GJ 143 Overview
GJ 143
0.76
R⦿
4723.00
K
HD 21749 c
0.080
RJup
GJ 143 b
0.233
RJup
- Architecture
- GJ 143
- GJ 143
- Other Data
- Bibliography 17
- Exoplanet Archive Notes 1
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| GJ 143 | HD 21749 c | Transit | 2019 | Dragomir et al. 2019 | Confirmed Planet |
| GJ 143 | GJ 143 b | Transit | 2019 | Trifonov et al. 2019 | Confirmed Planet |
GJ 143 b
- Planet also independently announced in this ref. (Dragomir et al. 2019)
- RA
- 03h27m00.05s
- Dec
- -63d30m00.60s
- Distance
- 16.3200±0.0071 pc
- Parallax
- 61.2455000±0.0263568 mas
- Ecliptic Latitude
- -73.83641 deg
- Ecliptic Longitude
- 352.87836 deg
- Galactic Latitude
- -45.82079 deg
- Galactic Longitude
- 279.23027 deg
- Total Proper Motion
- 432.8060751±0.0461542 mas/yr
- Proper Motion (RA)
- 355.0840000±0.0449355 mas/yr
- Proper Motion (Dec)
- -247.4600000±0.0485673 mas/yr
- Photometry
-
mV8.08±0.03
-
mTESS6.9934±0.0060
-
mJ6.081±0.020
-
mH5.524±0.031
-
mKs5.375±0.024
-
mIc---
-
mGaia7.67906±0.00026
-
mB9.214±0.023
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.01±0.04 dex
-
[C/H] -0.11±0.09 dex
-
-
[Na/H] 0.09±0.16 dex
-
[Mg/H] -0.03±0.06 dex
-
[Al/H] 0.28±0.14 dex
-
[Si/H] -0.03±0.07 dex
-
[Ca/H] 0.12±0.08 dex
-
-
[BaII/H] -0.04±0.15 dex
| Source | TICv8 | Dragomir et al. 2019 | Trifonov et al. 2019 | Gaia DR2 | Turnbull 2015 | Sousa et al. 2008 | Gray et al. 2006 | Michigan Catalog, Vol. 1 | Cannon & Pickering 1918 | ExoFOP-TESS TOI | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4628.530+106.954-193.953
|
4640±100 | --- |
4628.4727+36.2607-88.5894
|
4571 | 4723±143 | --- | --- | --- | 4628.5300±91.9226 | 4628.5300±91.9226 | ||
|
L✶
(log10(L⦿))
|
-0.6865838+0.0271252-0.0166100
|
-0.68620+0.00034-0.00034
|
-0.706+0.007-0.007
|
-0.68619862+0.00033018-0.00033045
|
-0.638 +0.101-0.131
|
-0.733+0.045-0.050
|
--- | --- | --- | --- | --- | ||
|
Metallicity
(dex)
|
0.00265490±0.05268040 [M/H] | 0.0030±0.0600 [Fe/H] | --- | --- | --- | -0.02±0.08 [Fe/H] | --- | --- | --- | --- | --- | ||
|
M✶
(M⦿)
|
0.7300000+0.0877656-0.0877931
|
0.73±0.07 |
0.76+0.03-0.02
|
--- | 0.68 | 0.759 | --- | --- | --- | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.6044400+0.0810223-0.1409390
|
4.613+0.052-0.061
|
--- | --- | --- | 4.40±0.33 | --- | --- | --- | 4.322390±0.236802 | 4.322390±0.236802 | ||
|
R✶
(R⦿)
|
0.7054640+0.0819769-0.0451387
|
0.695±0.030 | 0.73±0.01 |
0.70579392+0.02781391-0.01093012
|
0.76 | --- | --- | --- | --- | 0.71±0.06 | 0.71±0.06 | ||
|
Sp. T
|
--- | K4.5 | --- | --- | K4V | --- | K4.5 V | K4 V | K0 | --- | --- | ||
|
Age
(Gyr)
|
--- | 3.8±3.7 | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
2.9313249+0.9765458-0.9765021
|
3.03+0.50-0.47
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
γ
(km/s)
|
--- | --- | --- | 59.461942562379768±0.124079055076987 | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Dragomir et al. 2019 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
a/R✶
|
21.8±1.2 | --- | ||
|
Tp
(days)
|
2458332.2789+0.0026-0.0027
|
--- | ||
|
Teq
(K)
|
701+25-23
|
966 | ||
|
b
|
0.42+0.11-0.18
|
--- | ||
|
Mp
(M⨁)
|
<3.70 | --- | ||
|
Mp
(MJup)
|
<0.0116 | --- | ||
|
i
