HD 187123 Overview

HD 187123 1.17 R⦿ 5845.00 K
HD 187123 b
HD 187123 c
Architecture
HD 187123
HD 187123
HD 187123 b
HD 187123 c
Other Data
Bibliography 25
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
HD 187123 HD 187123 b Radial Velocity 1998 Butler et al. 1998 Confirmed Planet
HD 187123 HD 187123 c Radial Velocity 2008 Wright et al. 2009 Confirmed Planet
RA
19h46m58.29s
Dec
+34d25m08.36s
Distance
45.9548+0.0716-0.0714
pc
Parallax
21.7316000±0.0336189 mas
Ecliptic Latitude
54.25603 deg
Ecliptic Longitude
309.45329 deg
Galactic Latitude
4.67926 deg
Galactic Longitude
69.46581 deg
Total Proper Motion
188.6982861±0.0576243 mas/yr
Proper Motion (RA)
142.5810000±0.0530114 mas/yr
Proper Motion (Dec)
-123.6030000±0.0632429 mas/yr
Photometry
mV
7.83±0.03
mTESS
7.2466±0.0060
mJ
6.635±0.019
mH
6.395±0.017
mKs
6.337±0.016
mW1
6.312±0.076
mW2
6.245±0.024
mW3
6.331±0.015
mW4
6.236±0.052
mGaia
7.672840±0.000234
mB
8.489±0.024
Abundances
(Hypatia Catalog)
[Fe/H] 0.15±0.13 dex
[C/H] 0.16±0.18 dex
[O/H] 0.02±0.14 dex
[Na/H] 0.09±0.10 dex
[Mg/H] 0.17±0.14 dex
[Al/H] 0.07±0.07 dex
[Si/H] 0.09±0.06 dex
[Ca/H] 0.12±0.08 dex
[Y/H] 0.09±0.13 dex
[BaII/H] 0.04±0.14 dex
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Bryan et al. 2016 Sanz-Forcada et al. 2010 Takeda et al. 2007 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 Butler et al. 1998 Cannon & Pickering 1918
S Index
--- --- --- --- --- --- --- 0.155±0.020 --- --- --- --- --- --- ---
CAII LOG RHK
--- --- --- --- --- --- --- -5.03 --- --- --- --- --- --- ---
Teff
(K)
5765.943560250±96.258500884
5790.000+157.711-115.062
5781.75+65.25-48.50
--- --- --- --- --- --- 5845±22 --- 5855 --- 5830±40 ---
Metallicity
(dex)
0.10646383602249999±0.06007084491925001 [Fe/H] 0.090±0.100 [M/H] --- --- --- --- --- --- --- 0.13±0.03 [Fe/H] --- 0.14 [Fe/H] --- 0.16 [Fe/H] ---
M
(M⦿)
1.0202338855650002±0.0479631213531250
1.040000+0.112096-0.159473
---
1.037+0.026-0.024
---
1.037+0.026-0.024
--- --- --- 1.04 --- 1.05 --- 1.0±0.1 ---
log g
(log10(cm/s2))
4.3197554276400005±0.0319953321616000
4.3333800+0.0789131-0.0883844
--- --- --- 4.32±0.04 --- --- --- 4.42±0.07 --- 4.48 --- --- ---
L
(log10(L⦿))
---
0.12712586+0.01214434-0.01023230
0.12841701+0.00103979-0.00104225
--- --- --- --- --- --- --- --- --- --- 0.130 ---
Sp. T
--- --- --- --- --- --- --- --- --- --- --- --- --- G3 V G5
γ
(km/s)
--- --- -16.78204540355680±0.14494638970496 --- --- --- -16.5 --- -17.6±0.2 --- -16.986±0.002 --- -17.0 --- ---
v sin i
(km/s)
--- --- --- --- --- --- 2.1±0.5 --- 2 --- --- --- --- --- ---
Age
(Gyr)
--- --- --- --- 8.91
7.40+1.24-1.16
--- --- --- --- --- --- --- --- ---
R
(R⦿)
1.1549920471500001±0.0271833930966250
1.1504300+0.0550427-0.0646256
1.1554271+0.0196311-0.0256443
--- ---
1.17+0.06-0.04
--- --- --- --- --- --- --- --- ---
ρ
(g/cm3)
---
0.96299450+0.18899430-0.25910070
--- --- --- --- --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Wright et al. 2009 Rosenthal et al. 2021 Feng et al. 2015 Naef et al. 2004 Vogt et al. 2000 Butler et al. 1998
Tp
(days)
2454343.12±0.31 --- 2454342.87±0.30 2451010.972±0.027 2451013.8±0.31 2451010.982±0.01
ω
(deg)
25
18+45-69
360±200 0±0 324±45 ---
Mp sin i
(M)
166.218±13.666 159±5 161.2601±0.8263 165.26±3.18 152.55 165.26
Mp sin i
(MJup)
0.523±0.043 0.501±0.016 0.5074±0.0026 0.52±0.01 0.48 0.52
e
0.0103±0.0059
0.0040+0.0040-0.0028
0.0093±0.0046 0±0 0.01±0.03 0.03±0.03
P
(days)
3.0965828±0.0000078
3.0965971+0.0000023-0.0000022
3.0965886±0.0000043 3.0966±0.0001 3.0966±0.0002 3.097±0.003
K
(m/s)
69.40±0.45 68.92±0.27 68.91±0.36 70.7±1.7 68±2 72.0±2.0
a
(au)
0.0426±0.0025
0.04186+0.00065-0.00066
0.04213±0.00034 0.042 --- 0.042
TC
(days)
---
2455665.934+0.003-0.005
--- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Wright et al. 2009 Rosenthal et al. 2021 Bryan et al. 2016 Feng et al. 2015
Tp
(days)
2453580.04±0.30 ---
2453649+42-44
2453625±40
ω
(deg)
243±19
78.90+3.80-4.00
260.4±3.7 258.5±3.9
Mp sin i
(M)
632.46±79.45
544.4+18.4-18.1
572±19 577.791±11.124
Mp sin i
(MJup)
1.99±0.25
1.713+0.058-0.057
1.80±0.06 1.818±0.035
e
0.252±0.033
0.227+0.016-0.017
0.295+0.026-0.025
0.280±0.022
P
(days)
3810±420 3374±17
3380+41-40
3324±46
K
(m/s)
25.5±1.5
23.53+0.30-0.31
24.97+0.76-0.70
25.10±0.44
a
(au)
4.89±0.53
4.432+0.070-0.072
--- 4.417±0.054
TC
(days)
---
2458871+25-26
--- ---
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, 5 Files)
File Type Data Points Filter Reference
Photometric Light Curve     162 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     76 Optical Spectra Wright et al. 2009
Radial Velocity Curve     65 Optical Spectra Butler et al. 2006
Radial Velocity Curve     57 Optical Spectra Naef et al. 2004
Radial Velocity Curve     41 Optical Spectra Vogt et al. 2000
Known Objects
2 Confirmed Planets
9 2MASS Point Source Catalog
Data Files
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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