HD 13808 Overview
HD 13808
0.82
R⦿
5087.00
K
HD 13808 b
HD 13808 c
- Architecture
- HD 13808
- HD 13808
- Other Data
- Bibliography 12
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 13808 | HD 13808 b | Radial Velocity | 2021 | Ahrer et al. 2021 | Confirmed Planet |
| HD 13808 | HD 13808 c | Radial Velocity | 2021 | Ahrer et al. 2021 | Confirmed Planet |
- RA
- 02h12m42.74s
- Dec
- -53d44m37.53s
- Distance
-
28.2305+0.0257-0.0258pc
- Parallax
- 35.3938000±0.0320625 mas
- Ecliptic Latitude
- -60.29349 deg
- Ecliptic Longitude
- 357.24405 deg
- Galactic Latitude
- -59.46088 deg
- Galactic Longitude
- 279.09436 deg
- Total Proper Motion
- 112.2799785±0.0518077 mas/yr
- Proper Motion (RA)
- -107.9230000±0.0523267 mas/yr
- Proper Motion (Dec)
- 30.9745000±0.0450324 mas/yr
- Photometry
-
mV8.36±0.03
-
mTESS7.5613±0.0060
-
mJ6.776±0.021
-
mH6.383±0.036
-
mKs6.250±0.024
-
mW16.200±0.108
-
mW26.099±0.028
-
mW36.253±0.015
-
mW46.207±0.051
-
mGaia8.110060±0.000272
-
mB9.232±0.027
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.16±0.06 dex
-
[C/H] 0.03±0.12 dex
-
[O/H] 0.01±0.09 dex
-
[Na/H] -0.09±0.06 dex
-
[Mg/H] -0.10±0.03 dex
-
[Al/H] -0.06±0.06 dex
-
[Si/H] -0.12±0.03 dex
-
[Ca/H] -0.09±0.13 dex
-
[Y/H] -0.05±0.08 dex
-
[BaII/H] -0.11±0.02 dex
| Source | Ahrer et al. 2021 | TICv8 | Gaia DR2 | Turnbull 2015 | Sousa et al. 2008 | Gray et al. 2006 | Nordstrom et al. 2004 | Michigan Catalog, Vol. 1 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5035±50 |
5068.410+98.453-108.562
|
5085.75+72.79-51.61
|
5034 | 5087±41 | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
-0.4337868+0.0101315-0.0092518
|
-0.434550+0.000627-0.000627
|
-0.409 +0.072-0.086
|
-0.434+0.023-0.024
|
--- | --- | --- | --- |
|
Metallicity
(dex)
|
-0.21±0.02 [Fe/H] | -0.206923±0.016641 [M/H] | --- | --- | -0.20±0.03 [Fe/H] | --- | --- | --- | --- |
|
M✶
(M⦿)
|
0.771±0.022 |
0.8500000+0.0952117-0.1078650
|
--- | 0.78 | 0.699 | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
--- |
4.5754600+0.0746038-0.0818635
|
--- | 4.5 | 4.40±0.08 | --- | --- | --- | --- |
|
R✶
(R⦿)
|
0.781+0.017-0.022
|
0.7870740+0.0419332-0.0393834
|
0.78103+0.01610-0.02189
|
0.82 | --- | --- | --- | --- | --- |
|
Sp. T
|
K2 V | --- | --- | K2V | --- | K2 V | --- | K2 V | K0 |
|
γ
(km/s)
|
--- | --- | 40.89896226370±0.18131621554 | --- | --- | --- | 40.4±0.2 | --- | --- |
|
Age
(Gyr)
|
7.2±4.8 | --- | --- | --- | --- | --- | --- | --- | --- |
|
Prot
(days)
|
38.99±0.47 | --- | --- | --- | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | --- | 2 | --- | --- |
|
ρ✶
(g/cm3)
|
--- |
2.4577502+0.5576977-0.5238971
|
--- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Ahrer et al. 2021 |
|---|---|
|
Mp sin i
(M⨁)
|
11.20+1.20-0.66
|
|
Mp sin i
(MJup)
|
0.03524+0.00378-0.00208
|
|
e
|
0.0710+0.0270-0.0470
|
|
P
(days)
|
14.1815±0.0015 |
|
K
(m/s)
|
3.67±0.22 |
|
a
(au)
|
0.10519+0.00093-0.00110
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Ahrer et al. 2021 |
|---|---|
|
Mp sin i
(M⨁)
|
9.960+1.800-0.960
|
|
Mp sin i
(MJup)
|
0.03134+0.00566-0.00302
|
|
e
|
0.156+0.050-0.061
|
|
P
(days)
|
53.753+0.050-0.082
|
|
K
(m/s)
|
2.18+0.22-0.20
|
|
a
(au)
|
0.2554+0.0028-0.0023
|
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 104 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 2 Confirmed Planets
- 6 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
-
The HARPS search for southern extra-solar planets XLV. Two Neptune mass planets orbiting HD13808: a study of stellar activity modellings impact on planet detection
Ahrer et al. 2021 | 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 -
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 -
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | 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 -
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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