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L 98-59 Overview

L 98-59 0.31 R⦿ 3469.00 K
L 98-59 b
0.076 RJup
L 98-59 c
0.124 RJup
L 98-59 d
0.136 RJup
L 98-59 e
L 98-59 f
Architecture
L 98-59
L 98-59
L 98-59 b
L 98-59 c
L 98-59 d
L 98-59 e
L 98-59 f
Other Data
Bibliography 12
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
L 98-59 L 98-59 b Transit 2019 Kostov et al. 2019 Confirmed Planet
L 98-59 L 98-59 c Transit 2019 Kostov et al. 2019 Confirmed Planet
L 98-59 L 98-59 d Transit 2019 Kostov et al. 2019 Confirmed Planet
L 98-59 L 98-59 e Radial Velocity 2021 Demangeon et al. 2021 Confirmed Planet
L 98-59 L 98-59 f Radial Velocity 2025 Cadieux et al. 2025 Confirmed Planet
RA
08h18m07.89s
Dec
-68d18m52.08s
Distance
10.6194±0.0032 pc
Parallax
94.1385000±0.0280547 mas
Ecliptic Latitude
-76.81365 deg
Ecliptic Longitude
203.32553 deg
Galactic Latitude
-17.5933 deg
Galactic Longitude
281.81705 deg
Total Proper Motion
353.4129312±0.0521271 mas/yr
Proper Motion (RA)
94.7675000±0.0536201 mas/yr
Proper Motion (Dec)
-340.4700000±0.0520096 mas/yr
Photometry
mV
11.685±0.017
mTESS
9.412420±0.007282
mJ
7.933±0.027
mH
7.359±0.049
mKs
7.101±0.018
mW1
6.935±0.062
mW2
6.767±0.021
mW3
6.703±0.016
mW4
6.578±0.047
mGaia
10.597600±0.000765
mB
13.218±0.311
mg
12.453±0.019
mr
11.065±0.044
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Cadieux et al. 2025 Rajpaul et al. 2024 Demangeon et al. 2021 TICv8 Cloutier et al. 2019 Kostov et al. 2019 Gaia DR2 ExoFOP-TESS TOI ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3415±60 --- 3415±135 3429.0±157.0 3412±49 3367±150
3786.0+244.8-222.5
 3469±68 3469±68 3469±68
R✶
(R⦿)
0.3155±0.0062 ---
0.303+0.026-0.023
 0.3141600±0.0093238 0.314±0.014 0.312±0.014 --- 0.31±0.01 0.31±0.01 0.31415998935699463±0.00932381000000000
log g
(log10(cm/s2))
4.91±0.02 --- 4.86±0.13 4.9103900±0.0041422 4.94±0.06 --- --- 4.940100±0.058929 4.940100±0.058929 4.940100±0.058929
L✶
(log10(L⦿))
-1.91+0.03-0.04
 ---
-1.948+0.016-0.016
-1.91034+0.09475-0.12136
 ---
-1.95+0.02-0.02
 --- --- --- ---
Metallicity
(dex)
-0.46±0.26 [Fe/H] --- -0.46±0.26 [Fe/H] --- -0.5±0.5 [Fe/H] -0.5±0.5 [Fe/H] --- --- --- ---
γ
(km/s)
--- ---
-5.57851+0.00072-0.00069
 --- -5.6784±0.0002 -5.8±0.1 --- --- --- ---
Age
(Gyr)
4.94±0.28 --- >0.800 --- --- >1 --- --- --- ---
ρ✶
(g/cm3)
13.0+1.1-0.9
 ---
12.90+2.54-1.97
 13.3148789±0.2680249 ---
15.8+2.6-2.7
 --- --- --- ---
M✶
(M⦿)
0.2923±0.0067 --- 0.273±0.030 0.2928360±0.0201481 0.312±0.031 0.313±0.014 --- --- --- ---
