Gl 725 Overview
-
Star:
Gl 725 A
- Stellar Radius: 0.35 Solar Radius
- Stellar Effective Temperature: 3433.00 K
-
Planet:
Gl 725 A b
- Disposition Confirmed
-
Star:
Gl 725 B
- Stellar Radius: 0.28 Solar Radius
- Stellar Effective Temperature: 3379.00 K
-
Planet:
Gl 725 B b
- Disposition Candidate
-
Planet:
Gl 725 B c
- Disposition Confirmed
Gl 725 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| Gl 725 A | ||||||
| Gl 725 A b | 11.22 d | > 2.78 M⨁ | Radial Velocity | 2025 | Cortés-Zuleta et al. 2025 | Confirmed Planet |
| Gl 725 B | ||||||
| Gl 725 B b | 4.77 d | > 1.5 M⨁ | Radial Velocity | 2026 | Ould-Elhkim et al. 2026 | Candidate Planet |
| Gl 725 B c | 37.9 d | > 3.4 M⨁ | Radial Velocity | 2026 | Ould-Elhkim et al. 2026 | Confirmed Planet |
Gl 725 A
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- Planetary parameters drawn from Table 3, "circular" fit in ref. (Ould-Elhkim et al. 2026)
- Planetary parameters drawn from Table 3, "circular" fit in ref. (Ould-Elhkim et al. 2026)
- RA
- 18h42m44.02s
- Dec
- +59d38m17.19s
- Distance
- 3.52140±0.00078 pc
- Parallax
- 283.9490000±0.0623549 mas
- Ecliptic Latitude
- 81.58136 deg
- Ecliptic Longitude
- 309.7902 deg
- Galactic Latitude
- 24.23792 deg
- Galactic Longitude
- 89.29524 deg
- Total Proper Motion
- 2221.039622±0.205127 mas/yr
- Proper Motion (RA)
- -1311.910000±0.181196 mas/yr
- Proper Motion (Dec)
- 1792.180000±0.216866 mas/yr
- Photometry
- mV 8.94±0.10
- mTESS 6.724±0.032
- mJ 5.189±0.017
- mH 4.741±0.036
- mKs 4.432±0.020
- mIc ---
- mGaia 7.849440±0.001262
- mB ---
-
Abundances
(Hypatia Catalog) - [Fe/H] -0.35±0.11 dex
- [C/H] -0.27±0.06 dex
- [O/H] -0.23±0.03 dex
- [Mg/H] -0.23±0.02 dex
- [Al/H] -0.39±0.06 dex
- [Si/H] -0.38±0.01 dex
- [Ca/H] -0.29±0.08 dex
| Source | Cortés-Zuleta et al. 2025 | TICv8 | Turnbull 2015 | Wright et al. 2004 | Nidever et al. 2002 | Hawley et al. 1996 | Duncan et al. 1991 | Duncan et al. 1991 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | 0.440±0.057 | --- | --- | 0.7079 | 0.3587 | --- |
|
ρ✶
(g/cm3)
|
--- | 11.10970±0.31646 | --- | --- | --- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
0.330±0.008 | 0.3317550±0.0202197 | 0.33 | --- | --- | --- | --- | --- | --- |
|
R✶
(R⦿)
|
0.351±0.003 | 0.3478780±0.0103775 | 0.29 | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.87±0.01 | 4.8760300±0.0005836 | --- | --- | --- | --- | --- | --- | --- |
|
Teff
(K)
|
3433±68 | --- | 3605 | --- | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
-1.809±0.002 | --- |
-2.000 +1.041-0.954
|
--- | --- | --- | --- | --- | --- |
|
Metallicity
(dex)
|
-0.19±0.13 [Fe/H] | --- | --- | --- | --- | --- | --- | --- | --- |
|
Age
(Gyr)
|
6.2±2.3 | --- | --- | --- | --- | --- | --- | --- | --- |
|
Sp. T
|
M3 | --- | M3.0V | --- | --- | M3 | --- | --- | K5 |
|
Prot
(days)
|
103.1±6.1 | --- | --- | --- | --- | --- | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | --- | -0.8 | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Cortés-Zuleta et al. 2025 |
|---|---|
|
Tp
(days)
|
2458597.7±0.5
(BJD-TDB)
|
|
ω
(deg)
|
0 |
|
Mp sin i
(M⨁)
|
2.78±0.35 |
|
Mp sin i
(MJup)
|
0.00875±0.00110 |
|
e
|
0 |
|
P
(days)
|
11.2201±0.0051 |
|
K
(m/s)
|
1.67±0.20 |
|
a
(au)
|
0.068±0.001 |
- RA
- 18h42m46.88s
- Dec
- +59d37m37.42s
- Distance
- 6.842357 pc
- Parallax
- 284.09 mas
- Ecliptic Latitude
- 81.56878 deg
- Ecliptic Longitude
- 309.78776 deg
- Galactic Latitude
- 24.2296 deg
- Galactic Longitude
- 89.28489 deg
- Total Proper Motion
- 2327.28±2.00 mas/yr
- Proper Motion (RA)
- -1400.75±2.00 mas/yr
- Proper Motion (Dec)
- 1858.53±2.00 mas/yr
- Photometry
- mV 9.7±0.1
- mTESS 7.321±0.033
