GJ 832

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
GJ 832
GJ 832 c	35.68 d	> 5.4 M_⨁	Radial Velocity	2014	Wittenmyer et al. 2014	False Positive Planet
GJ 832 b	3853 d	314.65 M_⨁	Radial Velocity	2008	Bailey et al. 2009	Confirmed Planet

Exoplanet Archive Notes (2)

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GJ 832 c

Confirmed planet signal refuted in ref. (Gorrini et al. 2022)

GJ 832 b

The authors note that the data is equally well fit by a retrograde orbital inclination of 134 +/-3 deg. (Philipot et al. 2023)

GJ 832 Stellar Parameters (12 Solutions)

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RA: 21h33m33.90s

Dec: -49d00m45.06s

Distance: 4.964350±0.001065 pc

Parallax: 201.4070000±0.0428854 mas

Ecliptic Latitude: -32.47811 deg

Ecliptic Longitude: 308.61359 deg

Galactic Latitude: -46.34872 deg

Galactic Longitude: 349.16814 deg

Total Proper Motion: 817.8892865±0.0637062 mas/yr

Proper Motion (RA): -45.834400±0.070741 mas/yr

Proper Motion (Dec): -816.6040000±0.0636828 mas/yr

Photometry: m_V
8.66±0.10; m_TESS
6.680±0.032; m_J
5.349±0.032; m_H
4.766±0.256; m_Ks
4.501±0.018; m_W1
4.298±0.297; m_W2
3.775±0.183; m_W3
4.157±0.013; m_W4
4.052±0.025; m_Ic
6.480; m_Gaia
7.737610±0.000702; m_B
10.34±0.17

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	An et al. 2025	Philipot et al. 2023	Xiao et al. 2023	TICv8	Gaia DR2	Turnbull 2015	Wittenmyer et al. 2014	Sanz-Forcada et al. 2010	Bailey et al. 2009	Hawley et al. 1996	Michigan Catalog, Vol. 2	Cannon & Pickering 1918
T_eff (K)	---	---	3472	---	3993.4624+119.5880-127.8220	3601	3472	---	3657	---	---	---
Metallicity (dex)	---	---	-0.3 [Fe/H]	---	---	---	-0.3±0.2 [Fe/H]	---	-0.7 [Fe/H]	---	---	---
M_✶ (M_⦿)	0.4491+0.0087-0.0091	0.45±0.01	0.45±0.05	0.437474±0.020231	---	0.41	0.45±0.05	---	0.45±0.05	---	---	---
R_✶ (R_⦿)	---	---	---	0.4415570±0.0130688	---	0.45	---	---	0.48	---	---	---
log g (log₁₀(cm/s²))	---	---	4.7	4.7890500±0.0056169	---	---	4.7	---	4.7	---	---	---
Sp. T	---	M2/3 V	M1 V	---	---	M1.5V	---	---	M1.5	M1.5	M2/3 V	Ma
L_✶ (log₁₀(L_⦿))	---	---	---	---	---	-1.523 +0.602-0.301	-1.585	---	---	---	---	---
γ (km/s)	---	---	---	---	12.522688429165999±0.149704413481675	---	---	---	---	---	---	---
Age (Gyr)	---	8.10±4.20	---	---	---	---	---	9.24	---	---	---	---
ρ_✶ (g/cm³)	---	---	---	7.1640323±0.3049186	---	---	---	---	---	---	---	---
v sin i (km/s)	---	2.1	---	---	---	---	---	---	---	---	---	---
CAII LOG RHK	---	-5.18	---	---	---	---	---	---	---	---	---	---

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GJ 832 c Planetary Parameters (1 Solution)

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Status: False Positive Planet

Detected By: Radial Velocity

Tools

Source	Wittenmyer et al. 2014
ω (deg)	10±47
M_p sin i (M_⨁)	5.40±0.95
M_p sin i (M_Jup)	0.017±0.003
e	0.18±0.13
P (days)	35.68±0.03
K (m/s)	1.79±0.27
a (au)	0.163±0.006

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GJ 832 b Planetary Parameters (6 Solutions)

