NGTS-4 Overview

NGTS-4 0.86 R⦿ 5086.00 K
NGTS-4 b
0.284 RJup

NGTS-4 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
NGTS-4
NGTS-4 b 1.34 d 3.18 R Transit 2019 West et al. 2019 Confirmed Planet
RA
05h58m23.73s
Dec
-30d48m42.48s
Distance
280.555+1.822-1.799
pc
Parallax
3.5355800±0.0228266 mas
Ecliptic Latitude
-54.25026 deg
Ecliptic Longitude
89.4065 deg
Galactic Latitude
-24.13546 deg
Galactic Longitude
236.57905 deg
Total Proper Motion
18.4202280±0.0350749 mas/yr
Proper Motion (RA)
-16.8811000±0.0348444 mas/yr
Proper Motion (Dec)
-7.37111±0.03626 mas/yr
Photometry
mV
13.138±0.046
mTESS
12.3686±0.0061
mJ
11.584±0.022
mH
11.139±0.023
mKs
11.073±0.022
mW1
11.029±0.023
mW2
11.092±0.021
mW3
10.983±0.105
mW4
8.759
mGaia
12.909200±0.000236
mB
13.953±0.045
Source Lafarga et al. 2026 TICv8 West et al. 2019 Gaia DR2 ExoFOP
Teff
(K)
5343.4775
5111.920+109.822-133.890
5143±100
5086.0+65.0-136.5
5111.9±121.9
L
(log10(L⦿))
---
-0.3417140+0.0123784-0.0140983
---
-0.35330468+0.00559333-0.00566632
---
γ
(km/s)
--- --- 111.2±0.2 110.48601017744119±5.48033206599279 ---
R
(R⦿)
0.860256
0.8602560+0.0592814-0.0423266
0.84±0.01
0.8575266+0.0479326-0.0215056
0.860256016254425±0.050804000000000
Metallicity
(dex)
--- -0.1889570±0.0741647 [M/H] -0.28±0.10 [M/H] --- ---
v sin i
(km/s)
--- --- 2.75±0.58 --- ---
ρ
(g/cm3)
1.32778435362508+0.78170910507651-0.88815835713346
1.9022927+0.4619409-0.4620029
1.91±0.16 --- ---
M
(M⦿)
---
0.8590000+0.0989275-0.1061620
0.75±0.02 --- ---
log g
(log10(cm/s2))
4.5914
4.5028100+0.0738598-0.0958383
4.5±0.1 --- 4.50±0.08
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source West et al. 2019 Lafarga et al. 2026 Patel & Espinoza 2022 ExoFOP
a/R
4.79±1.21
5.0071536489951791+0.8355027425593651-1.5431710140153003
5.69+0.45-1.01
---
Teq
(K)
1650±400 --- --- 1391.87011338494
ω
(deg)
0 --- --- ---
Mp
(M)
20.6±3.0 --- --- ---
Mp
(MJup)
0.0648±0.0094 --- --- ---
e
0 --- --- ---
i
(deg)
82.5±5.8
84.10154314700578+4.15169326131770-7.86317208249204
--- ---
P
(days)
1.3373508±0.0000080
1.337345651063606+0.000007301694159-0.000007536969594
1.3373505+0.0000067-0.0000068
1.3372349230815±0.0001162055600
ρ
(g/cm3)
3.45±0.95 --- --- ---
Rp
(R)
3.18±0.26
3.186409223185545+0.381095071204414-0.296975808918218
--- 3.02657864201736±3.73057960000000
Rp
(RJup)
0.284±0.023
0.2842728797976737+0.0339990835388283-0.0264944526952588
--- 0.270013725870485±0.332820592687790
Rp/R
0.035±0.003
0.0338133015414235+0.0034713374314697-0.0023113300153841
0.0341+0.0017-0.0018
---
K
(m/s)
13.7±1.9 --- --- ---
a
(au)
0.019±0.005 --- --- ---
T14
(hours)
1.80±0.10
1.8365053341817248+0.1674889885384968-0.1160232925774944
--- 1.70260976467707±0.62734777000000
TC
(days)
2457607.9975±0.0034
(BJD-TDB)
2459212.81590160+0.00192327-0.00183113
(BJD)
2459227.52707+0.00111-0.00098
(BJD)
2459175.37255300±0.00252949
(BJD)
b
---
0.5216514046899133+0.3041889144950764-0.3423729428279003
0.350+0.280-0.210
---
S
(S)
--- --- --- 886.984111333286
δ
(%)
--- --- --- 0.122667605562449±0.012575308000000
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
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