HD 219666 Overview

HD 219666 1.03 R⦿ 5527.00 K
HD 219666 b
0.437 RJup
Architecture
HD 219666
HD 219666
HD 219666 b
Other Data
Bibliography 10
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
HD 219666 HD 219666 b Transit 2018 Esposito et al. 2019 Confirmed Planet
RA
23h18m14.22s
Dec
-56d54m14.35s
Distance
94.1719+0.2518-0.2506
pc
Parallax
10.5900000±0.0281131 mas
Ecliptic Latitude
-46.82486 deg
Ecliptic Longitude
321.7008 deg
Galactic Latitude
-55.92883 deg
Galactic Longitude
325.60907 deg
Total Proper Motion
314.5657803±0.0388329 mas/yr
Proper Motion (RA)
313.9180000±0.0388128 mas/yr
Proper Motion (Dec)
-20.1772000±0.0434263 mas/yr
Photometry
mV
9.809±0.003
mTESS
9.179±0.006
mJ
8.557±0.020
mH
8.254±0.042
mKs
8.158±0.033
mW1
8.080±0.023
mW2
8.138±0.020
mW3
8.100±0.021
mW4
8.250±0.288
mGaia
9.649560±0.000219
mB
10.596±0.037
Source Murphy et al. 2025 Oddo et al. 2023 TICv8 Esposito et al. 2019 Gaia DR2 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5540±63 5527±65
5527.000+103.188-149.639
5527±65
5493.5+326.5-114.5
5586±187
Metallicity
(dex)
--- 0.04±0.04 [Fe/H] --- 0.04±0.04 [Fe/H] --- ---
Age
(Gyr)
--- 10.0±2.0 --- 10±2 --- ---
M
(M⦿)
1.02±0.10 0.92±0.03
0.97000000+0.15527900-0.08659840
0.92±0.03 --- ---
R
(R⦿)
1.059±0.008 1.03±0.03
1.0516800+0.0651176-0.0447819
1.03±0.03
1.0691907+0.0459909-0.1165975
1.05±0.05
CAII LOG RHK
--- -5.07±0.03 --- --- --- ---
log g
(log10(cm/s2))
--- 4.40±0.11
4.3810700+0.0775376-0.0826475
4.40±0.11 --- 4.367630±0.270247
Sp. T
--- G5 V --- --- --- ---
γ
(km/s)
--- --- --- -20.0976±0.0004 -19.956535824233089±0.307659426052417 ---
v sin i
(km/s)
--- --- --- 2.2±0.8 --- ---
L
(log10(L⦿))
--- ---
-0.03158131+0.01031588-0.00981525
---
-0.02779837+0.00188799-0.00189624
---
ρ
(g/cm3)
--- ---
1.1756781+0.2958365-0.2290347
--- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Murphy et al. 2025 Oddo et al. 2023 Kokori et al. 2023 Patel & Espinoza 2022 Esposito et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
13.25±0.46 21.747±2.023 13.3±0.4
14.56+3.10-1.73
13.27±0.39 ---
Teq
(K)
1076±22 838±40 --- --- 1073±20 788
ω
(deg)
0.0±48.0 --- --- --- --- ---
Mp
(M)
17.6±1.2 --- --- --- 16.6±1.3 ---
Mp
(MJup)
0.055±0.003 --- --- --- 0.0522±0.0041 ---
e
0.05±0.04 --- --- --- 0 ---
i
(deg)
86.42±0.23 88.938±0.505 86.38±0.15 --- 86.38±0.15 ---
P
(days)
6.034468±0.000004 6.04345±0.00001 6.034468±0.000014
6.0357970+0.0003070-0.0000160
6.03607+0.00064-0.00063
6.0344667±0.0000059
Rp
(R)
4.898±0.060 4.24±0.16 --- --- 4.71±0.17 4.440290±0.243975
Rp
(RJup)
0.437±0.006 0.378±0.014 --- --- 0.420±0.015 0.3961368±0.0217660
Rp/R
0.0421±0.0006 0.0376±0.0009 0.0419±0.0008 0.0397±0.0017 0.04192±0.00083 ---
K
(m/s)
6.07±0.32 --- --- --- 6.17±0.46 ---
TC
(days)
2459083.5107±0.0001 2459083.5109±0.0011 2458600.75321±0.00081
2459083.67430+0.03780-0.00190
2458329.1996±0.0012 2460175.7491180±0.0010809
b
--- 0.402±0.193 ---
0.805+0.048-0.104
0.838+0.012-0.013
---
ρ
(g/cm3)
--- --- --- ---
0.87+0.12-0.11
---
a
(au)
--- 0.104±0.005 --- --- 0.06356±0.00265 ---
T14
(hours)
--- 2.028±0.194 --- --- 2.158±0.034 1.890±0.109
S
(S)
--- --- --- --- --- 64.2648
δ
(%)
--- 0.1414±0.0068 --- --- --- 0.18000000±0.00500931
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
Search
Browse
Download