GJ 393 Overview

GJ 393 0.44 R⦿ 3545.00 K
GJ 393 b
Architecture
GJ 393
GJ 393
GJ 393 b
Other Data
Bibliography 15
Nearby Data 6
Discovery Data
Host Planet Method Year Reference Disposition
GJ 393 GJ 393 b Radial Velocity 2021 Amado et al. 2021 Confirmed Planet
RA
10h28m54.93s
Dec
+00d50m16.25s
Distance
7.031490±0.002485 pc
Parallax
142.1880000±0.0499288 mas
Ecliptic Latitude
-8.07837 deg
Ecliptic Longitude
158.62269 deg
Galactic Latitude
46.88333 deg
Galactic Longitude
244.47566 deg
Total Proper Motion
948.4442122±0.0763903 mas/yr
Proper Motion (RA)
-603.003000±0.084483 mas/yr
Proper Motion (Dec)
-732.0750000±0.0703717 mas/yr
Photometry
mV
9.65±0.10
mTESS
7.5583900±0.0077604
mJ
6.176±0.021
mH
5.605±0.033
mKs
5.311±0.023
mKep
8.771
mIc
7.412
mGaia
8.67373±0.00078
mB
11.054±0.064
mg
10.5111000±0.0004139
mi
8.0154800±0.0002402
mr
9.0690000±0.0003941
mu
15.4777000±0.0089022
mz
8.2555700±0.0009448
Source Amado et al. 2021 TICv8 Turnbull 2015 Wright et al. 2004 Nidever et al. 2002 Hawley et al. 1996 Duncan et al. 1991
Teff
(K)
3579±51 3546.0±157.0 3545 --- --- --- ---
L
(log10(L⦿))
-1.571+0.009-0.009
-1.57337+0.09279-0.11816
-1.523 +0.637-0.368
--- --- --- ---
M
(M⦿)
0.426±0.017 0.4281750±0.0203426 0.40 --- --- --- ---
R
(R⦿)
0.426±0.013 0.4330010±0.0129681 0.44 --- --- --- ---
Sp. T
M2.0 V --- M2 --- --- M2 ---
γ
(km/s)
--- --- --- --- 8.3 --- ---
ρ
(g/cm3)
--- 7.435678±0.314907 --- --- --- --- ---
log g
(log10(cm/s2))
4.88±0.07 4.7967100±0.0053726 --- --- --- --- ---
Metallicity
(dex)
-0.090±0.160 [Fe/H] --- --- --- --- --- ---
v sin i
(km/s)
<2.0 --- --- --- --- --- ---
Prot
(days)
34.15+0.22-0.21
--- --- --- --- --- ---
S Index
--- --- --- 1.004±0.131 --- --- 1.0345
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Amado et al. 2021
Tp
(days)
2458002.72±0.21
Teq
(K)
485±11
S
(S)
9.21±0.31
Mp sin i
(M)
1.71±0.24
Mp sin i
(MJup)
0.00538±0.00076
P
(days)
7.02679+0.00082-0.00085
K
(m/s)
1.01±0.14
a
(au)
0.05402±0.00072
Literature Stellar Spectra (1 File)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     69 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 K2 Targets
1 2MASS Point Source Catalog
Data Files
1 K2 Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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