CoRoT-8 Overview
-
Star:
CoRoT-8
- Stellar Radius: 0.56 Solar Radius
- Stellar Effective Temperature: 5143.00 K
-
Planet:
CoRoT-8 b
- Disposition Confirmed
- Planet Radius 0.570 Jupiter Radius
CoRoT-8 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| CoRoT-8 | ||||||
| CoRoT-8 b | 6.21 d | 6.39 R⨁ | Transit | 2010 | Borde et al. 2010 | Confirmed Planet |
CoRoT-8
- Stellar age value/uncertainties taken from Table 8 in ref. (Raetz et al. 2019)
- RA
- 19h26m21.26s
- Dec
- +01d25m34.67s
- Distance
- 322.037±2.714 pc
- Parallax
- 3.0766200±0.0259729 mas
- Ecliptic Latitude
- 23.11609 deg
- Ecliptic Longitude
- 293.57027 deg
- Galactic Latitude
- -7.10426 deg
- Galactic Longitude
- 38.21286 deg
- Total Proper Motion
- 35.4833440±0.0427681 mas/yr
- Proper Motion (RA)
- 13.5768000±0.0475751 mas/yr
- Proper Motion (Dec)
- -32.7832000±0.0418883 mas/yr
- Photometry
- mV 14.792±0.034
- mTESS 13.4202±0.0061
- mJ 12.154±0.023
- mH 11.641±0.024
- mKs 11.463±0.021
- mW1 11.401±0.024
- mW2 11.465±0.022
- mW3 11.567±0.228
- mW4 8.22
- mGaia 14.219500±0.000262
- mB 16.005±0.064
- mi ---
- mr ---
-
Abundances
(Hypatia Catalog) - [Fe/H] 0.43±0.04 dex
- [Na/H] 0.42±0.04 dex
- [Mg/H] 0.28±0.07 dex
- [Al/H] 0.36±0.06 dex
- [Si/H] 0.22±0.05 dex
- [Ca/H] 0.26±0.06 dex
| Source | TICv8 | Raetz et al. 2019 | Gaia DR2 | Bonomo et al. 2017 | Mortier et al. 2013 | Southworth 2011 | Borde et al. 2010 | ExoFOP | ||
|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5143.0±178.0 | --- |
4396.593+274.777-181.718
|
5080±80 | 5143±178 | 5080±80 | 5080±80 | 5143±178 | ||
|
L✶
(log10(L⦿))
|
-0.6988087 | -0.40±0.05 |
-0.66458657+0.00913440-0.00933068
|
--- | --- | --- | --- | --- | ||
|
Metallicity
(dex)
|
0.22±0.11 [M/H] | --- | --- | 0.300±0.100 | 0.22±0.11 [Fe/H] | 0.31±0.05 [Fe/H] | 0.3±0.1 [M/H] | --- | ||
|
ρ✶
(g/cm3)
|
6.8428880 | 2.44±0.37 | --- | --- | 1.21±0.32 | 1.70±0.45 | 2.7±0.1 | --- | ||
|
M✶
(M⦿)
|
0.868 | 0.89±0.04 | --- | 0.880±0.040 | 0.88±0.12 | 0.878±0.085 | 0.88±0.04 | --- | ||
|
R✶
(R⦿)
|
0.563398 | 0.802±0.014 |
0.8019123+0.0706369-0.0915649
|
0.770±0.020 | 0.99±0.51 | 0.898±0.091 | 0.77±0.02 | 0.563398003578186 | ||
|
log g
(log10(cm/s2))
|
4.87496 | 4.58±0.01 | --- | --- | 4.42±0.33 | 4.475±0.077 | 4.58±0.08 | 4.87496 | ||
|
Age
(Gyr)
|
--- |
1.70+2.28-1.40
|
--- |
3.00+0.00-3.00
|
--- | --- | 3 | --- | ||
|
γ
(km/s)
|
--- | --- | --- | --- | --- | --- | -37.468±0.003 | --- | ||
|
v sin i
(km/s)
|
--- | --- | --- | 2.0±1.0 | --- | --- | 2±1 | --- | ||
|
Sp. T
|
--- | --- | --- | --- | --- | --- | K1 V | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Borde et al. 2010 | Raetz et al. 2019 | Bonomo et al. 2017 | Southworth 2011 | ExoFOP | ||
|---|---|---|---|---|---|---|---|
|
a/R✶
|
17.6±0.4 |
13.7+1.0-0.8
|
--- |
15.175+1.409-1.188
