GJ 393 Overview

GJ 393 0.43 R⦿ 3546.00 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
Mission
K2 : Observed in Campaign 14
Tools
IRSA Finding Chart
K2 Targets
K2 Time Series
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
--- --- --- ---
ρ
(g/cm3)
--- 7.435678±0.314907 --- --- --- --- ---
M
(M⦿)
0.426±0.017 0.4281750±0.0203426 0.40 --- --- --- ---
R
(R⦿)
0.426±0.013 0.4330010±0.0129681 0.44 --- --- --- ---
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 --- --- --- --- --- ---
Sp. T
M2.0 V --- M2 --- --- M2 ---
Prot
(days)
34.15+0.22-0.21
--- --- --- --- --- ---
S Index
--- --- --- 1.004±0.131 --- --- 1.0345
γ
(km/s)
--- --- --- --- 8.3 --- ---
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
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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