(deg)
|
88.90+0.50-0.37
|
--- | ||
|
P
(days)
|
7.78993+0.00051-0.00044
|
7.7897726±0.0000193 | ||
|
ρ
(g/cm3)
|
<31.93 | --- | ||
|
Rp
(R⨁)
|
0.892+0.064-0.058
|
1.000840±0.107854 | ||
|
Rp
(RJup)
|
0.0796+0.0057-0.0052
|
0.08928912±0.00962211 | ||
|
Rp/R✶
|
0.01196+0.00051-0.00052
|
--- | ||
|
K
(m/s)
|
<1.43 | --- | ||
|
a
(au)
|
0.0695+0.0021-0.0023
|
--- | ||
|
T14
(hours)
|
2.515+0.077-0.086
|
2.376±0.744 | ||
|
TC
(days)
|
2458371.2287+0.0016-0.0015
|
2460201.8249410±0.0026809 | ||
|
S
(S⨁)
|
--- | 144.765 | ||
|
δ
(%)
|
--- | 0.01940000±0.00196709 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Dragomir et al. 2019 | Trifonov et al. 2019 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|
|
Teq
(K)
|
422+15-14
|
--- | 505 | ||
|
S
(S⨁)
|
--- | --- | 10.8612 | ||
|
P
(days)
|
35.61253+0.00060-0.00062
|
35.589+0.006-0.005
|
35.6134391±0.0000324 | ||
|
Rp
(R⨁)
|
2.61+0.17-0.16
|
--- | 3.121940±0.291907 | ||
|
Rp
(RJup)
|
0.233+0.015-0.014
|
--- | 0.2785213±0.0260422 | ||
|
δ
(%)
|
--- | --- | 0.15750000±0.00809712 | ||
|
T14
(hours)
|
3.230+0.041-0.038
|
--- | 3.512±0.737 | ||
|
TC
(days)
|
2458385.92502+0.00054-0.00055
|
--- | 2460202.2109880±0.0008449 | ||
|
a/R✶
|
60.1+3.2-3.3
|
--- | --- | ||
|
Tp
(days)
|
2458350.8+1.6-1.1
|
--- | --- | ||
|
b
|
0.587+0.097-0.150
|
--- | --- | ||
|
ω
(deg)
|
98.0+21.0-17.0
|
121.8+19.2-19.1
|
--- | ||
|
Mp
(M⨁)
|
22.7+2.2-1.9
|
30.63+2.63-2.67
|
--- | ||
|
Mp
(MJup)
|
0.0714+0.0069-0.0060
|
0.09637+0.00827-0.00840
|
--- | ||
|
e
|
0.188+0.076-0.078
|
0.325±0.079 | --- | ||
|
i
(deg)
|
89.33+0.15-0.11
|
--- | --- | ||
|
ρ
(g/cm3)
|
7.0+1.6-1.3
|
--- | --- | ||
|
Rp/R✶
|
0.0350+0.0011-0.0010
|
--- | --- | ||
|
K
(m/s)
|
5.51+0.41-0.33
|
7.60+0.64-0.65
|
--- | ||
|
a
(au)
|
0.1915+0.0058-0.0063
|
0.1932±0.0002 | --- |
Literature Stellar Spectra
(1 File)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | Infrared | Lawler et al. 2009 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 123 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 2 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 2 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
TESS Delivers Its First Earth-sized Planet and a Warm Sub-Neptune
Dragomir et al. 2019 | Reference Overview -
TESS exoplanet candidates validated with HARPS archival data. A massive Neptune around GJ 143 and two Neptunes around HD 23472
Trifonov et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
Explorations Beyond the Snow Line: Spitzer/IRS Spectra of Debris Disks Around Solar-Type Stars
Lawler et al. 2009 | Reference Overview -
Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes
Sousa et al. 2008 | Reference Overview -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample
Gray et al. 2006 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
BVRI photometry of the Gliese Catalogue stars
Bessell 1990 | Reference Overview -
VRI photometry of nearby stars.
Cousins 1980a | Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 1
Michigan Catalog, Vol. 1 | 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
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
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