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TOI-5789 Overview

TOI-5789 0.83 R⦿ 5140.00 K
TOI-5789 b
TOI-5789 c
0.255 RJup
TOI-5789 d
TOI-5789 e

TOI-5789 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-5789
TOI-5789 b 2.76 d > 2.12 M⨁ Radial Velocity 2026 Bonomo et al. 2026 Confirmed Planet
TOI-5789 c 12.93 d 2.86 R⨁ Transit 2026 Bonomo et al. 2026 Confirmed Planet
TOI-5789 d 29.65 d > 4.29 M⨁ Radial Velocity 2026 Bonomo et al. 2026 Confirmed Planet
TOI-5789 e 62.98 d > 11.61 M⨁ Radial Velocity 2026 Bonomo et al. 2026 Confirmed Planet
TOI-5789
  • Some stellar parameter values may be biased due to companion blend (WDS Catalog)
RA
20h11m05.63s
Dec
+16d11m22.97s
Distance
20.4581+0.0379-0.0378
pc
Parallax
48.8517000±0.0896973 mas
Ecliptic Latitude
35.24021 deg
Ecliptic Longitude
309.52718 deg
Galactic Latitude
-9.43797 deg
Galactic Longitude
56.68214 deg
Total Proper Motion
575.093508±0.273186 mas/yr
Proper Motion (RA)
-414.664000±0.260774 mas/yr
Proper Motion (Dec)
398.480000±0.286019 mas/yr
Photometry
mV
7.35063±0.02300
mTESS
6.5715±0.0060
mJ
5.826±0.030
mH
5.421±0.021
mKs
5.350±0.024
mGaia
7.099990±0.000148
mB
8.155±0.017
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Bonomo et al. 2026 TICv8 Turnbull 2015 Takeda et al. 2007 Valenti & Fischer 2005 Wright et al. 2004 Gray et al. 2003 Nidever et al. 2002 Cannon & Pickering 1918 ExoFOP
S Index
--- --- --- --- --- 0.165±0.021 --- --- --- ---
CAII LOG RHK
-5.153±0.003 --- --- --- --- -5.03 --- --- --- ---
Teff
(K)
5185±80
5132.000+101.982-106.051
 5140 --- --- --- --- --- --- 5132±104
L✶
(log10(L⦿))
-0.329+0.015-0.016
-0.3146654+0.0103868-0.0087806
-0.301 +0.041-0.046
--- --- --- --- --- --- ---
Metallicity
(dex)
-0.12±0.08 [Fe/H] -0.040±0.100 [M/H] -0.15 [Fe/H] --- --- --- --- --- --- ---
Age
(Gyr)
9.40+2.00-3.50
 --- 9.5 >11.52 --- --- --- --- --- ---
M✶
(M⦿)
0.821+0.032-0.027
0.870000+0.114402-0.100034
 0.82
0.815+0.016-0.008
 --- --- --- --- --- ---
R✶
(R⦿)
0.833±0.023
0.8805350+0.0465186-0.0423256
 0.83 0.83±0.02 --- --- --- --- --- 0.88±0.04
log g
(log10(cm/s2))
4.511+0.026-0.024
4.4880900+0.0973780-0.0568732
 4.52
4.52+0.02-0.01
 --- --- --- --- --- 4.49±0.08
Sp. T
K1 V --- K1V --- --- --- K0 V --- K0 ---
γ
(km/s)
-49.31560±0.00011 --- --- --- -49.0 --- --- -49.3 --- ---
v sin i
(km/s)
--- --- --- --- 1.2±0.5 --- --- --- --- ---
ρ✶
(g/cm3)
2.00+0.17-0.15
1.796570+0.450441-0.314039
 --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Bonomo et al. 2026
Teq
(K)
1201±26
Mp sin i
(M⨁)
2.12±0.28
Mp sin i
(MJup)
0.00667±0.00088
e
0
P
(days)
2.76369±0.00096
K
(m/s)
1.10±0.14
a
(au)
0.03608±0.00045
TC
(days)
2460358.054±0.062
(BJD-TDB)
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Bonomo et al. 2026 ExoFOP
Teq
(K)
718±15 478
S
(S⨁)
--- 8.71939
P
(days)
12.927748±0.000016 12.9256051±0.0023249
Rp
(R⨁)
2.86+0.18-0.15
 2.53704±0.14658
Rp
(RJup)
0.255+0.016-0.013
 0.226340±0.013077
δ
(%)
--- 0.0790000000±0.0000544021
T14
(hours)
2.019±0.050 1.691±0.136
TC
(days)
2460151.15868±0.00049
(BJD-TDB)
2459776.2559820±0.0018004
(BJD)
b
0.903±0.015 ---
Mp
(M⨁)
5.00±0.50 ---
Mp
(MJup)
0.0157±0.0016 ---
e
<0.067 ---
i
(deg)
88.02±0.13 ---
ρ
(g/cm3)
1.16±0.23 ---
Rp/R✶
0.0314+0.0018-0.0013
 ---
K
(m/s)
1.56±0.15 ---
a
(au)
0.1009±0.0013 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Bonomo et al. 2026
Teq
(K)
545±10
Mp sin i
(M⨁)
4.29±0.68
Mp sin i
(MJup)
0.0135±0.0021
e
<0.096
P
(days)
29.65±0.12
K
(m/s)
1.01±0.16
a
(au)
0.1756±0.0023
TC
(days)
2460347.48±0.99
(BJD-TDB)
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Bonomo et al. 2026
Teq
(K)
424±8
Mp sin i
(M⨁)
11.61±0.97
Mp sin i
(MJup)
0.03653±0.00305
e
<0.071
P
(days)
62.98±0.22
K
(m/s)
2.13±0.17
a
(au)
0.2901±0.0037
TC
(days)
2460359.05±1.17
(BJD-TDB)
Print
Literature Stellar Spectra (3 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Spectra     Infrared Lawler et al. 2009
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     96 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
4 Confirmed Planets
7 2MASS Point Source Catalog
Data Files
4 Associated Literature Data
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  • Controversial
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  • Kepler | K2
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