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HD 171028 Overview

  • Star: HD 171028
    • Stellar Radius: 1.95 Solar Radius
    • Stellar Effective Temperature: 5663.00 K
    • Planet: HD 171028 b
      • Disposition Confirmed

HD 171028 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
HD 171028
HD 171028 b 550 d > 832.71 M⨁ Radial Velocity 2007 Santos et al. 2007 Confirmed Planet
RA
18h32m15.45s
Dec
+06d56m44.46s
Distance
111.659+0.627-0.621
pc
Parallax
8.9273800±0.0496884 mas
Ecliptic Latitude
30.12596 deg
Ecliptic Longitude
279.2613 deg
Galactic Latitude
7.41135 deg
Galactic Longitude
36.96748 deg
Total Proper Motion
45.3213572±0.0836591 mas/yr
Proper Motion (RA)
-42.8694000±0.0844311 mas/yr
Proper Motion (Dec)
-14.7051000±0.0767851 mas/yr
Photometry
mV 8.292±0.002
mTESS 7.64925±0.00650
mJ 6.990±0.027
mH 6.663±0.036
mKs 6.604±0.027
mW1 6.55±0.05
mW2 6.487±0.021
mW3 6.534±0.016
mW4 6.476±0.064
mGaia 8.102330±0.000447
mB 8.934±0.026
Abundances
(Hypatia Catalog)
[Fe/H] -0.45±0.11 dex
[C/H] -0.40±0.02 dex
[O/H] -0.33±0.09 dex
[Na/H] -0.33±0.04 dex
[Mg/H] -0.33±0.07 dex
[Al/H] -0.43±0.01 dex
[Si/H] -0.37±0.01 dex
[Ca/H] -0.34±0.01 dex
[BaII/H] -0.37±0.04 dex
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8 Gaia DR2 Stassun et al. 2017 Jofré et al. 2015 Mortier et al. 2013 Santos et al. 2011 Santos et al. 2007 AGK 3 Catalog
Teff
(K)
5675.850+138.451-158.041
5662.25+33.50-13.25
 5671±16 5721±37 5671±16 --- 5663±20 ---
Metallicity
(dex)
-0.4780000±0.0089443 [M/H] --- -0.48 [Fe/H] 0.47±0.02 [Fe/H] -0.48±0.01 [Fe/H] --- -0.49±0.02 [Fe/H] ---
v sin i
(km/s)
--- --- --- 2.14±0.40 --- --- 2.3 ---
Age
(Gyr)
--- --- --- 8.59±2.34 --- --- 8.5±2.5 ---
M✶
(M⦿)
1.009000+0.117106-0.139524
 --- 1.53±0.13 1.00±0.07 1.01±0.06 --- 0.99±0.08 ---
R✶
(R⦿)
2.535380+0.253273-0.195370
2.4161766+0.0113477-0.0283382
 2.47±0.07 1.88±0.20 --- --- 1.95±0.26 ---
log g
(log10(cm/s2))
3.633870+0.100845-0.104132
 --- 3.84±0.03 3.96±0.03 3.84±0.03 --- 3.84±0.05 ---
Sp. T
--- --- --- --- --- --- G0 G0
L✶
(log10(L⦿))
0.7789038+0.0713984-0.0356649
0.73290817+0.00331912-0.00334464
 --- 0.57±0.18 --- --- --- ---
γ
(km/s)
--- 13.476554677129894±0.276128127851349 --- --- --- 13.641±0.001 --- ---
ρ✶
(g/cm3)
0.08728280+0.02408630-0.02608010
 --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Stassun et al. 2017 Santos et al. 2011
Tp
(days)
--- 2454187±1
ω
(deg)
--- 304±1
Mp sin i
(M⨁)
833±51 629.28
Mp sin i
(MJup)
2.62±0.16 1.98
e
0.59±0.01 0.59±0.01
P
(days)
550.00000±3.00000 550±3
K
(m/s)
60.6±1.0 60.6±1.0
a
(au)
1.32±0.03 1.32
Print
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Radial Velocity Curve     19 Optical Spectra Santos et al. 2007
Known Objects
1 Confirmed Planets
9 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 Associated Literature Data
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  • Controversial
  • False Positive
  • Aliases
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  • Time Series
  • Kepler | K2
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