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HD 181234 Overview

HD 181234 1.05 R⦿ 5331.30 K
HD 181234 b

HD 181234 Architecture & Discovery Information

Name 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+0.1298-0.1290
pc
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
mV
8.59±0.03
mTESS
7.8552±0.0060
mJ
7.152±0.026
mH
6.871±0.040
mKs
6.689±0.020
mGaia
8.369260±0.000376
mB
9.344±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
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
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
 --- --- --- --- --- --- ---
Print
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
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 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
P
(days)
7593.40512+113.61020-121.82598
7520+77-73
7450+120-100
7504+79-80
7462.0575+80.3550-76.7025
K
(m/s)
126.925+1.577-1.555
 --- ---
160+64-35
126.8+1.8-1.6
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
TC
(days)
--- --- ---
2457580+310-270
(BJD)
---
Tp
(days)
2450080.111+118.759-109.277
(BJD)
---
2457671.1+7.3-7.1
(JD)
---
2457668.7+5.5-5.0
(BJD)
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
 --- ---
i
(deg)
98.7320+24.4660-41.6100
79.0+35.0-21.0
57.3+5.5-5.0
 --- ---
Print
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
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  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
  • External Link
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