- mJ 5.721±0.020
- mH 5.197±0.024
- mKs 5.000±0.023
- mIc ---
- mGaia ---
- mB ---
| Source | Ould-Elhkim et al. 2026 | Cortés-Zuleta et al. 2025 | TICv8 | Turnbull 2015 | Wright et al. 2004 | Nidever et al. 2002 | Hawley et al. 1996 | Duncan et al. 1991 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | --- | 0.654±0.085 | --- | --- | 0.5505 | --- |
|
Metallicity
(dex)
|
-0.28±0.10 [M/H] | --- | -0.92±0.07 [M/H] | --- | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- | --- | 16.434909±0.177833 | --- | --- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
0.25±0.02 | 0.25±0.02 | 0.2526250±0.0202044 | 0.30 | --- | --- | --- | --- | --- |
|
R✶
(R⦿)
|
0.280±0.005 | 0.280±0.005 | 0.2787990±0.0084533 | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.82±0.06 | --- | 4.9499600±0.0084643 | --- | --- | --- | --- | --- | --- |
|
Teff
(K)
|
3379±31 | 3379±31 | --- | --- | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
-2.038±0.003 | -2.038±0.003 | --- |
-2.000 +1.041-0.954
|
--- | --- | --- | --- | --- |
|
Sp. T
|
--- | M4 | --- | M3.5V | --- | --- | M3.5 | --- | K5 |
|
Prot
(days)
|
105.1±3.3 | 135±15 | --- | --- | --- | --- | --- | --- | --- |
|
Age
(Gyr)
|
8.70±2.10 | --- | --- | --- | --- | --- | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | --- | --- | 1.2 | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Ould-Elhkim et al. 2026 |
|---|---|
|
Teq
(K)
|
215±4 |
|
Mp sin i
(M⨁)
|
3.4±0.7 |
|
Mp sin i
(MJup)
|
0.011±0.002 |
|
P
(days)
|
37.90±0.17 |
|
K
(m/s)
|
1.7±0.3 |
|
a
(au)
|
0.139±0.004 |
- Status
- Candidate Planet
- Detected By
- Radial Velocity
- Tools
| Source | Ould-Elhkim et al. 2026 |
|---|---|
|
Teq
(K)
|
430±8 |
|
Mp sin i
(M⨁)
|
1.5±0.4 |
|
Mp sin i
(MJup)
|
0.0047±0.0013 |
|
P
(days)
|
4.765±0.004 |
|
K
(m/s)
|
1.4±0.3 |
|
a
(au)
|
0.035±0.001 |
Literature Stellar Spectra
(3 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 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 100 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
Literature Stellar Spectra
(3 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 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 100 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
Gl 725 A Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- Data Files
- 1 Associated Literature Data
Gl 725 B Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- Data Files
- 1 Associated Literature Data
-
The SPIRou Legacy Survey: Detection of a nearby world orbiting in the habitable zone of Gl 725B achieved by correcting strong telluric contamination in near-infrared radial velocities with wapiti
Ould-Elhkim et al. 2026 Reference Overview -
GI 725A b: A potential super-Earth detected with SOPHIE and SPIRou in an M dwarf binary system at 3.5 pc
Cortés-Zuleta et al. 2025 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview -
CPS
California Planet Search -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview -
Radial Velocities of 889 late-type stars
Nidever et al. 2002 Reference Overview -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 Reference Overview -
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 Reference Overview -
The Washington Double Star Catalog (WDS, 1996.0)
WDS Catalog Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs 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 -
Photometry of Stars with Large Proper Motion
Weis 1996 Reference Overview -
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview
- System
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- Controversial
- False Positive
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