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TOI-198 Overview

TOI-198 0.42 R⦿ 3783.00 K
TOI-198 b
0.121 RJup

TOI-198 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-198
TOI-198 b 10.22 d 1.36 R⨁ Transit 2023 Oddo et al. 2023 Confirmed Planet
RA
00h09m05.16s
Dec
-27d07m18.28s
Distance
23.72620±0.02655 pc
Parallax
42.118500±0.046758 mas
Ecliptic Latitude
-25.6134 deg
Ecliptic Longitude
350.48677 deg
Galactic Latitude
-80.57935 deg
Galactic Longitude
30.55222 deg
Total Proper Motion
698.099239±0.104088 mas/yr
Proper Motion (RA)
692.255000±0.104616 mas/yr
Proper Motion (Dec)
90.1419000±0.0658907 mas/yr
Photometry
mV
11.688±0.014
mTESS
9.9280100±0.0072583
mJ
8.655±0.024
mH
8.143±0.026
mKs
7.856±0.021
mIc
9.770±0.010
mGaia
10.918700±0.000655
mB
13.198±0.019
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Zapatero Osorio et al. 2026 Oddo et al. 2023 TICv8 Turnbull 2015 Gray et al. 2006 Hawley et al. 1996 ExoFOP
Teff
(K)
3801±100 3650±75 3782.0±157.0 3783 --- --- 3763±65
L✶
(log10(L⦿))
-1.484±0.013 ---
-1.43315+0.08872-0.11162
-1.523 +0.845-0.699
--- --- ---
M✶
(M⦿)
0.417±0.045 0.467±0.023 0.4437000±0.0202915 0.41 --- --- ---
R✶
(R⦿)
0.418±0.029 0.441±0.019 0.4473360±0.0133167 0.42 --- --- 0.44733598828315735±0.01331670000000000
Sp. T
--- M0 V --- --- M0 V M0 ---
ρ✶
(g/cm3)
--- --- 6.988016±0.304641 --- --- --- ---
log g
(log10(cm/s2))
4.81±0.10 4.75±0.25 4.7838900±0.0059894 --- --- --- 4.837390±0.119367
Metallicity
(dex)
-0.66±0.10 [Fe/H] -0.70±0.50 [Fe/H] --- --- --- --- ---
Age
(Gyr)
>1 5.3±1.0 --- --- --- --- ---
CAII LOG RHK
-5.355±0.054 -5.05±0.08 --- --- --- --- ---
Prot
(days)
48.5±1.0 45.4±5.3 --- --- --- --- ---
γ
(km/s)
19.70±0.18 --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Zapatero Osorio et al. 2026 Oddo et al. 2023 ExoFOP
Teq
(K)
456+34-27
 368±26 420.93091857638245
S
(S⨁)
7.2+2.4-1.4
 --- 7.419323539762103
P
(days)
10.215213+0.000011-0.000010
 10.21520±0.00006 10.21520251255381±0.00002290381800
Rp
(R⨁)
1.36±0.13 1.44±0.08 1.4000950608269125±1.3352056000000001
Rp
(RJup)
0.121±0.012 0.128±0.007 0.12490833005242953±0.11911927014023677
δ
(%)
0.08929+0.00528-0.00470
 0.0894±0.0064 0.0960547568217517±0.0077576220000000
T14
(hours)
2.26+0.19-0.18
 1.631±0.155 2.347621859753776±0.719270650000000
TC
(days)
--- 2459480.0480±0.0004
(BJD)
2458356.37186400±0.00187015
(BJD)
a/R✶
34.69+0.98-1.93
 49.086±3.003 ---
b
0.22+0.17-0.15
 0.094±0.086 ---
i
(deg)
89.63+0.24-0.32
 89.890±0.102 ---
Rp/R✶
0.02988+0.00087-0.00080
 0.0299±0.0022 ---
a
(au)
0.0675+0.0067-0.0082
 0.100±0.006 ---
Tp
(days)
2458356.37313±0.00089
(JD)
--- ---
ω
(deg)
90 --- ---
Mp
(M⨁)
3.17+0.64-0.65
 --- ---
Mp
(MJup)
0.00997+0.00201-0.00205
 --- ---
e
<0.15 --- ---
ρ
(g/cm3)
6.890+4.270-2.780
 --- ---
K
(m/s)
1.673+0.207-0.240
 --- ---
Print
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     116 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 SuperWASP Time Series
1 Associated Literature Data
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  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
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