Sp. T
M3 V --- M3 V --- M3 V M3 V --- --- --- ---
Prot
(days)
77.5±1.6 58±20
80.9+5.0-5.3
 --- 78±13 --- --- --- --- ---
v sin i
(km/s)
--- --- --- --- --- 0.0±1.9 --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Demangeon et al. 2021 Cadieux et al. 2025 Rajpaul et al. 2024 Kokori et al. 2023 Cloutier et al. 2019 Kostov et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
627+33-36
 620±13 --- --- 610±13 --- 567.3025212913068
S
(S⨁)
24.7+5.0-4.1
 24.5±2.5 --- --- ---
23.9+5.3-4.4
 24.478221291489
P
(days)
2.2531136+0.0000012-0.0000015
 2.2531140±0.0000004 --- 2.2531154±0.0000017 2.2531±0.0004 2.25314±0.00002 2.253106161749305±0.000001986907600
Rp
(R⨁)
0.850+0.061-0.047
 0.837±0.019 --- --- 0.80±0.05 0.80±0.05 0.8266350041824014±0.3891579500000000
Rp
(RJup)
0.0758+0.0054-0.0042
 0.0747±0.0017 --- --- 0.071±0.004 0.071±0.004 0.07374756245074109±0.03471840664334448
δ
(%)
--- 0.0589±0.0014 --- --- --- --- 0.0682397272338784±0.0022426283000000
T14
(hours)
0.9920+0.0900-0.0320
 1.01±0.03 --- --- ---
1.02+0.17-0.13
 0.9939836545373176±0.1254568200000000
TC
(days)
2458366.17067+0.00036-0.00033
 2458366.17056±0.00024 --- 2458828.05812±0.00024 2458366.1708±0.0001
2458366.1701+0.0006-0.0007
 2458354.90723700±0.00023327
Mp
(M⨁)
0.40+0.16-0.15
 0.46±0.11
0.47+0.13-0.15
 --- <1.01 --- ---
Mp
(MJup)
0.0013+0.0005-0.0005
 0.0014±0.0003
0.0015+0.0004-0.0005
 --- <0.00318 --- ---
e
0.103+0.117-0.045
0.031+0.017-0.016
0.167+0.034-0.160
0.103+0.117-0.045
 <0.12
0.10+0.17-0.07
 ---
ρ
(g/cm3)
3.6+1.4-1.5
4.3+1.1-1.0
4.3+1.2-1.9
 --- <12.7 --- ---
K
(m/s)
0.46+0.20-0.17
 --- 0.56±0.16 --- <1.06 --- ---
a
(au)
0.02191+0.00080-0.00084
 0.0223±0.0007 --- --- 0.02282±0.00008 0.0233±0.0017 ---
a/R✶
15.0+1.4-1.0
 --- ---
15.0+1.4-1.0
 ---
16.2+0.8-1.0
 ---
b
0.53+0.14-0.22
0.51+0.04-0.05
 --- --- ---
0.36+0.19-0.23
 ---
ω
(deg)
192+70-155
 --- ---
192.0+70.0-155.0
 ---
17.20+120.30-143.20
 ---
i
(deg)
87.71+1.16-0.44
88.08+0.23-0.20
 ---
87.71+1.16-0.44
 ---
88.7+0.8-0.7
 ---
Rp/R✶
0.02512+0.00072-0.00064
 --- --- 0.02512±0.00072 ---
0.0234+0.0009-0.0008
 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit, Transit Timing Variations
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Demangeon et al. 2021 Cadieux et al. 2025 Rajpaul et al. 2024 Kokori et al. 2023 Luque & Pallé 2022 Cloutier et al. 2019 Kostov et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
553+27-26
 526±11 --- --- --- 517±11 --- 479
Mp
(M⨁)
2.22+0.26-0.25
