NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

TOI-421 Overview

TOI-421 0.87 R⦿ 5291.00 K
TOI-421 b
0.236 RJup
TOI-421 c
0.454 RJup
2MASS J05272374-1416122 0.36 R⦿ 3676.00 K
Architecture
TOI-421
TOI-421
TOI-421 b
TOI-421 c
2MASS J05272374-1416122
Other Data
Bibliography 8
Exoplanet Archive Notes 1
TOI-421 Nearby Data 3
2MASS J05272374-1416122 Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
TOI-421 TOI-421 b Transit 2020 Carleo et al. 2020 Confirmed Planet
TOI-421 TOI-421 c Transit 2020 Carleo et al. 2020 Confirmed Planet
TOI-421
  • This reference contains discussion regarding the stellar multiplicity of this system. (Carleo et al. 2020)
RA
05h27m24.79s
Dec
-14d16m36.27s
Distance
74.7969+0.2041-0.2029
pc
Parallax
13.3407000±0.0361024 mas
Ecliptic Latitude
-37.43479 deg
Ecliptic Longitude
80.03663 deg
Galactic Latitude
-24.93742 deg
Galactic Longitude
216.79355 deg
Total Proper Motion
61.7961187±0.0588589 mas/yr
Proper Motion (RA)
-35.6868000±0.0457975 mas/yr
Proper Motion (Dec)
50.4501000±0.0644077 mas/yr
Photometry
mV
9.931±0.006
mTESS
9.2711±0.0060
mJ
8.547±0.020
mH
8.219±0.033
mKs
8.071±0.018
mW1
8.058±0.023
mW2
8.11±0.02
mW3
8.060±0.021
mW4
7.809±0.168
mGaia
9.777760±0.000189
mB
10.735±0.076
Abundances
(Hypatia Catalog)
[Fe/H] -0.04±0.04 dex
[C/H] 0.00±0.02 dex
[O/H] -0.06±0.06 dex
[Na/H] -0.18±0.04 dex
[Mg/H] 0.08±0.08 dex
[Al/H] -0.05±0.06 dex
[Si/H] 0.08±0.11 dex
[Ca/H] -0.02±0.06 dex
[Y/H] -0.02±0.08 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Krenn et al. 2024 Carleo et al. 2020 TICv8 Gaia DR2 ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5291±64
5325+78-58
5320.000+121.788-130.936
5272.27+69.06-104.37
 5718±189 5718±189
Metallicity
(dex)
-0.044±0.040 [Fe/H] -0.02±0.05 [Fe/H] --- --- --- ---
v sin i
(km/s)
1.8±1.0 1.8±1.0 --- --- --- ---
Age
(Gyr)
10.9+2.9-5.2
9.40+2.40-3.10
 --- --- --- ---
ρ✶
(g/cm3)
1.80±0.08 2.72±0.18
2.0383128+0.6033887-0.3770298
 --- --- ---
M✶
(M⦿)
0.833+0.048-0.054
0.852+0.029-0.021
0.9200000+0.1177210-0.1137940
 --- --- ---
R✶
(R⦿)
0.866±0.006 0.871±0.012
0.8601240+0.0534106-0.0455844
0.880592+0.035926-0.022625
 0.860123991966248±0.049497500000000 0.860123991966248±0.049497500000000
log g
(log10(cm/s2))
4.48±0.03
4.486+0.025-0.018
4.5327300+0.1045760-0.0638343
 --- 4.35658±2.00367 4.35658±2.00367
Sp. T
G9 V G9 V --- --- --- ---
Prot
(days)
39.6±1.6
43.24+0.57-0.55
 --- --- --- ---
L✶
(log10(L⦿))
--- ---
-0.2725368+0.0125769-0.0080153
-0.267766+0.001770-0.001778
 --- ---
γ
(km/s)
---
79.54382+0.00024-0.00025
 --- 79.152626675600±0.422731736253 --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Source Krenn et al. 2024 Carleo et al. 2020 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
922±14
981.4+16.3-15.8
 910.739979794873
S
(S⨁)
---
154.57+10.53-9.73
 162.591788611879
P
(days)
5.197576±0.000005 5.19672±0.00049 5.19768583560535±0.00002936599400
Rp
(R⨁)
2.64±0.08
2.68+0.19-0.18
 1.92573458587637±0.98772140000000
Rp
(RJup)
0.236±0.007
0.239+0.017-0.016
