NGTS-18 Overview

NGTS-18 1.39 R⦿ 5610.00 K
NGTS-18 b
1.210 RJup
Architecture
NGTS-18
NGTS-18
NGTS-18 b
Discovery Data
Host Planet Method Year Reference Disposition
NGTS-18 NGTS-18 b Transit 2021 Tilbrook et al. 2021 Confirmed Planet
NGTS-18 b
RA
12h02m11.09s
Dec
-35d32m54.99s
Distance
1096.19+43.11-40.02
pc
Parallax
0.8837230±0.0343196 mas
Ecliptic Latitude
-32.02794 deg
Ecliptic Longitude
196.33063 deg
Galactic Latitude
26.25398 deg
Galactic Longitude
291.77668 deg
Total Proper Motion
2.8374726±0.0366568 mas/yr
Proper Motion (RA)
-2.416460±0.040218 mas/yr
Proper Motion (Dec)
1.4872700±0.0249201 mas/yr
Photometry
mV
14.588±0.126
mTESS
13.9069±0.0060
mJ
13.265±0.030
mH
12.888±0.023
mKs
12.870±0.032
mW1
12.795±0.023
mW2
12.818±0.025
mW3
12.780±0.511
mW4
9.227
mGaia
14.389600±0.000293
mB
15.322±0.046
Source Tilbrook et al. 2021 TICv8
Teff
(K)
5610±150
5726.0+122.0-122.0
Metallicity
(dex)
0.15±0.10 [Fe/H] ---
γ
(km/s)
5.19±0.02 ---
v sin i
(km/s)
<0.5 ---
Age
(Gyr)
10.84+1.28-1.45
---
M
(M⦿)
1.003+0.030-0.025
1.02
R
(R⦿)
1.392±0.209 1.38708
log g
(log10(cm/s2))
4.16±0.07 4.16246
Sp. T
G5 V ---
L
(log10(L⦿))
--- 0.2703040
ρ
(g/cm3)
--- 0.538840
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Tilbrook et al. 2021
a/R
6.97±0.27
Teq
(K)
1381+55-53
b
0.183+0.147-0.115
S
(S)
845.0±270.0
Mp
(M)
130+26-20
Mp
(MJup)
0.409+0.081-0.063
e
0
P
(days)
3.05125+0.00001-0.00001
ρ
(g/cm3)
0.28+0.25-0.12
Rp
(R)
13.6±2.0
Rp
(RJup)
1.21±0.18
Rp/R
0.089±0.001
K
(m/s)
62±5
a
(au)
0.0448±0.0068
T14
(hours)
3.601+0.055-0.047
TC
(days)
2458564.4506±0.0007
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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