HD 39855 Overview
HD 39855
0.79
R⦿
5576.00
K
HD 39855 b
HD 39855 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| HD 39855 | ||||||
| HD 39855 b | 3.25 d | > 8.5 M⨁ | Radial Velocity | 2019 | Feng et al. 2019 | Confirmed Planet |
- RA
- 05h54m30.26s
- Dec
- -19d42m16.01s
- Distance
-
23.2599+0.0188-0.0189pc
- Parallax
- 42.9636000±0.0345634 mas
- Ecliptic Latitude
- -43.13527 deg
- Ecliptic Longitude
- 88.22351 deg
- Galactic Latitude
- -21.08506 deg
- Galactic Longitude
- 224.96554 deg
- Total Proper Motion
- 96.0233904±0.0473255 mas/yr
- Proper Motion (RA)
- 92.8543000±0.0460827 mas/yr
- Proper Motion (Dec)
- -24.4657000±0.0625453 mas/yr
- Photometry
-
mV7.51±0.03
-
mTESS6.8545±0.0060
-
mJ6.207±0.039
-
mH5.836±0.018
-
mKs5.756±0.026
-
mW15.851±0.194
-
mW25.646±0.064
-
mW35.784±0.012
-
mW45.719±0.040
-
mGaia7.32113±0.00018
-
mB8.152±0.040
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.43±0.04 dex
-
[C/H] -0.48±0.09 dex
-
[Na/H] -0.49±0.04 dex
-
[Mg/H] -0.36±0.07 dex
-
[Al/H] -0.41±0.06 dex
-
[Si/H] -0.43±0.05 dex
-
[Ca/H] -0.42±0.06 dex
-
[BaII/H] -0.44±0.19 dex
| Source | TICv8 | Feng et al. 2019 | Gaia DR2 | Turnbull 2015 | Gray et al. 2006 | Nordstrom et al. 2004 | Michigan Catalog, Vol. 4 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5528.000+111.793-152.612
|
5576+50-46
|
5575.5+49.5-45.5
|
5510 | --- | --- | --- | --- |
|
M✶
(M⦿)
|
0.9700000+0.1359970-0.1149970
|
0.87±0.05 | --- | 0.85 | --- | --- | --- | --- |
|
Sp. T
|
--- | G8 V | --- | G6V | G8 V Fe-0.7 | --- | G6 V | G5 |
|
L✶
(log10(L⦿))
|
-0.3148363+0.0096070-0.0097742
|
--- |
-0.31624782+0.00053882-0.00053950
|
-0.284 +0.055-0.063
|
--- | --- | --- | --- |
|
R✶
(R⦿)
|
0.7587490+0.0489854-0.0361050
|
--- |
0.74466527+0.01230443-0.01304847
|
0.79 | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.6646400+0.0870960-0.0778508
|
--- | --- | 4.63 | --- | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | 42.583864347784953±0.163036699124333 | --- | --- | 42.1±0.2 | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | 3 | --- | --- |
|
ρ✶
(g/cm3)
|
3.1307026+0.9025468-0.5283987
|
--- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Feng et al. 2019 |
|---|---|
|
ω
(deg)
|
102.97±79.77 |
|
Mp sin i
(M⨁)
|
8.5±1.5 |
|
Mp sin i
(MJup)
|
0.027±0.005 |
|
e
|
0.14±0.11 |
|
P
(days)
|
3.2498±0.0004 |
|
K
(m/s)
|
4.08±0.71 |
|
a
(au)
|
0.041±0.001 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 147 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Search for Nearby Earth Analogs. I. 15 Planet Candidates Found in PFS Data
Feng et al. 2019 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 -
All WISE Data Release
Cutri et al. 2014 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 4
Michigan Catalog, Vol. 4 Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview
- System
- Star
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- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
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