 2.00±0.13 2.25±0.24 ---
2.42+0.35-0.34
2.42+0.35-0.34
 --- ---
Mp
(MJup)
0.00698+0.00082-0.00079
 0.00629±0.00041 0.00708±0.00076 ---
0.00761+0.00110-0.00107
0.00761+0.00110-0.00107
 --- ---
e
0.103+0.045-0.058
0.002+0.002-0.001
0.049+0.015-0.047
0.103+0.045-0.058
 0 <0.07
0.090+0.160-0.070
 ---
P
(days)
3.6906777+0.0000016-0.0000026
 3.6906764±0.0000004 --- 3.6906716±0.0000015 3.6906745±0.0000025 3.6904±0.0003
3.690621+0.000013-0.000014
 3.6906758578021837±0.0000010080013589
ρ
(g/cm3)
4.57+0.77-0.85
4.7+0.5-0.4
4.77+0.75-1.20
 ---
5.46+1.23-1.05
5.4+1.3-1.0
 --- ---
Rp
(R⨁)
1.385+0.095-0.075
 1.329±0.029 --- --- 1.34±0.07 1.35±0.07
1.35+0.08-0.07
 1.3675100±0.0448017
Rp
(RJup)
0.1236+0.0085-0.0067
 0.1186±0.0026 --- --- 0.120±0.006 0.120±0.006
0.120+0.007-0.006
 0.12200128±0.00399695
K
(m/s)
2.19+0.17-0.20
 --- 2.22±0.17 --- --- 2.21±0.28 --- ---
a
(au)
0.0304+0.0011-0.0012
 0.0309±0.0010 --- --- --- 0.0317±0.0001
0.0324+0.0023-0.0024
 ---
TC
(days)
2458367.27375+0.00013-0.00022
 2458367.27303±0.00015 --- 2458902.42094±0.00014 2458367.27380±0.00025 2458367.2752±0.0006
2458367.2755+0.0004-0.0003
 2460688.7083700001±0.0003800817
S
(S⨁)
12.8+2.6-2.1
 12.7±1.3 --- --- --- ---
12.4+2.8-2.3
 8.77401
δ
(%)
--- 0.1486±0.0030 --- --- --- --- --- 0.16570000±0.00434539
T14
(hours)
1.346+0.122-0.069
 1.28±0.04 --- --- --- ---
1.24+0.12-0.17
 1.107±0.081
b
0.601+0.081-0.066
0.41+0.05-0.07
 --- ---
0.43+0.15-0.17
 --- 0.29±0.20 ---
ω
(deg)
261+20-10
 --- ---
261.0+20.0-10.0
 90 ---
-22.90+149.00-120.30
 ---
Rp/R✶
0.04088+0.00068-0.00056
 --- --- 0.04088±0.00068 0.0390±0.0011 ---
0.0396+0.0011-0.0008
 ---
a/R✶
19.00+1.20-0.80
 --- ---
19.0+1.2-0.8
 --- ---
22.5+1.1-1.4
 ---
i
(deg)
88.11+0.36-0.16
88.88+0.21-0.17
 ---
88.11+0.36-0.16
 --- ---
89.3+0.4-0.5
 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit, Transit Timing Variations
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Demangeon et al. 2021 Cadieux et al. 2025 Rajpaul et al. 2024 Kokori et al. 2023 Luque & Pallé 2022 Cloutier et al. 2019 Kostov et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
416±20 416±9 --- --- --- 409±8 --- 329
Mp
(M⨁)
1.94±0.28 1.64±0.07
2.14+0.25-0.29
 ---
2.31+0.46-0.45
2.31+0.46-0.45
 --- ---
Mp
(MJup)
0.00610±0.00088 0.00516±0.00022
0.00673+0.00079-0.00091
 ---
0.00727+0.00145-0.00142
0.00727+0.00145-0.00142
 --- ---
e
0.0740+0.0570-0.0460
0.0060+0.0070-0.0040
0.0980+0.0270-0.0960
0.0740+0.0570-0.0460
 0 <0.09
0.20+0.32-0.16
 ---
P
(days)
