HD 108236 Overview

HD 108236 0.91 R_⦿ 5603.45 K

HD 108236 b

0.144 R_Jup

HD 108236 c

0.185 R_Jup

HD 108236 d

0.227 R_Jup

HD 108236 e

0.275 R_Jup

HD 108236 f

0.180 R_Jup

Overview Notes System Parameters Ancillary Nearby Data Legend

Architecture: HD 108236; HD 108236

Other Data: Bibliography 13; Exoplanet Archive Notes 4; Nearby Data 5

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
HD 108236	HD 108236 b	Transit	2020	Daylan et al. 2020	Confirmed Planet
HD 108236	HD 108236 c	Transit	2020	Daylan et al. 2020	Confirmed Planet
HD 108236	HD 108236 d	Transit	2020	Daylan et al. 2020	Confirmed Planet
HD 108236	HD 108236 e	Transit	2020	Daylan et al. 2020	Confirmed Planet
HD 108236	HD 108236 f	Transit	2021	Bonfanti et al. 2021	Confirmed Planet

Exoplanet Archive Notes (4)

HD 108236 b

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Daylan et al. 2020)

HD 108236 c

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Daylan et al. 2020)

HD 108236 d

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Daylan et al. 2020)

HD 108236 e

Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Daylan et al. 2020)

HD 108236 Stellar Parameters (11 Solutions)

RA: 12h26m17.78s

Dec: -51d21m46.99s

Distance: 64.5978+0.1943-0.1932
pc

Parallax: 15.4517000±0.0460761 mas

Ecliptic Latitude: -43.48993 deg

Ecliptic Longitude: 211.2434 deg

Galactic Latitude: 11.31345 deg

Galactic Longitude: 298.93443 deg

Total Proper Motion: 86.2990183±0.0518108 mas/yr

Proper Motion (RA): -70.4341000±0.0558735 mas/yr

Proper Motion (Dec): -49.8654000±0.0425621 mas/yr

Photometry: m_V
9.25±0.03; m_TESS
8.6522±0.0060; m_J
8.046±0.024; m_H
7.703±0.029; m_Ks
7.637±0.031; m_W1
7.613±0.029; m_W2
7.673±0.021; m_W3
7.638±0.017; m_W4
7.510±0.098; m_Gaia
9.087450±0.000157; m_B
9.894±0.030

Tools: IRSA Finding Chart; TOI

Source	Bonfanti et al. 2021	Daylan et al. 2020	TICv8	Gaia DR2	Nordstrom et al. 2004	Michigan Catalog, Vol. 2	Cannon & Pickering 1918	ExoFOP-TESS TOI	ExoFOP-TESS TOI	ExoFOP-TESS TOI	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	5660±61	5730±50	5723.8700+92.5764-128.5040	5603.45+87.85-116.55	---	---	---	5723.870117±49.567001	5723.870117±49.567001	5723.870117±49.567001	5723.870117±49.567001
L_✶ (log₁₀(L_⦿))	-0.150+0.028-0.030	---	-0.1413446+0.0114180-0.0113428	-0.135585+0.001816-0.001823	---	---	---	---	---	---	---
γ (km/s)	---	---	---	16.777588587700±0.217464594923	16.3±0.2	---	---	---	---	---	---
R_✶ (R_⦿)	0.877±0.008	0.888±0.017	0.8641730+0.0437719-0.0334141	0.907714+0.038972-0.027806	---	---	---	0.900854±0.156309	0.900854±0.156309	0.900854±0.156309	0.900854±0.156309
Metallicity (dex)	-0.28±0.04 [Fe/H]	-0.3±0.5 [Fe/H]	---	---	---	---	---	---	---	---	---
v sin i (km/s)	---	<4.7	---	---	2	---	---	---	---	---	---
ρ_✶ (g/cm³)	1.82±0.12	1.94±0.16	2.2282446+0.5422502-0.3286150	---	---	---	---	---	---	---	---
M_✶ (M_⦿)	0.869+0.050-0.048	0.970±0.060	1.0200000+0.1626590-0.0879695	---	---	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.49±0.11	4.5±0.5	4.5734700+0.0758239-0.0684563	---	---	---	---	4.438	4.438	4.438	4.438
Sp. T	---	G3 V	---	---	---	G5 V	G5	---	---	---	---
Age (Gyr)	6.70+4.00-5.10	---	---	---	---	---	---	---	---	---	---

HD 108236 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service

Source	Bonfanti et al. 2021	Daylan et al. 2020	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
P (days)	3.795963+0.000025-0.000034	3.79523+0.00047-0.00044	3.795304±0.000381
R_p (R_⨁)	1.615±0.051	1.586±0.098	1.671342±1.359314
δ (%)	0.0285±0.0017	---	0.0321974854±0.0034302078
T₁₄ (hours)	2.384±0.093	2.30+0.16-0.11	2.312993±0.435173
T_C (days)	2458773.2964±0.0013	2458572.1128+0.0031-0.0036	2458572.111694±0.002823
b	0.452+0.071-0.096	0.38±0.24	---
ω (deg)	126+51-62	190±140	---
e	0.045+0.039-0.033	0.20+0.30-0.14	---
i (deg)	87.59+0.47-0.35	87.88+1.30-0.87	---
R_p (R_Jup)	0.1441±0.0045	0.1415±0.0087	---
a (au)	0.04527+0.00096-0.00088	0.0469±0.0017	---
a/R_✶	---	11.35±0.34	---
T_eq (K)	---	1099+19-18	---
R_p/R_✶	---	0.01638±0.00095	---

