NGTS-21 Overview

NGTS-21 0.83 R⦿ 4650.00 K
NGTS-21 b
1.330 RJup
Architecture
NGTS-21
NGTS-21
NGTS-21 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
NGTS-21 NGTS-21 b 1.54 d 14.91 R Transit 2022 Alves et al. 2022 Confirmed Planet
RA
20h45m01.99s
Dec
-35d25m40.23s
Distance
592.891+15.995-15.190
pc
Parallax
1.6593700±0.0439847 mas
Ecliptic Latitude
-16.7492 deg
Ecliptic Longitude
304.13228 deg
Galactic Latitude
-37.53419 deg
Galactic Longitude
7.6079 deg
Total Proper Motion
15.4860419±0.0619077 mas/yr
Proper Motion (RA)
-13.3874000±0.0645465 mas/yr
Proper Motion (Dec)
-7.7842800±0.0533444 mas/yr
Photometry
mV
15.506±0.103
mTESS
14.5499±0.0060
mJ
13.622±0.027
mH
13.105±0.028
mKs
12.951±0.029
mW1
12.898±0.024
mW2
12.969±0.027
mW3
12.485±0.515
mW4
9.0
mGaia
15.224000±0.000406
mB
16.634±0.092
Source Alves et al. 2022 TICv8 ExoFOP Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
4660±41 4650.0±122.0 4650±122
L
(log10(L⦿))
--- -0.5385385 ---
ρ
(g/cm3)
1.62±0.10 1.83217 ---
M
(M⦿)
0.72±0.04 0.74 ---
R
(R⦿)
0.86±0.04 0.828853 0.8288530111312866
log g
(log10(cm/s2))
4.63±0.34 4.47034 4.47034
Metallicity
(dex)
-0.26±0.07 [Fe/H] --- ---
γ
(km/s)
13.75±0.02 --- ---
Age
(Gyr)
10.02+3.29-7.30
--- ---
Sp. T
K3 V --- ---
Prot
(days)
17.89±0.08 --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Alves et al. 2022 ExoFOP Show Candidate Solutions >> << Hide Candidate Solutions
a/R
5.89±0.12 ---
Teq
(K)
1357±15 1214.5650469093016
b
0.63±0.03 ---
ω
(deg)
90 ---
Mp
(M)
750±67 ---
Mp
(MJup)
2.36±0.21 ---
e
0 ---
i
(deg)
83.85±0.44 ---
P
(days)
1.5433897±0.0000016 1.5435057410809994±0.0001966337000000
ρ
(g/cm3)
1.25±0.15 ---
Rp
(R)
14.9±0.3 13.032116083046327±0.930017300000000
Rp
(RJup)
1.33±0.03 1.1626495246839286±0.0829707289976867
Rp/R
0.159±0.003 ---
K
(m/s)
506±37 ---
a
(au)
0.0236±0.0005 ---
T14
(hours)
1.95±0.03 1.9863723329551066±0.1361250400000000
TC
(days)
2458228.77853±0.00067
(BJD-TDB)
2460883.40727500±0.00169441
(BJD)
S
(S)
--- 514.2853067554806
δ
(%)
--- 2.54656222993293±0.12604100000000
Known Objects
1 Confirmed Planets
2 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