HD 108874 Overview

HD 108874 1.08 R⦿ 5556.00 K
HD 108874 b
HD 108874 c
Architecture
HD 108874
HD 108874
HD 108874 b
HD 108874 c
Discovery Data
Host Planet Method Year Reference Disposition
HD 108874 HD 108874 b Radial Velocity 2002 Butler et al. 2003 Confirmed Planet
HD 108874 HD 108874 c Radial Velocity 2005 Vogt et al. 2005 Confirmed Planet
HD 108874
RA
12h30m27.02s
Dec
+22d52m45.98s
Distance
59.5175+0.1585-0.1576
pc
Parallax
16.7730000±0.0442754 mas
Ecliptic Latitude
23.90745 deg
Ecliptic Longitude
177.32074 deg
Galactic Latitude
83.62475 deg
Galactic Longitude
253.57668 deg
Total Proper Motion
156.0955141±0.0676439 mas/yr
Proper Motion (RA)
127.4530000±0.0705446 mas/yr
Proper Motion (Dec)
-90.1196000±0.0614324 mas/yr
Photometry
mV
8.76±0.03
mTESS
8.106±0.006
mJ
7.479±0.020
mH
7.110±0.029
mKs
7.060±0.024
mW1
6.947±0.045
mW2
7.07±0.02
mW3
7.075±0.016
mW4
6.959±0.092
mGaia
8.575020±0.000319
mB
9.503±0.030
Abundances
(Hypatia Catalog)
[Fe/H] 0.24±0.16 dex
[C/H] 0.27±0.17 dex
[O/H] 0.14±0.13 dex
[Na/H] 0.14±0.13 dex
[Mg/H] 0.37±0.24 dex
[Al/H] 0.28±0.12 dex
[Si/H] 0.20±0.09 dex
[Ca/H] 0.20±0.13 dex
[Y/H] 0.29±0.10 dex
[BaII/H] 0.14±0.10 dex
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Stassun et al. 2017 Maldonado et al. 2015 Ghezzi et al. 2010 Wittenmyer et al. 2009 Takeda et al. 2007 Gozdziewski et al. 2006 Vogt et al. 2005 Valenti & Fischer 2005 Wright et al. 2004 Nordstrom et al. 2004 Santos et al. 2004 Butler et al. 2003 Santos et al. 2003 Nidever et al. 2002 Cannon & Pickering 1918
Teff
(K)
5569.952920805002±90.898656915175
5533.0000+107.7310-94.2757
5556.000+150.667-79.000
5600±37 5614±30 5572±50 5551±44 --- --- --- --- --- --- 5596±42 --- 5615 --- ---
L
(log10(L⦿))
---
-0.00071865677+0.01203407308-0.00809524219
-5.50285970e-05+1.62952859e-03-1.63568763e-03
--- --- 0.013±0.084 --- --- --- --- --- --- --- --- --- --- --- ---
γ
(km/s)
--- --- -30.22462711653924±0.30515095179590 --- --- --- --- --- --- --- -29.6 --- -30.7±0.2 --- --- --- -30.1 ---
R
(R⦿)
1.09109844130500±0.02550822494722
1.0873600+0.0588291-0.0346382
1.0791968+0.0313571-0.0562333
1.05±0.02 --- 1.09±0.11 ---
1.11+0.07-0.06
--- --- --- --- --- --- --- --- --- ---
Metallicity
(dex)
0.2209952943145000±0.0608232596656250 [Fe/H] 0.15±0.10 [M/H] --- 0.26 [Fe/H] 0.26±0.03 [Fe/H] 0.24±0.04 [Fe/H] 0.19±0.03 [Fe/H] --- --- 0.18 [Fe/H] --- --- --- 0.23±0.05 [Fe/H] 0.14 [Fe/H] 0.25 [Fe/H] --- ---
M
(M⦿)
0.99557783319049997±0.04572081931280000
0.97000000+0.15603900-0.08676080
--- 1.10±0.09 --- 1.00±0.10 0.950±0.036
0.950+0.036-0.026
0.99 0.99±0.1 --- --- --- 0.97 1.00 0.96 --- ---
Sp. T
--- --- --- --- --- --- G5 --- --- G5 V --- --- --- --- G5 V --- --- G5
v sin i
(km/s)
