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HD 209458 Overview

HD 209458 1.20 R⦿ 6026.35 K
HD 209458 b
1.390 RJup
Architecture
HD 209458
HD 209458
HD 209458 b
Other Data
Bibliography 52
Exoplanet Archive Notes 6
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
HD 209458 HD 209458 b Radial Velocity 1999 Henry et al. 2000 Confirmed Planet
HD 209458
  • Effective temperature, radius and luminosity drawn from BF model in Table 1; Mass and surface density from BF-LC model in Table 1; Density from text. (del Burgo & Allende Prieto 2016)
  • Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)
HD 209458 b
RA
22h03m10.81s
Dec
+18d53m03.27s
Distance
48.3016+0.1240-0.1234
pc
Parallax
20.6745000±0.0526252 mas
Ecliptic Latitude
28.72408 deg
Ecliptic Longitude
340.35034 deg
Galactic Latitude
-28.52705 deg
Galactic Longitude
76.75338 deg
Total Proper Motion
34.5682789±0.0809570 mas/yr
Proper Motion (RA)
29.5787000±0.0829465 mas/yr
Proper Motion (Dec)
-17.8904000±0.0752507 mas/yr
Photometry
mV
7.65±0.03
mTESS
7.1274±0.0061
mJ
6.591±0.020
mH
6.366±0.038
mKs
6.308±0.026
mW1
6.308±0.091
mW2
6.191±0.027
mW3
6.320±0.016
mW4
6.265±0.053
mGaia
7.508660±0.000406
mB
8.168±0.000
Abundances
(Hypatia Catalog)
[Fe/H] 0.05±0.14 dex
[C/H] 0.02±0.24 dex
[O/H] 0.05±0.15 dex
[Na/H] -0.06±0.12 dex
[Mg/H] 0.12±0.12 dex
[Al/H] -0.04±0.11 dex
[Si/H] 0.02±0.16 dex
[Ca/H] 0.10±0.18 dex
[Y/H] 0.07±0.10 dex
[BaII/H] 0.10±0.10 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Bonomo et al. 2017 Stassun et al. 2017 del Burgo & Allende Prieto 2016 Salz et al. 2015 Maxted et al. 2015 Boyajian et al. 2015 Mortier et al. 2013 Albrecht et al. 2012 Southworth 2010 Ghezzi et al. 2010 Sanz-Forcada et al. 2010 Sousa et al. 2008 Torres et al. 2008 Takeda et al. 2007 Knutson et al. 2007 Laughlin et al. 2005 Valenti & Fischer 2005 Wright et al. 2004 Nordstrom et al. 2004 Santos et al. 2004 Naef et al. 2004 Santos et al. 2003 Nidever et al. 2002 Cody & Sasselov 2002 Brown et al. 2001 Charbonneau et al. 2000 Henry et al. 2000 Cannon & Pickering 1918 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
S Index
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 0.154±0.020 --- --- --- --- --- --- --- --- --- --- ---
CAII LOG RHK
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- -5.00 --- --- --- --- --- --- --- --- --- --- ---
Teff
(K)
6026.3549454750±96.8980296914
6052.0000+101.9820-99.2933
6076.55+22.45-24.80
 6065±50 6091±10 6071±20 --- --- 6092±103 6118±25 --- 6117±50 6076±31 --- 6118±25 6065±50 --- --- --- --- --- --- 6117±26 --- 6120 --- 5998±55 --- 6000 6025 --- 6052.000±100.638
Metallicity
(dex)
-0.005500315269770001±0.059955548953000003 [Fe/H] 0.050±0.100 [M/H] --- 0.00±0.05 0.01 [Fe/H] --- --- 0.068 [Fe/H] 0.00±0.05 [Fe/H] 0.03±0.02 [Fe/H] --- 0.02±0.05 [Fe/H] -0.02±0.02 [Fe/H] --- 0.03±0.02 [Fe/H] 0.00±0.05 [Fe/H] --- --- --- --- --- --- 0.02±0.03 [Fe/H] --- 0.02 [Fe/H] --- --- --- --- --- --- ---
M✶
(M⦿)
1.06917519587500±0.04797361701205
1.130000+0.178227-0.126458
 --- 1.119±0.033 1.23±0.09 1.26±0.15 --- 1.142 1.00±0.22 1.07±0.07 --- 1.148±0.040 1.10±0.10 --- 1.147 1.119±0.033
1.131+0.026-0.024
1.101 +0.066-0.062
--- --- --- --- 1.15 --- 1.15 ---
1.06+0.03-0.02
 --- 1.1 1.03 --- ---
R✶
(R⦿)
1.1999759942400±0.0282007051787
1.1865500+0.0445101-0.0461432
1.1780230+0.0096748-0.0086565
1.155+0.014-0.016
 1.19±0.02 1.20±0.05 --- --- 1.203±0.061 0.99±0.06 --- 1.162±0.014 1.18±0.10 --- ---
1.155 +0.014-0.016
1.14±0.05
1.125 +0.020-0.023
--- --- --- --- --- --- --- ---
1.18+0.07-0.08
 1.146±0.050 1.1 1.15 --- 1.19±0.05
log g
(log10(cm/s2))
4.30739612512000±0.03031601520462
4.3425800+0.0746227-0.0746832
 --- --- 4.45±0.02 4.38±0.06 --- --- 4.28±0.10 4.50±0.04 --- 4.368±0.006 4.33±0.08 --- 4.50±0.04
4.361 +0.007-0.008
4.39±0.04 --- --- --- --- --- 4.48±0.08 --- 4.56 --- --- --- --- --- --- 4.3425800±0.0746529
