HD 181234 Overview
HD 181234
1.05
R⦿
5331.30
K
HD 181234 b
- Architecture
- HD 181234
- HD 181234
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| HD 181234 | HD 181234 b | 7593.41 d | 2980.91 M⨁ | Radial Velocity | 2019 | Rickman et al. 2019 | Confirmed Planet |
- RA
- 19h19m59.97s
- Dec
- -09d19m29.89s
- Distance
-
47.7458+0.1298-0.1290pc
- Parallax
- 20.9155000±0.0563509 mas
- Ecliptic Latitude
- 12.71994 deg
- Ecliptic Longitude
- 290.23835 deg
- Galactic Latitude
- -10.54743 deg
- Galactic Longitude
- 27.7801 deg
- Total Proper Motion
- 341.1276253±0.0978481 mas/yr
- Proper Motion (RA)
- -122.7510000±0.0975968 mas/yr
- Proper Motion (Dec)
- -318.2770000±0.0978854 mas/yr
- Photometry
-
mV8.59±0.03
-
mTESS7.8552±0.0060
-
mJ7.152±0.026
-
mH6.871±0.040
-
mKs6.689±0.020
-
mGaia8.369260±0.000376
-
mB9.344±0.000
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.40±0.08 dex
-
[C/H] 0.44±0.10 dex
-
[O/H] 0.28±0.02 dex
-
[Na/H] 0.36±0.10 dex
-
[Mg/H] 0.42±0.08 dex
-
[Al/H] 0.35±0.06 dex
-
[Si/H] 0.39±0.10 dex
-
[Ca/H] 0.44±0.10 dex
-
[Y/H] 0.20±0.08 dex
-
[BaII/H] 0.48±0.19 dex
| Source | An et al. 2025 | Xiao et al. 2023 | Feng et al. 2022 | Rosenthal et al. 2021 | TICv8 | Rickman et al. 2019 | Gaia DR2 | Valenti & Fischer 2005 | Wright et al. 2004 | Nidever et al. 2002 | Michigan Catalog, Vol. 5 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | --- | --- | --- | --- | --- | 0.153±0.020 | --- | --- | --- |
|
CAII LOG RHK
|
--- | --- | --- | --- | --- | --- | --- | --- | -5.08 | --- | --- | --- |
|
Teff
(K)
|
--- | 5386±60 | --- | 5372.82822772000±79.66896181595 |
5398.3100+91.2163-113.0900
|
5386±60 |
5331.3003+290.1997-60.3003
|
--- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
--- | --- | --- | --- |
-0.1034337+0.0095759-0.0089439
|
--- |
-0.098530383+0.001565689-0.001571348
|
--- | --- | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | --- | --- | --- | -46.420383966859710±0.482222528014010 | -46.4 | --- | -46.8 | --- | --- |
|
R✶
(R⦿)
|
--- | --- | --- | 1.05942343660000±0.02398584879675 |
1.0148900+0.0546352-0.0364955
|
1.05±0.07 |
1.0464565+0.0240799-0.1052541
|
--- | --- | --- | --- | --- |
|
Metallicity
(dex)
|
--- | 0.32±0.05 [Fe/H] | --- | 0.3772736381750±0.0561856457529 [Fe/H] | 0.3924±0.0240 [M/H] | 0.32±0.05 [Fe/H] | --- | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | 2.105 | --- | 2.0±0.5 | --- | --- | --- | --- |
|
Age
(Gyr)
|
--- | --- | --- | --- | --- | 6.32±2.58 | --- | --- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
1.011+0.051-0.050
|
1.01±0.06 | 0.9400±0.1180 | 0.97303970261200001±0.03715975667715000 |
0.94000000+0.14213000-0.09479930
|
1.01±0.06 | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
--- | 4.25±0.11 | --- | 4.3745460204400±0.0281077607854 |
4.3983600+0.0719675-0.0720105
|
4.25±0.11 | --- | --- | --- | --- | --- | --- |
|
Sp. T
|
--- | G8 IV | --- | --- | --- | G5 | --- | --- | --- | --- | G8 IV | G5 |
|
Prot
(days)
|
--- | --- | --- | --- | --- | 50.8±2.0 | --- | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- | --- | --- | --- |
1.2677482+0.2495393-0.2567985
|
--- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Radial Velocity
- Tools
- Planetary Systems
| Source | Feng et al. 2022 | An et al. 2025 | Xiao et al. 2023 | Rosenthal et al. 2021 | Rickman et al. 2019 |
|---|---|---|---|---|---|
|
Tp
(days)
|
2450080.111+118.759-109.277
(BJD)
|
--- |
2457671.1+7.3-7.1
(JD)
|
--- |
2457668.7+5.5-5.0
(BJD)
|
|
ω
(deg)
|
95.367+2.558-2.643
|
--- | 94.4±2.7 |
-69.0+140.0-14.0
|
93.3+1.7-1.8
|
|
Mp
(M⨁)
|
2980.9+321.0-315.6
|
3464+1335-477
|
3220+235-200
|
--- | --- |
|
Mp
(MJup)
|
9.3790+1.0100-0.9930
|
10.9+4.2-1.5
|
10.13+0.74-0.63
|
--- | --- |
|
Mp sin i
(M⨁)
|
--- | --- |
2711+118-121
|
2892+509-264
|
2660+108-114
|
|
Mp sin i
(MJup)
|
--- | --- |
8.53+0.37-0.38
|
9.10+1.60-0.83
|
8.37+0.34-0.36
|
|
e
|
0.726±0.010 |
0.808+0.110-0.090
|
0.7254±0.0094 |
0.792+0.069-0.083
|
0.73±0.01 |
|
i
(deg)
|
98.7320+24.4660-41.6100
|
79.0+35.0-21.0
|
57.3+5.5-5.0
|
--- | --- |
|
P
(days)
|
7593.40512+113.61020-121.82598
|
7520+77-73
|
7450+120-100
|
7504+79-80
|
7462.0575+80.3550-76.7025
|
|
a
(au)
|
7.427+0.304-0.340
|
7.57±0.14 |
7.52+0.16-0.17
|
7.43±0.11 | 7.52±0.16 |
|
K
(m/s)
|
126.925+1.577-1.555
|
--- | --- |
160+64-35
|
126.8+1.8-1.6
|
|
TC
(days)
|
--- | --- | --- |
2457580+310-270
(BJD)
|
--- |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 135 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 6 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 Associated Literature Data
-
Orbits and Masses for 156 Companions from Combined Astrometry and Radial Velocities, and a Validation of Gaia Non-single-star Solutions
An et al. 2025 | Reference Overview -
The Masses of a Sample of Radial-velocity Exoplanets with Astrometric Measurements
Xiao et al. 2023 | Reference Overview -
3D Selection of 167 Substellar Companions to Nearby Stars
Feng et al. 2022 | Reference Overview -
The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
Rosenthal et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
The CORALIE survey for southern extrasolar planets. XVIII. Three new massive planets and two low-mass brown dwarfs at greater than 5 AU separation
Rickman et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 | Reference Overview -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Radial Velocities of 889 late-type stars
Nidever et al. 2002 | Reference Overview -
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 5
Michigan Catalog, Vol. 5 | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | 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
- Search
- Browse
- Download
