GJ 1252 Overview

GJ 1252 0.39 R⦿ 3772.00 K
GJ 1252 b
0.106 RJup
Architecture
GJ 1252
GJ 1252
GJ 1252 b
Other Data
Bibliography 11
Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
GJ 1252 GJ 1252 b Transit 2020 Shporer et al. 2020 Confirmed Planet
RA
20h27m42.88s
Dec
-56d27m44.23s
Distance
20.3730±0.0192 pc
Parallax
49.055800±0.045873 mas
Ecliptic Latitude
-36.09064 deg
Ecliptic Longitude
294.24988 deg
Galactic Latitude
-35.49343 deg
Galactic Longitude
341.21724 deg
Total Proper Motion
1301.7499099±0.0726244 mas/yr
Proper Motion (RA)
424.4140000±0.0734525 mas/yr
Proper Motion (Dec)
-1230.6200000±0.0725253 mas/yr
Photometry
mV
12.68±0.20
mTESS
10.1165000±0.0073413
mJ
8.697±0.019
mH
8.161±0.034
mKs
7.915±0.023
mGaia
11.236400±0.000806
mB
---
Source Crossfield et al. 2022 Shporer et al. 2020 TICv8 Gaia DR2 Hawley et al. 1996 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3458±137
3458+140-133
3536.0±157.0
3772+175-111
--- 3325±102
γ
(km/s)
--- 7.48356±0.00070 --- 7.337706331086256±0.325881110453100 --- ---
L
(log10(L⦿))
---
-1.71+0.05-0.05
-1.66693+0.09303-0.11855
--- --- ---
Metallicity
(dex)
--- 0.1±0.1 [Fe/H] --- --- --- ---
M
(M⦿)
0.381±0.019 0.381±0.019 0.3812720±0.0203251 --- --- ---
R
(R⦿)
0.391±0.020 0.391±0.020 0.3909890±0.0117402 --- --- 0.390989005565643±0.011740200000000
Sp. T
--- M3 --- --- M2.5 ---
Prot
(days)
--- 64±4 --- --- --- ---
ρ
(g/cm3)
--- --- 8.9930423±0.3305338 --- --- ---
log g
(log10(cm/s2))
--- --- 4.8349700±0.0029153 --- --- 4.886930±0.098941
Age
(Gyr)
3.9±0.4 --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Luque & Pallé 2022 Kokori et al. 2023 Crossfield et al. 2022 Patel & Espinoza 2022 Shporer et al. 2020 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
--- --- --- --- 1089±69 1019.33221980229
b
--- --- 0.42±0.24
0.380+0.270-0.220
0.44+0.12-0.17
---
Mp
(M)
1.32±0.28 --- 1.32±0.28 --- 2.09±0.56 ---
Mp
(MJup)
0.00415±0.00088 --- 0.00415±0.00088 --- 0.00658±0.00176 ---
e
0 --- --- --- 0 ---
i
(deg)
---
85.0+2.1-1.8
84.8±3.2 ---
85.0+2.1-1.8
---
P
(days)
0.5182331±0.0000084 0.5182464±0.0000023 0.51824160±0.00000069
0.5182418+0.0000007-0.0000006
0.5182349+0.0000063-0.0000050
0.518238461855618±0.000004560845400
Rp
(R)
1.193±0.074 --- 1.180±0.078 --- 1.193±0.074 1.14038331837198±0.71007156000000
Rp
(RJup)
0.1064±0.0066 --- 0.1053±0.0070 --- 0.1064±0.0066 0.101738360417730±0.063348450586591
Rp/R
--- 0.02802±0.00090 0.0277±0.0011
0.0276+0.0012-0.0009
0.02802+0.00090-0.00097
---
K
(m/s)
2.00±0.43 --- --- --- 3.17±0.85 ---
a
(au)
--- --- 0.00915±0.00015 --- 0.00916±0.00076 ---
T14
(hours)
--- --- 0.724±0.013 ---
0.734+0.018-0.014
0.749995882035704±0.178828790000000
TC
(days)
2458668.09744±0.00091 2458876.94510±0.00086 2458668.09748±0.00032
2459060.40646+0.00040-0.00033
2458668.09739+0.00032-0.00029
2458654.10545500±0.00038755
a/R
---
5.05+6.35-2.73
5.03±0.27
5.02+0.36-0.83
--- ---
S
(S)
--- ---
233+48-41
--- --- 255.14320664456
δ
(%)
--- --- --- --- --- 0.0797261856667276±0.0047291542000000
ω
(deg)
90 --- --- --- --- ---
ρ
(g/cm3)
4.2+1.3-1.1
--- --- --- --- ---
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 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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