Age
(Gyr)
--- --- ---
3.10+0.80-0.70
 --- 3.5±1.4 --- 2.39 --- --- ---
2.3+1.0-0.8
3.0+2.5-1.5
 15 ---
3.1 +0.8-0.7
2.44+1.32-1.64
 --- --- --- --- --- --- --- --- --- 5.2 --- --- --- --- ---
ρ✶
(g/cm3)
---
0.95365440+0.20891510-0.17026050
 --- --- 1.04±0.07 1.024±0.014 --- --- 0.82±0.20 0.73±0.01 --- 1.033±0.011 --- --- --- 1.024±0.014 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
L✶
(log10(L⦿))
---
0.23085901+0.01499790-0.01229945
0.23163048+0.00150580-0.00151101
 --- ---
0.248+0.033-0.036
 --- ---
0.252 +0.034-0.037
--- --- --- 0.230±0.069 ---
0.1875+0.0114-0.0117
0.210 +0.025-0.028
--- --- --- --- --- --- --- --- --- --- 0.208±0.040 --- --- --- --- ---
γ
(km/s)
--- --- -15.014614563711921±0.287452835805543 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- -14.1 --- -14.9±0.2 --- -14.741±0.002 --- -14.8 --- --- --- --- --- ---
v sin i
(km/s)
--- --- --- 4.49±0.50 --- --- --- --- --- --- 4.4±0.2 --- --- --- --- --- --- --- 4.5±0.3 4.5±0.5 --- 5 --- --- --- --- --- --- --- 3±1 --- ---
Sp. T
--- --- --- --- --- G0 V G0 V --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- F8 ---
Prot
(days)
--- --- --- 10.65±0.75 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
TOI
Transit
Atmospheric Spectroscopy
Source Stassun et al. 2017 Panek et al. 2023 Kokori et al. 2023 Kokori et al. 2022 Rosenthal et al. 2021 Bonomo et al. 2017 Barstow et al. 2017 del Burgo & Allende Prieto 2016 Sing et al. 2016 Evans et al. 2015 Salz et al. 2015 Boyajian et al. 2015 Albrecht et al. 2012 Southworth 2010 Torres et al. 2008 Knutson et al. 2007 Naef et al. 2004 Cody & Sasselov 2002 Brown et al. 2001 Charbonneau et al. 2000 Henry et al. 2000 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
i
(deg)
86.71±0.05 --- 86.71±0.05 --- --- 86.710±0.050 --- --- --- 86.78±0.07 --- --- --- 86.590±0.046 86.71±0.05
86.929 +0.009-0.010
---
86.1+1.1-0.5
 86.68±0.14 87.1±0.2 --- ---
P
(days)
3.52474859±0.00000038 --- 3.52474955±0.00000032 3.5247499±0.0000003 3.524760±0.000013 3.52474859±0.00000038 --- --- 3.52 3.524750±0.000001 3.5 --- --- 3.52474859±0.00000038 3.524746 3.52474859±0.00000038 3.5246±0.0001 --- --- 3.5250±0.003 3.5239±0.0046 3.5247546±0.0000034
Rp
(R⨁)
15.6±0.2 9.2 --- --- ---
15.23+0.18-0.21
 --- 15.8±0.7 15.2 --- 15.7 16.264±0.829 --- 15.47±0.19
15.233 +0.179-0.213
14.796 +0.269-0.280
---
15.9+1.1-1.5
 15.10±0.67 14.24±0.22 15.92±1.12 16.377600±0.684714
Rp
(RJup)
1.39±0.02 0.82 --- --- ---
1.359+0.016-0.019
 --- 1.41±0.06 1.36 --- 1.4 1.451±0.074 --- 1.380±0.017
1.359 +0.016-0.019
1.320 +0.024-0.025
---
1.42+0.10-0.13
 1.347±0.060 1.27±0.02 1.42±0.10 1.4611141±0.0610862
TC
(days)
--- --- 2455420.84456±0.00016 2455015.49844±0.00012
2452900.641+0.013-0.015
 2452826.629283±0.000087 --- --- --- 2454560.80588±0.00008 --- --- 2451659.93742±0.00002 --- --- 2452826.628521±0.000087 --- --- --- 2451430.8227±0.003 2451490.765±0.02 2460552.8797400±0.0002144
Tp
(days)
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 2452765.790±0.021 --- --- 2451370.048±0.014 2451412.3085±0.013 ---
Mp
(M⨁)
232±13 --- --- --- ---
217+4-5
 --- 235±19 219 --- 219.29 203.40±28.60 --- 227±5
217.704 +4.767-4.449
--- --- 218±6 --- 200.22 197.05±15.89 ---
Mp
(MJup)
0.73±0.04 --- --- --- ---
0.682+0.014-0.015
 --- 0.74±0.06 0.69 --- 0.69 0.64±0.09 --- 0.714±0.017
0.685 +0.015-0.014
--- --- 0.685±0.020 --- 0.63 0.62±0.05 ---
ρ
(g/cm3)
--- --- --- --- ---
0.333+0.014-0.013
 --- 0.32±0.05 --- --- 0.34 0.261±0.044 --- 0.362±0.006
0.338 +0.016-0.014
--- --- --- --- 0.38 0.27±0.04 ---
a
(au)
--- --- --- ---
0.04634+0.00069-0.00070
0.04707+0.00045-0.00047
 --- 0.0490±0.0020 --- --- 0.047 --- --- 0.04747±0.00055
0.04707 +0.00046-0.00047
--- 0.048 --- --- 0.0467 0.046±0.001 ---
a/R✶
8.81±0.19 --- 8.76±0.04 --- --- --- --- 8.76±0.04 --- 8.87±0.05 --- --- ---
