HD 66428 Overview

HD 66428 1.13 R⦿ 5752.00 K
HD 66428 b
HD 66428 c
Architecture
HD 66428
HD 66428
HD 66428 b
HD 66428 c
Discovery Data
Host Planet Method Year Reference Disposition
HD 66428 HD 66428 b Radial Velocity 2005 Butler et al. 2006 Confirmed Planet
HD 66428 HD 66428 c Radial Velocity 2021 Rosenthal et al. 2021 Confirmed Planet
HD 66428
RA
08h03m28.60s
Dec
-01d09m48.97s
Distance
53.2817+0.2180-0.2162
pc
Parallax
18.7398000±0.0758976 mas
Ecliptic Latitude
-21.09955 deg
Ecliptic Longitude
123.35581 deg
Galactic Latitude
15.41735 deg
Galactic Longitude
222.42686 deg
Total Proper Motion
217.1239644±0.0685527 mas/yr
Proper Motion (RA)
-65.725900±0.104314 mas/yr
Proper Motion (Dec)
-206.9370000±0.0638424 mas/yr
Photometry
mV
8.25±0.03
mTESS
7.6306±0.0060
mJ
7.044±0.023
mH
6.768±0.061
mKs
6.660±0.021
mW1
6.634±0.073
mW2
6.641±0.022
mW3
6.677±0.017
mW4
6.629±0.081
mGaia
8.081420±0.000245
mB
8.967±0.027
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Barbato et al. 2018 Stassun et al. 2017 Bryan et al. 2016 Ghezzi et al. 2010 Sousa et al. 2008 Takeda et al. 2007 Butler et al. 2006 Valenti & Fischer 2005 Wright et al. 2004 Nordstrom et al. 2004 Nidever et al. 2002 Michigan Catalog, Vol. 5 Michigan Catalog, Vol. 5 Cannon & Pickering 1918
S Index
--- --- --- --- --- --- --- --- --- --- --- 0.149±0.019 --- --- --- --- ---
CAII LOG RHK
--- --- --- --- --- --- --- --- --- --- --- -5.08 --- --- --- --- ---
Teff
(K)
5647.601181360000±94.325792356200
5669.000+171.276-112.098
5689.0000+31.9500-35.3335
5773±23 5716±20 --- 5615±55 5705±27 --- 5752 --- --- --- --- --- --- ---
Metallicity
(dex)
0.2713855248210000±0.0614681627528000 [Fe/H] 0.24±0.10 [M/H] --- 0.23±0.05 [Fe/H] 0.27 [Fe/H] --- 0.23±0.05 [Fe/H] 0.25±0.02 [Fe/H] --- 0.310 [Fe/H] --- --- --- --- --- --- ---
M
(M⦿)
1.050574746980±0.044737755861
1.010000+0.163948-0.100855
--- 1.083±0.022 1.00±0.07
1.061+0.070-0.056
1.00±0.10 1.011
1.061+0.070-0.056
1.10 --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.32294252178000±0.03055980807385
4.3153200+0.0804528-0.0887197
--- 4.360±0.050 4.33±0.03 --- 4.06±0.10 4.31±0.06 4.43±0.05 4.490 --- --- --- --- --- --- ---
R
(R⦿)
1.1691188789400000±0.0273867414809000
1.1575300+0.0659156-0.0638834
1.1501205+0.0144206-0.0128105
1.102±0.062 1.13±0.02 --- 1.15±0.12 ---
1.05+0.06-0.05
--- --- --- --- --- --- --- ---
L
(log10(L⦿))
---
0.095788085+0.013688676-0.008074904
0.096325128+0.002203901-0.002215142
--- --- --- 0.0710±0.0880
0.1086+0.0195-0.0204
--- --- --- --- --- --- --- --- ---
γ
(km/s)
--- --- 43.989275006215379±0.186130308036394 --- --- --- --- --- --- --- 43.9 --- 44.3±0.4 44.1 --- --- ---
Age
(Gyr)
--- --- --- 3.515±2.040 --- ---
8.00+2.50-3.00
---
5.56+1.88-3.20
--- --- --- --- --- --- --- ---
Prot
(days)
--- --- --- 38 --- --- --- --- --- --- --- --- --- --- --- --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- --- --- --- 0.0±0.5 --- 1 --- --- --- ---
Sp. T
--- --- --- --- --- --- --- --- --- --- --- --- --- --- G8 IV (+ G) G8 IV (+ G) G5
ρ
(g/cm3)
---
0.91809020+0.21228880-0.22059690
--- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Barbato et al. 2018 Rosenthal et al. 2021 Stassun et al. 2017 Bryan et al. 2016 Feng et al. 2015 Butler et al. 2006
Tp
(days)
2456857.2+7.3-7.4
2456562±13 --- 2452277±20 2452278±16 2452139±16
ω
(deg)
187.030+1.926-2.070
5.5+3.1-2.6
--- 179.7±3.1 180.4±2.6 152.9±3.9
Mp sin i
(M)
1018±14 1014±35 839±64 982±22 1015.106±19.069 896.2±85.8
Mp sin i
(MJup)
3.204±0.043 3.19±0.11 2.64±0.20 3.09±0.07 3.194±0.060 2.82±0.27
e
0.493±0.015
0.418+0.015-0.014
0.47±0.03
0.448+0.016-0.015
0.440±0.013 0.465±0.030
P
(days)
2263.12+6.13-5.94
2288.9+6.2-6.8
1973.00000±31.00000 2280.4±6.6 2293.9±6.4 1973±31
K
(m/s)
54.03+1.46-1.43
52.5±1.1 48.3±2.7
51.4+1.5-1.4
52.6±1.1 48.3±2.7
a
(au)
3.467±0.024
3.455+0.049-0.050
3.14±0.07 --- 3.471±0.069 3.18±0.19
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Rosenthal et al. 2021
Tp
(days)
2445900+4600-4500
ω
(deg)
30.9397320+37.2422700-80.2141200
Mp sin i
(M)
8581+6992-5403
Mp sin i
(MJup)
27+22-17
e
0.32+0.23-0.16
P
(days)
39000+56000-18000
K
(m/s)
150+120-85
a
(au)
23.0+19.0-7.6
Literature Stellar Spectra (3 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     89 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     29 Optical Spectra Butler et al. 2006
Known Objects
2 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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