HD 108236 c Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service

Source	Bonfanti et al. 2021	Daylan et al. 2020	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eq (K)	---	932+17-16	766.092712
S (S_⨁)	---	---	81.404114
P (days)	6.203449+0.000049-0.000046	6.20370+0.00064-0.00052	6.203183±0.000652
R_p (R_⨁)	2.071±0.052	2.068+0.100-0.091	2.323731±0.428696
δ (%)	0.0469+0.0021-0.0022	---	0.0481474640±0.0036695312
T₁₄ (hours)	2.86+0.10-0.11	2.913±0.095	3.102675±0.208869
T_C (days)	2458770.90586±0.00078	2458572.3949+0.0025-0.0020	2458572.398315±0.003184
b	0.455+0.069-0.083	0.33+0.25-0.21	---
ω (deg)	211+44-110	210±120	---
e	0.034+0.042-0.025	0.18+0.34-0.14	---
i (deg)	88.30+0.29-0.23	88.72+0.82-0.74	---
R_p (R_Jup)	0.1848±0.0046	0.1845+0.0089-0.0081	---
a (au)	0.0620±0.0012	0.0651±0.0024	---
a/R_✶	---	15.78±0.49	---
R_p/R_✶	---	0.02134+0.00094-0.00083	---

HD 108236 d Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service

Source	Bonfanti et al. 2021	Daylan et al. 2020	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eq (K)	---	708+13-12	732.835999
S (S_⨁)	---	---	68.162918
P (days)	14.175685+0.000083-0.000100	14.17555+0.00099-0.00110	14.175671±0.000956
R_p (R_⨁)	2.539+0.062-0.065	2.72±0.11	2.766928±0.775311
δ (%)	0.0705+0.0031-0.0034	---	0.0917111206±0.0053145321
T₁₄ (hours)	3.85+0.18-0.13	3.734+0.066-0.049	3.774857±0.269953
T_C (days)	2458769.79682±0.00090	2458571.3368+0.0015-0.0013	2458571.335571±0.001771
b	0.423+0.070-0.130	0.35+0.19-0.21	---
ω (deg)	151+46-33	190+140-130	---
e	0.055+0.038-0.035	0.17+0.30-0.12	---
i (deg)	89.06+0.27-0.14	89.22+0.45-0.38	---
R_p (R_Jup)	0.2265+0.0055-0.0058	0.2423±0.0097	---
a (au)	0.1074±0.0023	0.1131±0.0040	---
a/R_✶	---	27.39+0.78-0.82	---
R_p/R_✶	---	0.02805±0.00095	---

HD 108236 e Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service

Source	Bonfanti et al. 2021	Daylan et al. 2020	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	---	33.9+1.0-1.1	---
T_eq (K)	---	636+12-11	706.030457
b	0.426+0.059-0.077	0.36+0.20-0.23	---
ω (deg)	128+37-54	170+150-130	---
e	0.058+0.032-0.036	0.20+0.30-0.13	---
i (deg)	89.245+0.120-0.086	89.32+0.42-0.30	---
P (days)	19.590025+0.000083-0.000089	19.5917+0.0022-0.0020	19.593409±0.002461
R_p (R_⨁)	3.083±0.052	3.12+0.13-0.12	3.278464±0.638922
R_p (R_Jup)	0.2750±0.0046	0.279+0.012-0.011	---
R_p/R_✶	---	0.0323+0.0012-0.0011	---
a (au)	0.1367+0.0022-0.0020	0.1400±0.0052	---
T₁₄ (hours)	4.20±0.13	4.013+0.080-0.057	4.097541±0.182519
T_C (days)	2458782.46935+0.00078-0.00069	2458586.5677±0.0014	2458586.566895±0.001802
δ (%)	0.1038+0.0030-0.0028	---	0.1214447632±0.0069596497
S (S_⨁)	---	---	58.723877

HD 108236 f Planetary Parameters (1 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service

Source	Bonfanti et al. 2021
b	0.808±0.022
ω (deg)	275+45-63
e	0.051+0.036-0.034
i (deg)	88.963±0.042
P (days)	29.54115+0.00033-0.00042
R_p (R_⨁)	2.017+0.052-0.057
R_p (R_Jup)	0.1799+0.0046-0.0051
a (au)	0.1758+0.0041-0.0038
δ (%)	0.0445+0.0021-0.0024
T₁₄ (hours)	3.27+0.13-0.15
T_C (days)	2458793.2786+0.0021-0.0019

Ancillary Information (1 Unique File)

+ HD 108236 (1 File Type, 1 File)

Literature Time Series (1 File Type, 1 File)

File Type	Data Points	Filter	Reference
Photometric Light Curve	228	Hp (Hipparcos)	Hipparcos and Tycho Catalogs

Nearby Data (5 Data Types within 30 arcseconds)

Known Objects: 5 Confirmed Planets; 5 2MASS Point Source Catalog

Data Files: 4 KELT Time Series; 1 SuperWASP Time Series; 5 Associated Literature Data

Bibliography (13 References)

System

Star

Confirmed

Candidate

Refuted

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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