8.78426+0.03175-0.03152
 8.76±0.04 --- --- --- --- --- --- ---
Teq
(K)
--- --- --- --- --- --- 1448 --- 1450 1484±18 1450 --- --- 1459±12 1449±12 --- --- --- --- --- --- 1371
K
(m/s)
84.7±0.7 --- --- ---
84.9+1.2-1.3
84.27+0.69-0.70
 --- --- --- --- --- --- 128±32 85.1±1.0 84.67±0.70 --- 85.1±1.0 --- --- --- 81.5±5.5 ---
ω
(deg)
--- --- --- --- 0.0±63.0 --- --- --- --- --- --- --- --- --- --- --- 0±0 --- --- --- --- ---
Mp sin i
(M⨁)
--- --- --- --- 211±7 --- --- --- --- --- --- --- --- --- --- --- 222.154±2.225 --- --- --- --- ---
Mp sin i
(MJup)
--- --- --- --- 0.665±0.022 --- --- --- --- --- --- --- --- --- --- --- 0.699±0.007 --- --- --- --- ---
e
0.0 --- --- ---
0.0100+0.0110-0.0074
 <0.0081 --- --- --- --- 0 --- --- --- --- --- 0±0 --- --- --- 0.00±0.04 ---
b
--- --- --- --- --- --- --- --- --- 0.499±0.008 --- --- --- --- 0.507±0.005 --- --- --- --- --- --- ---
Rp/R✶
--- --- 0.12086±0.00010 --- --- --- --- 0.12086±0.00010 --- 0.121 --- 0.12403±0.00043 0.1211±0.0001 --- 0.12086±0.00010 --- --- --- --- --- --- ---
δ
(%)
1.5000±0.0024 --- --- --- --- --- --- --- --- --- --- --- --- --- 1.55 --- --- --- --- --- 1.58±0.18 1.7803000±0.0534998
S
(S⨁)
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 587.098
T14
(hours)
--- --- --- --- --- --- --- --- --- --- --- --- 3.072±0.003 --- --- --- --- --- --- --- --- 2.958±0.136
λ
(deg)
--- --- --- --- --- --- --- --- --- --- --- --- -5±7 --- --- --- --- --- --- --- --- ---
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 (3 File Types, 32 Files)
File Type Data Points Filter Reference
Photometric Light Curve     236566 Optical (MOST) Croll et al. 2007
Photometric Light Curve     504 320.1nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     504 375.0nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     504 430.0nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     504 484.9nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     504 539.8nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     548 580.2nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     548 677.9nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     548 775.5nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     548 873.2nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     548 970.8nm (HST STIS) Knutson et al. 2007
Photometric Light Curve     2392 MIPS24 (Spitzer) Richardson et al. 2006
Photometric Light Curve     114521 Optical (MOST) Rowe et al. 2006
Photometric Light Curve     268 F550W (HST FGS) Wittenmyer et al. 2005
Photometric Light Curve     940 Clear, no filter Kane et al. 2004
Photometric Light Curve     664 581.3nm-638.2nm (HST STIS) Brown et al. 2001
Photometric Light Curve     89 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     64 Optical Spectra Butler et al. 2006
Radial Velocity Curve     51 Optical Spectra Wittenmyer et al. 2005
Radial Velocity Curve     85 Optical Spectra Laughlin et al. 2005
Radial Velocity Curve     141 Optical Spectra Naef et al. 2004
Radial Velocity Curve     46 Optical Spectra Naef et al. 2004
Amateur Light Curve     775 B (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     94 I (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     600 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     491 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     449 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     323 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     322 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     258 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     247 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     247 R (Generic) Amateur-Contributed Light Curves
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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