	2018	Hirano et al. 2018	Confirmed Planet
K2-155	K2-155 d	Transit	2018	Hirano et al. 2018	Confirmed Planet

K2-155 Stellar Parameters (6 Solutions)

RA: 04h21m52.71s

Dec: +21d21m11.75s

Distance: 72.7998+0.2864-0.2841
pc

Parallax: 13.70770±0.05342 mas

Ecliptic Latitude: -.16969 deg

Ecliptic Longitude: 67.24824 deg

Galactic Latitude: -19.71256 deg

Galactic Longitude: 174.74941 deg

Total Proper Motion: 214.7913175±0.1170100 mas/yr

Proper Motion (RA): 200.606000±0.122714 mas/yr

Proper Motion (Dec): -76.762900±0.065976 mas/yr

Photometry: m_V
12.773±0.114; m_TESS
11.4529±0.0060; m_J
10.274±0.024; m_H
9.686±0.022; m_Ks
9.496±0.017; m_Kep
12.656; m_W1
9.435±0.023; m_W2
9.404±0.019; m_W3
9.343±0.041; m_W4
8.317; m_Ic
---; m_Gaia
12.25280±0.00023; m_B
14.073±0.051; m_g
13.732700±0.001875; m_i
11.8768000±0.0005531; m_r
12.4368000±0.0015242; m_u
16.2529000±0.0074004; m_z
13.2620000±0.0178973

Mission: K2 : Observed in Campaign 13

Tools: ExoFOP Target Overview Page; IRSA Finding Chart; TOI; K2 Names; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	TICv8	Gaia DR2	Díez Alonso et al. 2018	Hirano et al. 2018	Luo et al. 2018	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	3893.4700+86.8579-143.8710	4247.545+331.075-145.123	4258±150	3919±70	---	3893.470±115.364
γ (km/s)	---	19.548539920458264±0.823207453500355	19.1±0.5	19.34±0.16	---	---
Metallicity (dex)	-0.831±0.051 [M/H]	---	-0.3±0.2 [Fe/H]	-0.42±0.12 [Fe/H]	---	---
M_✶ (M_⦿)	0.6000000+0.0883657-0.0760975	---	0.65+0.06-0.03	0.540±0.056	---	---
R_✶ (R_⦿)	0.6557660+0.0684271-0.0661407	---	0.58+0.06-0.03	0.526±0.053	---	0.655766010284424±0.067283900000000
log g (log₁₀(cm/s²))	4.5827200+0.0950221-0.1519510	---	4.6±0.3	4.732±0.046	---	4.582720±0.123487
P_rot (days)	---	---	34.8±8.2	---	---	---
L_✶ (log₁₀(L_⦿))	-1.050460+0.057178-0.027793	---	---	-1.2+0.1-0.1	---	---
ρ_✶ (g/cm³)	2.9996451+1.1316648-1.0445093	---	---	5.41±1.11	---	---
Sp. T	---	---	---	---	K7	---

K2-155 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Díez Alonso et al. 2018	Hirano et al. 2018
a/R_✶	18.5+1.1-1.6	20.3+3.2-6.1
b	0.34+0.24-0.23	0.50+0.30-0.33
S (S_⨁)	---	19.9±4.5
P (days)	6.342±0.002	6.34365±0.00028
R_p (R_⨁)	1.8+0.2-0.1	1.55+0.20-0.17
R_p (R_Jup)	0.16+0.02-0.01	0.138+0.018-0.015
R_p/R_✶	0.0261+0.0009-0.0008	0.0271+0.0023-0.0012
a (au)	0.0562+0.0013-0.0014	0.0546±0.0019
T_C (days)	---	2457818.7153±0.0021
T_eq (K)	708+38-31	---
i (deg)	88.3+1.2-1.9	---
δ (%)	0.068+0.005-0.004	---
T₁₄ (hours)	2.410+0.120-0.115	---

K2-155 c Planetary Parameters (4 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; TOI; K2 Names; K2 Planets and Candidates; Transit

Source	Díez Alonso et al. 2018	Kokori et al. 2023	Hirano et al. 2018	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	27.0+2.2-4.2	30.0+6.2-9.8	30.0+6.2-9.8	---
b	0.45+0.37-0.31	---	0.57+0.27-0.39	---
S (S_⨁)	---	---	7.0±1.6	9.75772233567311
P (days)	13.850±0.006	13.853487±0.000016	13.85402±0.00088	13.8515158118583±0.0026632220000
R_p (R_⨁)	2.6+0.7-0.2	---	1.95+0.27-0.22	2.36531783418092±1.32983570000000
R_p (R_Jup)	0.23+0.06-0.02	---	0.174+0.024-0.020	0.211019886418479±0.118640198925492
R_p/R_✶	0.0321+0.0016-0.0010	0.0339±0.0031	0.0339+0.0031-0.0016	---
a (au)	0.0946+0.0031-0.0030	---	0.0920±0.0032	---
T_C (days)	---	2457994.66467±0.00056	2457814.5643±0.0025	2459476.99484000±0.00492649
i (deg)	88.96+0.71-0.88	88.9±0.8	---	---
T_eq (K)	583+52-35	---	---	450.771929187299
δ (%)	0.103+0.010-0.006	---	---	0.12495248920559±0.01523588600000
T₁₄ (hours)	3.528+0.312-0.624	---	---	3.21327955309991±0.79074126000000

K2-155 d Planetary Parameters (2 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Díez Alonso et al. 2018	Hirano et al. 2018
a/R_✶	63.3+6.4-13.0	73.5+8.4-15.9
b	0.44+0.33-0.30	0.41+0.30-0.28
S (S_⨁)	---	1.67±0.38
P (days)	40.718±0.005	40.6835±0.0031
R_p (R_⨁)	1.9+0.7-0.2	1.64+0.18-0.17
R_p (R_Jup)	0.17+0.06-0.02	0.146+0.016-0.015
R_p/R_✶	0.0273+0.0021-0.0015	0.0286+0.0015-0.0010
a (au)	0.1937+0.0064-0.0059	0.1886±0.0066
T_C (days)	---	2457782.8324±0.0048
T_eq (K)	381+47-25	---
i (deg)	89.61+0.27-0.48	---
δ (%)	0.074+0.012-0.008	---
T₁₄ (hours)	4.464+0.233-0.043	---

Nearby Data (6 Data Types within 30 arcseconds)

Known Objects: 3 Confirmed Planets; 1 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 1 SuperWASP Time Series; 1 K2 Time Series; 3 Associated Literature Data

Bibliography (10 References)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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