GJ 317 Overview
GJ 317
0.43
R⦿
3510.00
K
GJ 317 b
GJ 317 c
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| GJ 317 | GJ 317 b | 695.69 d | > 536.49 M⨁ | Radial Velocity | 2007 | Johnson et al. 2007 | Confirmed Planet |
| GJ 317 | GJ 317 c | 6500 d | > 454.49 M⨁ | Radial Velocity | 2018 | Bryan et al. 2016 | Confirmed Planet |
- RA
- 08h40m58.69s
- Dec
- -23d27m10.11s
- Distance
-
15.1968+0.0130-0.0129pc
- Parallax
- 65.7744000±0.0556846 mas
- Ecliptic Latitude
- -40.06754 deg
- Ecliptic Longitude
- 140.75177 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
-
mV12.4±0.2
-
mTESS9.5113800±0.0073881
-
mJ7.934±0.027
-
mH7.321±0.071
-
mKs7.028±0.020
-
mW16.867±0.065
-
mW26.766±0.021
-
mW36.704±0.016
-
mW46.502±0.059
-
mIc9.370±0.010
-
mGaia10.753900±0.000818
-
mB13.470±0.044
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.06±0.04 dex
-
[C/H] 0.39±0.09 dex
-
[O/H] -0.27±0.09 dex
-
[Na/H] 0.50±0.04 dex
-
[Mg/H] 0.06±0.05 dex
-
[Al/H] 0.09±0.06 dex
-
[Si/H] 0.19±0.24 dex
-
[Ca/H] -0.01±0.06 dex
| Source | Morales et al. 2025 | 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)
|
3496±37 | 3492.7342869650001±44.5990175456000 | --- | 3347.0±157.0 |
3589.7932+281.4140-253.7930
|
--- | 3510±50 | --- | --- |
|
Metallicity
(dex)
|
-0.02±0.08 [Fe/H] | 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⦿)
|
0.402±0.014 | 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
|
M3.5 V | --- | --- | --- | --- | --- | 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⦿)
|
0.403±0.009 | 0.43183446003000±0.00830414660821 | --- | 0.4266060±0.0126747 | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
--- | 4.8224364025150006±0.0116311748343750 | --- | 4.8024600±0.0049057 | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
<2.5 | --- | --- | --- | --- | --- | --- | --- | --- |
|
Prot
(days)
|
57.5±1.7 | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Morales et al. 2025 | Rosenthal et al. 2021 | Feng et al. 2020 | Anglada-Escude et al. 2012 | Johnson et al. 2007 |
|---|---|---|---|---|---|
|
Tp
(days)
|
--- | --- |
2450988.9±14.5
(JD)
|
2451656.7±35 | 2451639±30 |
|
ω
(deg)
|
11.3+4.8-4.6
|
-28+15-13
|
72.0±133.0 | 342±10 | 344±10 |
|
Mp sin i
(M⨁)
|
536.5±13.0 | 588.9±11.8 | 557.1±18.3 | 572.07±15.89 | 381.4 |
|
Mp sin i
(MJup)
|
1.688±0.041 | 1.853±0.037 | 1.753±0.058 | 1.8±0.05 | 1.2 |
|
e
|
0.0826+0.0070-0.0071
|
0.0980±0.0160 | 0.07±0.01 | 0.11±0.05 | 0.193±0.06 |
|
P
(days)
|
695.69+0.26-0.25
|
695.36±0.70 | 695.660±0.355 | 692±2 | 692.9±4 |
|
K
(m/s)
|
71.39+0.56-0.55
|
72.4±1.1 | 71.81±0.58 | 75.2±3.0 | 71.0±7 |
|
a
(au)
|
1.138±0.013 |
1.1800+0.0075-0.0076
|
1.151±0.018 | 1.15±0.05 | 0.95 |
|
Mp
(M⨁)
|
--- | --- | --- |
794.5 +222.5-127.1
|
--- |
|
Mp
(MJup)
|
--- | --- | --- |
2.5 +0.7-0.4
|
--- |
|
i
(deg)
|
--- | --- | --- |
45 +30-10
|
--- |
|
TC
(days)
|
2458089.4+1.7-1.6
(BJD)
|
2455306.1+4.6-4.5
(BJD)
|
--- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Morales et al. 2025 | Rosenthal et al. 2021 | Feng et al. 2020 | Bryan et al. 2016 | Anglada-Escude et al. 2012 |
|---|---|---|---|---|---|
|
Tp
(days)
|
--- | --- |
2449804.6±221.5
(JD)
|
2457424+1913-3660
(JD)
|
--- |
|
ω
(deg)
|
106.7+5.4-5.3
|
-65.9+20.0-14.0
|
108±9 |
194+27-31
|
210 |
|
Mp sin i
(M⨁)
|
454.5+18.4-17.5
|
531.7+24.8-24.2
|
522.5±19.1 |
489+400-181
|
636 |
|
Mp sin i
(MJup)
|
1.430+0.058-0.055
|
1.673+0.078-0.076
|
1.644±0.060 |
1.54+1.26-0.57
|
2.0 |
|
e
|
0.217±0.014 |
0.250+0.110-0.074
|
0.17±0.02 |
0.308+0.065-0.079
|
0.810±0.200 |
|
P
(days)
|
6500+169-166
|
7500+1500-720
|
6739.323±143.106 |
5312+758-1248
|
>10000 |
|
K
(m/s)
|
29.33+0.74-0.73
|
30.3±1.6 | 31.97±0.56 |
30+36-14
|
30 |
|
a
(au)
|
5.04±0.10 |
5.78+0.75-0.38
|
5.230±0.111 | --- | 25±15 |
|
TC
(days)
|
2462735.0+179.0-176.0
(BJD)
|
2456384+75-77
(BJD)
|
--- | --- | --- |
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
-
The CARMENES search for exoplanets around M dwarfs. Revisiting the GJ 317, GJ 463, and GJ 3512 systems and two newly discovered planets orbiting GJ 9773 and GJ 508.2
Morales et al. 2025 | Reference Overview -
The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
Rosenthal et al. 2021 | Reference Overview -
Search for Nearby Earth Analogs .III. Detection of 10 New Planets, 3 Planet Candidates, and Confirmation of 3 Planets around 11 Nearby M Dwarfs
Feng et al. 2020 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Statistics of Long Period Gas Giant Planets in Known Planetary Systems
Bryan et al. 2016 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Astrometry and Radial Velocities of the Planet Host M Dwarf GJ317: New Trigonometric Distance, Metallicity, and Upper Limit to the Mass of GJ 317b
Anglada-Escude et al. 2012 | Reference Overview -
A New Planet around an M Dwarf: Revealing a Correlation betweenExoplanets and Stellar Mass
Johnson et al. 2007 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 | Reference Overview -
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 | Reference Overview -
UBV(RI)_c photometry of faint nearby stars
Laing 1989 | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
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