GJ 3138 Overview

GJ 3138 0.50 R⦿ 3717.00 K
GJ 3138 b
GJ 3138 c
GJ 3138 d

GJ 3138 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
GJ 3138
GJ 3138 b 1.22 d > 1.78 M Radial Velocity 2017 Astudillo-Defru et al. 2017 Confirmed Planet
GJ 3138 c 5.97 d > 4.18 M Radial Velocity 2017 Astudillo-Defru et al. 2017 Confirmed Planet
GJ 3138 d 257.8 d > 10.5 M Radial Velocity 2017 Astudillo-Defru et al. 2017 Confirmed Planet
RA
02h09m11.46s
Dec
-16d20m21.30s
Distance
28.47120±0.03505 pc
Parallax
35.0943000±0.0429314 mas
Ecliptic Latitude
-27.52049 deg
Ecliptic Longitude
23.84151 deg
Galactic Latitude
-69.01004 deg
Galactic Longitude
185.99827 deg
Total Proper Motion
522.3937499±0.0727056 mas/yr
Proper Motion (RA)
516.3240000±0.0728444 mas/yr
Proper Motion (Dec)
79.4025000±0.0665743 mas/yr
Photometry
mV
10.8275±0.0459
mTESS
11.0750000±0.0474324
mKs
7.246±0.016
mW1
7.055±0.040
mW2
7.149±0.019
mW3
7.070±0.016
mW4
7.094±0.084
mIc
9.140±0.025
mGaia
10.192400±0.000629
mB
12.320±0.025
Source TICv8 Gaia DR2 Astudillo-Defru et al. 2017 Turnbull 2015 Gray et al. 2006 Hawley et al. 1996
Teff
(K)
3953.0±122.0
4056.8+138.9-146.6
3717±49 3916 --- ---
L
(log10(L⦿))
-1.058948+0.122636-0.171521
-1.08842+0.00080-0.00080
-1.3+0.1-0.1
-1.000 +0.415-0.222
--- ---
Metallicity
(dex)
--- --- -0.30±0.12 [Fe/H] --- --- ---
γ
(km/s)
--- 13.11024953700451±0.41982730712675 13.5973±0.0002 --- --- ---
M
(M⦿)
0.6155984±0.0785064 --- 0.681 0.55 --- ---
R
(R⦿)
0.6299770±0.0639822
0.5781854+0.0441102-0.0376591
0.50±0.03 0.67 --- ---
Sp. T
--- --- M0 K7 K9 V (k) M0
Prot
(days)
--- --- 42.5 --- --- ---
ρ
(g/cm3)
3.4712743±0.6377110 --- --- --- --- ---
log g
(log10(cm/s2))
4.6287200±0.0331227 --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Source Astudillo-Defru et al. 2017
S
(S)
118.1
Mp sin i
(M)
1.78+0.34-0.33
Mp sin i
(MJup)
0.00560+0.00107-0.00104
e
0.19+0.18-0.13
P
(days)
1.22003+0.00006-0.00004
K
(m/s)
1.43+0.27-0.26
a
(au)
0.0197±0.0005
Status
Confirmed Planet
Detected By
Radial Velocity
Source Astudillo-Defru et al. 2017
S
(S)
13.9
Mp sin i
(M)
4.18+0.61-0.59
Mp sin i
(MJup)
0.0132+0.0019-0.0019
e
0.11+0.11-0.07
P
(days)
5.974±0.001
K
(m/s)
1.93±0.26
a
(au)
0.057±0.001
Status
Confirmed Planet
Detected By
Radial Velocity
Source Astudillo-Defru et al. 2017
S
(S)
0.1
Mp sin i
(M)
10.5+2.3-2.1
Mp sin i
(MJup)
0.0330+0.0072-0.0066
e
0.32+0.20-0.21
P
(days)
257.8+3.6-3.5
K
(m/s)
1.47+0.35-0.30
a
(au)
0.698+0.018-0.019
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     92 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
3 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
3 Associated Literature Data
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  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
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