 0.171802828233648±0.088118752849668
δ
(%)
--- --- 0.0437437604397436±0.0038440166000000
T14
(hours)
1.09±0.03
1.107+0.065-0.063
 1.88107373114126±0.34642590000000
TC
(days)
2459189.7341±0.0005
2458441.2847+0.0020-0.0018
 2458441.28066900±0.00154871
b
0.942±0.011
0.933+0.016-0.024
 ---
ω
(deg)
140±30
128.9+24.9-27.2
 ---
Mp
(M⨁)
6.7±0.6 7.17±0.66 ---
Mp
(MJup)
0.021±0.002 0.0226±0.0021 ---
e
0.13±0.05
0.163+0.082-0.071
 ---
i
(deg)
---
85.68+0.36-0.46
 ---
ρ
(g/cm3)
2.0±0.3
2.05+0.52-0.41
 ---
Rp/R✶
0.0279±0.0008
0.0285+0.0019-0.0018
 ---
K
(m/s)
2.83±0.18 2.97±0.27 ---
a
(au)
0.0554±0.0010 0.0560±0.0018 ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Source Krenn et al. 2024 Kokori et al. 2023 Carleo et al. 2020 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
---
29.91+4.19-4.03
 --- ---
ω
(deg)
102±14
114.7+15.6-13.3
114.7+15.6-13.3
 ---
e
0.19±0.04 0.152±0.042 0.152±0.042 ---
i
(deg)
---
88.353+0.078-0.084
88.353+0.078-0.084
 ---
P
(days)
16.067541±0.000004 16.067531±0.000028 16.06819±0.00035 16.067522015214±0.000017260583
Rp/R✶
0.0540±0.0006 0.0542±0.0011
0.0542+0.0011-0.0010
 ---
TC
(days)
2459195.30741±0.00018 2458681.14621±0.00059
2458440.13162+0.00070-0.00068
 2459195.3081140±0.0007124
Teq
(K)
635±9 ---
673.6+11.2-10.9
 625.193963074304
S
(S⨁)
--- ---
34.32+2.34-2.16
 36.1060604449033
Rp
(R⨁)
5.09±0.07 ---
5.09+0.16-0.15
 4.79096166986825±0.34581897000000
Rp
(RJup)
0.454±0.006 ---
0.454+0.014-0.013
 0.427421707476778±0.030851955164844
δ
(%)
--- --- --- 0.292965014692961±0.004748723200000
T14
(hours)
2.755±0.022 ---
2.710+0.043-0.038
 2.61823824440113±0.06979756000000
b
0.70±0.03 ---
0.738+0.029-0.032
 ---
Mp
(M⨁)
14.1±1.4 ---
16.42+1.06-1.04
 ---
Mp
(MJup)
0.0444±0.0044 ---
0.05166+0.00334-0.00327
 ---
ρ
(g/cm3)
0.590±0.066 ---
0.685+0.080-0.072
 ---
K
(m/s)
4.1±0.3 --- 4.66±0.29 ---
a
(au)
0.1170±0.0018 --- 0.1189±0.0039 ---
Print
RA
05h27m23.70s
Dec
-14d16m11.43s
Distance
74.6788+0.2628-0.2610
pc
Parallax
13.3620000±0.0466068 mas
Ecliptic Latitude
-37.4276 deg
Ecliptic Longitude
80.03175 deg
Galactic Latitude
-24.93867 deg
Galactic Longitude
216.78465 deg
Total Proper Motion
62.0544238±0.0789917 mas/yr
Proper Motion (RA)
-35.9967000±0.0703883 mas/yr
Proper Motion (Dec)
50.5469000±0.0830149 mas/yr
Photometry
mV
15.3±0.2
mTESS
13.3603000±0.0073114
mJ
11.817±0.024
mH
11.251±0.026
mKs
10.990±0.021
mW1
10.829±0.023
mW2
10.686±0.020
mW3
10.513±0.072
mW4
8.565
mGaia
14.593000±0.000547
mB
17.645±0.162
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Carleo et al. 2020 TICv8 Gaia DR2
Teff
(K)
--- 3388.0±157.0
3676+376-385
Sp. T
M V --- ---
L✶
(log10(L⦿))
---
-1.82022+0.09577-0.12305
 ---
ρ✶
(g/cm3)
--- 10.6067013±0.3261661 ---
M✶
(M⦿)
--- 0.3422810±0.0202765 ---
R✶
(R⦿)
--- 0.3569900±0.0107145 ---
log g
(log10(cm/s2))
--- 4.867140±0.000372 ---
Print
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
2 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

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.