GJ 317 Overview

GJ 317 0.43 R⦿ 3510.00 K
GJ 317 b
GJ 317 c
Architecture
GJ 317
GJ 317
GJ 317 b
GJ 317 c
Other Data
Bibliography 13
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
GJ 317 GJ 317 b Radial Velocity 2007 Johnson et al. 2007 Confirmed Planet
GJ 317 GJ 317 c Radial Velocity 2018 Bryan et al. 2016 Confirmed Planet
RA
08h40m58.69s
Dec
-23d27m10.11s
Distance
15.1968+0.0130-0.0129
pc
Parallax
65.7744000±0.0556846 mas
Ecliptic Latitude
-40.06754 deg
Ecliptic Longitude
140.75564 deg
Galactic Latitude
11.19034 deg
Galactic Longitude
246.79531 deg
Total Proper Motion
928.2322049±0.1290887 mas/yr
Proper Motion (RA)
-461.162000±0.139464 mas/yr
Proper Motion (Dec)
805.571000±0.125502 mas/yr
Photometry
mV
12.4±0.2
mTESS
9.5113800±0.0073881
mJ
7.934±0.027
mH
7.321±0.071
mKs
7.028±0.020
mW1
6.867±0.065
mW2
6.766±0.021
mW3
6.704±0.016
mW4
6.502±0.059
mIc
---
mGaia
10.753900±0.000818
mB
---
Source Rosenthal et al. 2021 Feng et al. 2020 TICv8 Gaia DR2 Bryan et al. 2016 Anglada-Escude et al. 2012 Johnson et al. 2007 Hawley et al. 1996
Teff
(K)
3492.7342869650001±44.5990175456000 --- 3347.0±157.0
3589.7932+281.4140-253.7930
--- 3510±50 --- ---
Metallicity
(dex)
0.30067797324900003±0.07647372255192500 [Fe/H] --- -0.5537760±0.0814516 [M/H] --- --- 0.36±0.2 [Fe/H] -0.23±0.2 [Fe/H] ---
γ
(km/s)
--- --- --- --- --- 87.8±1.5 --- ---
Age
(Gyr)
--- --- --- --- --- 5 --- ---
M
(M⦿)
0.45327078392200±0.00877074098738 0.42±0.02 0.4211600±0.0202602 --- 0.240±0.040 0.42±0.05 0.26±0.04 ---
Sp. T
--- --- --- --- --- M2.5 V M3.5 V M3.5 V
L
(log10(L⦿))
--- ---
-1.68663+0.09636-0.12402
--- --- --- --- ---
ρ
(g/cm3)
--- --- 7.6477156±0.3138118 --- --- --- --- ---
R
(R⦿)
0.43183446003000±0.00830414660821 --- 0.4266060±0.0126747 --- --- --- --- ---
log g
(log10(cm/s2))
4.8224364025150006±0.0116311748343750 --- 4.8024600±0.0049057 --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Feng et al. 2020 Rosenthal et al. 2021 Anglada-Escude et al. 2012 Johnson et al. 2007
Tp
(days)
2450988.9±14.5 --- 2451656.7±35 2451639±30
ω
(deg)
72.0±133.0
-28+15-13
342±10 344±10
Mp sin i
(M)
557.1±18.3 588.9±11.8 572.07±15.89 381.4
Mp sin i
(MJup)
1.753±0.058 1.853±0.037 1.8±0.05 1.2
e
0.07±0.01 0.0980±0.0160 0.11±0.05 0.193±0.06
P
(days)
695.660±0.355 695.36±0.70 692±2 692.9±4
K
(m/s)
71.81±0.58 72.4±1.1 75.2±3.0 71.0±7
a
(au)
1.151±0.018
1.1800+0.0075-0.0076
1.15±0.05 0.95
TC
(days)
---
2455306.1+4.6-4.5
--- ---
Mp
(M)
--- ---
794.5 +222.5-127.1
---
Mp
(MJup)
--- ---
2.5 +0.7-0.4
---
i
(deg)
--- ---
45 +30-10
---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Feng et al. 2020 Rosenthal et al. 2021 Bryan et al. 2016 Anglada-Escude et al. 2012
Tp
(days)
2449804.6±221.5 ---
2457424+1913-3660
---
ω
(deg)
108±9
-65.9+20.0-14.0
194+27-31
210
Mp sin i
(M)
522.5±19.1
531.7+24.8-24.2
489+400-181
636
Mp sin i
(MJup)
1.644±0.060
1.673+0.078-0.076
1.54+1.26-0.57
2.0
e
0.17±0.02
0.250+0.110-0.074
0.308+0.065-0.079
0.810±0.200
P
(days)
6739.323±143.106
7500+1500-720
5312+758-1248
>10000
K
(m/s)
31.97±0.56 30.3±1.6
30+36-14
30
a
(au)
5.230±0.111
5.78+0.75-0.38
--- 25±15
TC
(days)
---
2456384+75-77
--- ---
Literature Stellar Spectra (4 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Radial Velocity Curve     18 Optical Spectra Johnson et al. 2007
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
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