GJ 832 Overview
GJ 832
0.48
R⦿
3657.00
K
Χ
GJ 832 c
GJ 832 b
- Other Data
- Bibliography 21
- Exoplanet Archive Notes 2
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| GJ 832 | GJ 832 c | Radial Velocity | 2014 | Wittenmyer et al. 2014 | False Positive Planet |
| GJ 832 | GJ 832 b | Radial Velocity | 2008 | Bailey et al. 2009 | Confirmed Planet |
GJ 832 c
- Confirmed planet signal refuted in ref. (Gorrini et al. 2022)
- The authors note that the data is equally well fit by a retrograde orbital inclination of 134 +/-3 deg. (Philipot et al. 2023)
- 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
-
mV8.66±0.10
-
mTESS6.680±0.032
-
mJ5.349±0.032
-
mH4.766±0.256
-
mKs4.501±0.018
-
mW14.298±0.297
-
mW23.775±0.183
-
mW34.157±0.013
-
mW44.052±0.025
-
mIc---
-
mGaia7.737610±0.000702
-
mB10.34±0.17
| Source | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(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⦿)
|
0.45±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 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- False Positive Planet
- Detected By
- Radial Velocity
- Tools
| Source | Wittenmyer et al. 2014 |
|---|---|
|
ω
(deg)
|
10±47 |
|
Mp sin i
(M⨁)
|
5.40±0.95 |
|
Mp sin i
(MJup)
|
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 |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Radial Velocity
- Tools
| Source | Philipot et al. 2023 | Xiao et al. 2023 | Wittenmyer et al. 2014 | Bonfils et al. 2013 | Bailey et al. 2009 |
|---|---|---|---|---|---|
|
Tp
(days)
|
2456696+454-338
|
2457470.0+327.0-294.0
|
--- | 2454224±302 | 2451211±353 |
|
ω
(deg)
|
207+22-31
|
213.0±33.0 | 246±22 | 254±35 | 304±38 |
|
Mp
(M⨁)
|
315+29-25
|
254+38-35
|
--- | --- | --- |
|
Mp
(MJup)
|
0.990+0.090-0.080
|
0.80+0.12-0.11
|
--- | --- | --- |
|
e
|
0.05±0.03 |
0.069+0.026-0.027
|
0.08 +0.02-0.06
|
0.08±0.05 | 0.12±0.11 |
|
i
(deg)
|
51±3 |
54.9+6.6-4.9
|
--- | --- | --- |
|
P
(days)
|
3853+51-47
|
3610±120 | 3657±104 | 3507±181 | 3416±131 |
|
a
(au)
|
3.7±0.1 |
3.53+0.15-0.16
|
3.56±0.28 | 3.46 | 3.4±0.4 |
|
Mp sin i
(M⨁)
|
--- |
209+21-20
|
216 +29-28
|
197.046±0 | 203.40±12.71 |
|
Mp sin i
(MJup)
|
--- |
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 |
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 |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
Multi techniques approach to identify and/or constrain radial velocity sub-stellar 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
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
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- Time Series
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