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HD 4203 Overview

HD 4203 1.42 R⦿ 5636.00 K
HD 4203 b
HD 4203 c
Architecture
HD 4203
HD 4203
HD 4203 b
HD 4203 c
Other Data
Bibliography 24
Exoplanet Archive Notes 1
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
HD 4203 HD 4203 b Radial Velocity 2001 Vogt et al. 2002 Confirmed Planet
HD 4203 HD 4203 c Radial Velocity 2014 Kane et al. 2014 Confirmed Planet
HD 4203
RA
00h44m41.33s
Dec
+20d26m54.21s
Distance
81.3795+0.3608-0.3577
pc
Parallax
12.2595000±0.0538443 mas
Ecliptic Latitude
14.37803 deg
Ecliptic Longitude
18.38597 deg
Galactic Latitude
-42.3953 deg
Galactic Longitude
120.79104 deg
Total Proper Motion
174.1399947±0.0840546 mas/yr
Proper Motion (RA)
122.070000±0.101783 mas/yr
Proper Motion (Dec)
-124.1920000±0.0623073 mas/yr
Photometry
mV
8.70±0.03
mTESS
8.0455±0.0060
mJ
7.389±0.023
mH
7.115±0.021
mKs
7.047±0.029
mW1
6.929±0.056
mW2
7.036±0.020
mW3
7.041±0.017
mW4
6.981±0.077
mGaia
8.515450±0.000163
mB
9.445±0.036
Abundances
(Hypatia Catalog)
[Fe/H] 0.42±0.14 dex
[C/H] 0.40±0.24 dex
[O/H] 0.15±0.12 dex
[Na/H] 0.43±0.13 dex
[Mg/H] 0.38±0.08 dex
[Al/H] 0.42±0.11 dex
[Si/H] 0.39±0.08 dex
[Ca/H] 0.35±0.12 dex
[Y/H] 0.26±0.08 dex
[BaII/H] 0.28±0.07 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Stassun et al. 2017 Suárez-Andrés et al. 2016 Bryan et al. 2016 Ghezzi et al. 2010 Takeda et al. 2007 Butler et al. 2006 Valenti & Fischer 2005 Wright et al. 2004 Santos et al. 2004 Santos et al. 2003 Nidever et al. 2002 Vogt et al. 2002 Cannon & Pickering 1918
S Index
--- --- --- --- --- --- --- --- --- --- 0.136±0.018 --- --- --- --- ---
CAII LOG RHK
--- --- --- --- --- --- --- --- --- --- -5.18 --- --- --- --- ---
Teff
(K)
5625.0602007050±77.6101752834
5582.0000+133.1750-87.0028
5502.0+81.0-75.6
 5596±20 5728 --- 5644±65 --- 5702 --- --- 5636±40 5650 --- --- ---
Metallicity
(dex)
0.37952728410050002±0.05575908135900001 [Fe/H] 0.34±0.10 [M/H] --- 0.40 [Fe/H] 0.53±0.11 [N/H] --- 0.43±0.05 [Fe/H] --- 0.453 [Fe/H] --- --- 0.40±0.05 [Fe/H] 0.40 [Fe/H] --- 0.22 [Fe/H] ---
M✶
(M⦿)
1.137205849640000±0.062803555442550
0.9900000+0.1162370-0.1327360
 --- 1.25±0.16 ---
1.130+0.028-0.100
 1.15±0.10
1.130+0.028-0.100
 1.13 --- --- 1.06 0.93 --- 1.06 ---
log g
(log10(cm/s2))
4.1463060811849983±0.0321117394720000
4.0827100+0.0691347-0.0817738
 --- 4.23±0.05 4.23 --- 4.11±0.16 4.32±0.05 4.361 --- --- 4.23±0.14 4.38 --- --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- --- 1.23 1.2±0.5 --- --- --- --- --- ---
R✶
(R⦿)
1.49748891507500±0.03411199719548
1.4979500+0.0637764-0.0766256
1.5515661+0.0435337-0.0446946
 1.42±0.05 --- --- 1.33±0.15
1.20+0.09-0.08
 --- --- --- --- --- --- --- ---
L✶
(log10(L⦿))
---
0.29285016+0.01128900-0.00996313
0.29831765+0.00256625-0.00258150
 --- --- --- 0.206±0.092 --- --- --- --- --- --- --- --- ---
γ
(km/s)
--- --- -14.056524865516701±0.153759518502008 --- --- --- --- --- --- -14.7 --- --- --- -14.1 --- ---
Sp. T
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- G5
Age
(Gyr)
--- --- --- --- --- ---
5.0+3.0-0.5
8.520+1.400-1.560
 --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
---
0.4152474+0.0849013-0.0813498
 --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Stassun et al. 2017 Rosenthal et al. 2021 Kane et al. 2014 Butler et al. 2006 Vogt et al. 2002
Tp
(days)
--- --- 2451911.52±2.38 2451918.9±2.7 2451882±5
ω
(deg)
---
-28.9+2.2-2.6
 328.03±2.9 329.1±3.1 271±50
Mp sin i
(M⨁)
709±67 579.1±24.8 578.43±15.89 657.9±57.2 509
Mp sin i
(MJup)
2.23±0.21 1.822±0.078 1.82±0.05 2.07±0.18 1.6
e
0.52±0.03
0.513+0.013-0.014
 0.52±0.02 0.519±0.027 0.53±0.10
P
(days)
431.88000±0.85000
437.18+0.14-0.16
 437.05±0.27 431.88±0.85 406±30
K
(m/s)
60.3±2.2
52.2+1.3-1.2
 52.82±1.5 60.3±2.2 51±5
a
(au)
1.17±0.02
1.177+0.021-0.022
 1.1735±0.0222 1.164±0.067 1.1
TC
(days)
--- 2440618.8±6.0 --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Kane et al. 2014 Rosenthal et al. 2021 Bryan et al. 2016
Tp
(days)
2456000±9600 ---
2456179+1365-1733
ω
(deg)
224±48.8
32.0+35.0-97.0
232.2+30.7-32.5
Mp sin i
(M⨁)
689.66±165.26
852+315-76
480+311-181
Mp sin i
(MJup)
2.17±0.52
2.68+0.99-0.24
1.51+0.98-0.57
e
0.24±0.13
0.190+0.290-0.089
0.182+0.124-0.172
P
(days)
6700±4500
7400+8900-1100
7053+1624-2324
K
(m/s)
22.20±3.707
26.1+4.4-1.5
12.5+11.0-5.0
a
(au)
6.95 +1.93-0.56
7.80+5.40-0.78
 ---
TC
(days)
---
2453780+130-490
 ---
Print
Literature Stellar Spectra (2 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Literature Time Series (2 File Types, 3 Files)
File Type Data Points Filter Reference
Photometric Light Curve     68 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     23 Optical Spectra Butler et al. 2006
Radial Velocity Curve     14 Optical Spectra Vogt et al. 2002
Known Objects
2 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
2 Associated Literature Data
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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