|
--- | ||
|
Teq
(K)
|
--- | 870±14 | --- | 922±41 | 538.1197920044447 | ||
|
Mp
(M⨁)
|
69.92±9.53 | 69.3±10.8 |
69.3+10.5-13.0
|
68.7±11.4 | --- | ||
|
Mp
(MJup)
|
0.22±0.03 | 0.218±0.034 |
0.218+0.033-0.041
|
0.216±0.036 | --- | ||
|
i
(deg)
|
88.4±0.1 | 88.18±0.08 | 88.400±0.100 | 87.44±0.56 | --- | ||
|
P
(days)
|
6.21229±0.00003 | 6.212445±0.000007 | 6.212381±0.000057 | 6.21229±0.00003 | 6.21231135156±0.00008793825 | ||
|
ρ
(g/cm3)
|
1.6±0.1 | 1.1±0.2 | 1.45±0.29 | 0.740±0.280 | --- | ||
|
Rp
(R⨁)
|
6.39±0.22 |
6.94+0.18-0.19
|
6.39±0.22 | 7.98±0.94 | 5.072483373009263±2.080921600000000 | ||
|
Rp
(RJup)
|
0.57±0.02 |
0.619+0.016-0.017
|
0.570±0.020 | 0.712±0.084 | 0.4525374348275275±0.1856477101437065 | ||
|
K
(m/s)
|
26±4 | --- |
27.6+5.8-4.7
|
26±4 | --- | ||
|
a
(au)
|
0.063±0.001 | 0.0636±0.0014 |
0.06339+0.00096-0.00098
|
0.0633±0.0021 | --- | ||
|
TC
(days)
|
2454238.9743±0.0004
(HJD)
|
2454239.03317±0.00049
(BJD-TDB)
|
2454239.03384±0.00078
(BJD-TDB)
|
2454239.03311±0.00078
(HJD)
|
2459774.31043500±0.00370147
(BJD)
|
||
|
e
|
0 | --- | <0.19 | --- | --- | ||
|
S
(S⨁)
|
--- | --- | --- | --- | 19.816952315685405 | ||
|
δ
(%)
|
0.651±0.007 | --- | --- | --- | 0.822061225384596±0.095210370000000 | ||
|
T14
(hours)
|
2.74±0.02 | --- | --- | --- | 2.525703928380437±0.700062160000000 | ||
|
b
|
0.49±0.04 |
0.54+0.03-0.02
|
--- | --- | --- | ||
|
Rp/R✶
|
0.075±0.001 |
0.0849+0.0020-0.0022
|
--- | --- | --- |
Literature Time Series
(1 File Type, 2 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Radial Velocity Curve | 19 | Optical Spectra | Borde et al. 2010 |
| Radial Velocity Curve | 2 | Optical Spectra | Borde et al. 2010 |
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 CoRot Exoplanet Time Series
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Transit analysis of the CoRoT-5, CoRoT-8, CoRoT-12, CoRoT-18, CoRoT-20, and CoRoT-27 systems with combined ground- and space-based photometry
Raetz et al. 2019 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
ExoFOP TOI Table
ExoFOP -
The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets
Bonomo et al. 2017 Reference Overview -
All WISE Data Release
Cutri et al. 2014 Reference Overview -
New and updated stellar parameters for 90 transit hosts. The effect of the surface gravity
Mortier et al. 2013 Reference Overview -
Homogeneous studies of transiting extrasolar planets - IV. Thirty systems with space-based light curves
Southworth 2011 Reference Overview -
Transiting exoplanets from the CoRoT space mission. XI. CoRoT-8b: a hot and dense sub-Saturn around a K1 dwarf
Borde et al. 2010 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog 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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