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Status: Confirmed Planet

Detected By: Astrometry, Radial Velocity

Tools: Planetary Systems

Source	Philipot et al. 2023	An et al. 2025	Xiao et al. 2023	Wittenmyer et al. 2014	Bonfils et al. 2013	Bailey et al. 2009
M_p (M_⨁)	315+29-25	330.2+14.0-13.7	254+38-35	---	---	---
M_p (M_Jup)	0.990+0.090-0.080	1.039+0.044-0.043	0.80+0.12-0.11	---	---	---
e	0.05±0.03	0.021+0.027-0.015	0.069+0.026-0.027	0.08 +0.02-0.06	0.08±0.05	0.12±0.11
i (deg)	51±3	131.6+2.7-3.4	54.9+6.6-4.9	---	---	---
P (days)	3853+51-47	3795+106-80	3610±120	3657±104	3507±181	3416±131
a (au)	3.7±0.1	3.651+0.071-0.059	3.53+0.15-0.16	3.56±0.28	3.46	3.4±0.4
T_p (days)	2456696+454-338 (BJD)	---	2457470.0+327.0-294.0 (JD)	---	2454224±302	2451211±353
ω (deg)	207+22-31	---	213.0±33.0	246±22	254±35	304±38
M_p sin i (M_⨁)	---	---	209+21-20	216 +29-28	197.046±0	203.40±12.71
M_p sin i (M_Jup)	---	---	0.657+0.066-0.063	0.68±0.09	0.62	0.64±0.06
K (m/s)	---	---	---	15.4±0.7	---	14.9±1.3

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Ancillary Information (2 Unique Files)

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+ GJ 832 (2 File Types, 2 Files)

Literature Time Series (2 File Types, 2 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	102	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	32	Optical Spectra	Bailey et al. 2009

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 1 2MASS Point Source Catalog

Data Files: 1 SuperWASP Time Series; 1 Associated Literature Data

Bibliography (22 References)

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Orbits and Masses for 156 Companions from Combined Astrometry and Radial Velocities, and a Validation of Gaia Non-single-star Solutions
An et al. 2025 Reference Overview
A multi-technique approach to identifying and/or constraining radial-velocity substellar companions
Philipot et al. 2023 Reference Overview
The Masses of a Sample of Radial-velocity Exoplanets with Astrometric Measurements
Xiao et al. 2023 Reference Overview
Detailed stellar activity analysis and modelling of GJ 832. Reassessment of the putative habitable zone planet GJ 832c
Gorrini et al. 2022 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
GJ 832c: A Super-Earth in the Habitable Zone
Wittenmyer et al. 2014 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
The HARPS search for southern extra-solar planets XXXI. The M-dwarf sample
Bonfils et al. 2013 Reference Overview
A scenario of planet erosion by coronal radiation
Sanz-Forcada et al. 2010 Reference Overview
A Jupiter-like Planet Orbiting the Nearby M Dwarf GJ832
Bailey et al. 2009 Reference Overview
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 Reference Overview
Further observations of Hipparcos red stars and standards for UBV(RI)_C photometry
Kilkenny 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
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 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
VRI photometry of nearby stars.
Cousins 1980a Reference Overview
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 2
Michigan Catalog, Vol. 2 Reference Overview
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview

Legend

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System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
Search
Browse
Download

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/GJ_832.json

Catalog Parameters

RA

ra

21h33m33.90s

Dec

dec

-49d00m45.06s

β

elat

-32.47811

λ

elon

308.61359

b

glat

-46.34872

l

glon

349.16814

m_V

sy_vmag

8.66±0.10

m_TESS

sy_tmag

6.680±0.032

m_J

sy_jmag

5.349±0.032

m_H

sy_hmag

4.766±0.256

m_Ks

sy_kmag

4.501±0.018

sy_kepmag

no_data

m_W1

sy_w1mag

4.298±0.297

m_W2

sy_w2mag

3.775±0.183

m_W3

sy_w3mag

4.157±0.013

m_W4

sy_w4mag

4.052±0.025

m_Ic

sy_icmag

6.480

m_Gaia

sy_gaiamag

7.737610±0.000702

m_B

sy_bmag

10.34±0.17

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

817.8892865±0.0637062

μ_δ

sy_pmdec

-816.6040000±0.0636828

μ_α

sy_pmra

-45.834400±0.070741

π

sy_plx

201.4070000±0.0428854

Distance

sy_dist

4.964350±0.001065

Set Parameters

R_✶

st_rad

0.48

T_eff

st_teff

3657

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GJ 832 Architecture & Discovery Information

GJ 832