7.4507245+0.0000081-0.0000046
 7.450729±0.000002 --- 7.4507370±0.0000054 7.4507290±0.0000060 7.4512±0.0007
7.45086+0.00004-0.00005
 7.4507305±0.0000032
ρ
(g/cm3)
2.95+0.79-0.51
 2.2±0.2
3.45+0.59-1.00
 ---
3.17+0.85-0.73
3.3+1.3-0.9
 --- ---
Rp
(R⨁)
1.521+0.119-0.098
 1.627±0.041 --- --- 1.58±0.08 1.57±0.14 1.57±0.14 3.045280±0.856434
Rp
(RJup)
0.1357+0.0106-0.0087
 0.1452±0.0037 --- --- 0.141±0.007 0.140±0.012 0.140±0.012 0.2716822±0.0764061
K
(m/s)
1.50+0.22-0.19
 ---
1.68+0.16-0.19
 --- --- 1.67±0.31 --- ---
a
(au)
0.0486+0.0018-0.0019
 0.0494±0.0016 --- --- --- 0.0506±0.0002 0.052±0.004 ---
TC
(days)
2458362.73974+0.00031-0.00040
 2458362.74002±0.00025 --- 2458847.03715±0.00025 2458362.73980±0.00035 2458362.7376±0.0009
2458362.7375+0.0007-0.0008
 2460039.1545030±0.0004444
S
(S⨁)
5.01+1.02-0.83
 4.97±0.52 --- --- --- ---
4.85+1.08-0.89
 1.96064
δ
(%)
--- 0.1445±0.0047 --- --- --- --- --- 0.154200±0.434343
T14
(hours)
0.840+0.150-0.200
 0.84±0.04 --- --- --- ---
0.910+0.770-0.170
 0.475±0.120
b
0.922±0.059 0.921±0.007 --- --- 0.91±0.02 ---
0.890+0.040-0.140
 ---
ω
(deg)
180+27-50
 --- ---
180.0+27.0-50.0
 90 ---
40.10+91.70-149.00
 ---
Rp/R✶
0.04480+0.00106-0.00100
 --- --- 0.0448±0.0011 0.0463±0.0013 ---
0.0462+0.0030-0.0036
 ---
a/R✶
33.7+1.9-1.7
 --- ---
33.7+1.9-1.7
 --- ---
37.4+1.1-1.2
 ---
i
(deg)
88.449+0.058-0.111
 88.44±0.05 ---
88.449+0.058-0.111
 --- ---
88.5+0.2-0.5
 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Demangeon et al. 2021 Cadieux et al. 2025 Rajpaul et al. 2024
a/R✶
49.8+3.9-3.8
 --- ---
Teq
(K)
342+20-18
 347±7 ---
ω
(deg)
165+40-29
 --- ---
Mp sin i
(M⨁)
3.06+0.33-0.37
 2.82±0.19 ---
Mp sin i
(MJup)
0.00963+0.00104-0.00116
 0.00887±0.00060 ---
e
0.128+0.108-0.076
0.012+0.009-0.008
0.139+0.058-0.110
P
(days)
12.796+0.020-0.019
 12.8278±0.0018 12.81±0.20
K
(m/s)
2.01+0.16-0.20
 --- 1.88±0.23
a
(au)
0.0717+0.0060-0.0048
 0.0712±0.0022 ---
S
(S⨁)
--- 2.40±0.25 ---
i
(deg)
--- >80 ---
ρ
(g/cm3)
---
5.2+1.3-2.6
 ---
TC
(days)
--- 2458438.48±0.15 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Cadieux et al. 2025
Teq
(K)
285±6
S
(S⨁)
1.10±0.11
Mp sin i
(M⨁)
2.80±0.30
Mp sin i
(MJup)
0.00881±0.00094
e
0.044+0.027-0.028
i
(deg)
>74
P
(days)
23.064±0.055
ρ
(g/cm3)
5.0+1.7-2.4
a
(au)
0.1052±0.0033
TC
(days)
2458437.84±0.75
Print
Known Objects
5 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
5 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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