--- --- --- --- --- --- 2.2 --- --- --- 2.2±0.5 --- 1 --- --- --- --- ---
Age
(Gyr)
--- --- --- --- ---
8.00+2.50-3.50
--- >12.00 --- --- --- --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.3587938552650005±0.0316639369553250
4.3521000+0.0649192-0.0823133
--- 4.44±0.03 4.39±0.08 4.25±0.15 ---
4.34+0.04-0.05
--- --- --- --- --- 4.37±0.12 --- 4.58 --- ---
ρ
(g/cm3)
---
1.0637055+0.2121493-0.2122733
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
S Index
--- --- --- --- --- --- --- --- --- --- --- 0.150±0.019 --- --- --- --- --- ---
CAII LOG RHK
--- --- --- --- --- --- --- --- --- --- --- -5.08 --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Stassun et al. 2017 Rosenthal et al. 2021 Wittenmyer et al. 2009 Wright et al. 2009 Gozdziewski et al. 2006 Vogt et al. 2005 Butler et al. 2003
ω
(deg)
--- 30.0±6.9 232±10 219.4±9.3 255.76 248.4±36 256±30
Mp sin i
(M)
451±29 419.5±14.9 409.98±19.07 426±41 431.595 432.23±41.32 543.47
Mp sin i
(MJup)
1.42±0.09 1.320±0.047 1.29±0.06 1.34±0.11 1.358 1.36±0.13 1.71
e
0.13±0.02 0.144±0.016 0.082±0.021 0.128±0.022 0.068 0.07±0.04 0.17±0.06
a
(au)
1.04±0.02 1.052±0.016 1.038±0.014 1.053±0.061 1.051 1.051±0.02 1.06
Tp
(days)
--- --- 2454069±17 2454045±49.000000 --- 2450131.5±60 2451310.6±0.5
P
(days)
394.48123±0.60000
395.38+0.22-0.21
395.8±0.6 394.48±0.60 --- 395.4±2.5 397.5±0.4
K
(m/s)
37.3±1.1
37.06+0.71-0.69
37.0±0.8 37.3±1.1 --- 38.0±2.5 48±4
TC
(days)
--- 2453527.5±2.7 --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Wittenmyer et al. 2009 Rosenthal et al. 2021 Wright et al. 2009 Gozdziewski et al. 2006 Vogt et al. 2005
ω
(deg)
27±10 5.00±6.90 10±11 16.65 17.3±23
Mp sin i
(M)
314.64±19.07
362.0+16.5-15.9
338.2±31 320.359 323.537±95.3
Mp sin i
(MJup)
0.99±0.06
1.139+0.052-0.050
1.064±0.099 1.008 1.018±0.3
e
0.239±0.031
0.265+0.030-0.031
0.273±0.040 0.252 0.25±0.07
a
(au)
2.659±0.060 2.830±0.045 2.77±0.16 2.658 2.68±0.25
Tp
(days)
2452839±44 --- 2452797±49 --- 2449584.8±180
P
(days)
1624±23
1743.2+9.3-9.5
1680±24 --- 1605.8±88
K
(m/s)
18.2±0.7 20.05±0.65 18.90±0.72 --- 18.4±1.6
TC
(days)
--- 2454785±18 --- --- ---
Literature Stellar Spectra (1 File)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Literature Time Series (2 File Types, 5 Files)
File Type Data Points Filter Reference
Photometric Light Curve     100 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     40 Optical Spectra Wittenmyer et al. 2009
Radial Velocity Curve     55 Optical Spectra Wright et al. 2009
Radial Velocity Curve     49 Optical Spectra Vogt et al. 2005
Radial Velocity Curve     20 Optical Spectra Butler et al. 2003
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
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