HD 102956 Overview

HD 102956 B 0.40 R⦿ 3407.00 K
HD 102956 4.40 R⦿ 5054.00 K
HD 102956 b
Architecture
HD 102956
HD 102956 B
HD 102956
HD 102956 b
Discovery Data
Host Planet Method Year Reference Disposition
HD 102956 HD 102956 b Radial Velocity 2010 Johnson et al. 2010 Confirmed Planet
HD 102956
  • This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
RA
11h51m26.00s
Dec
+57d38m41.33s
Distance
123.141+0.748-0.739
pc
Parallax
8.0922700±0.0486774 mas
Ecliptic Latitude
50.09282 deg
Ecliptic Longitude
146.47031 deg
Galactic Latitude
57.69881 deg
Galactic Longitude
137.95597 deg
Total Proper Motion
20.7919491±0.0682813 mas/yr
Proper Motion (RA)
-11.5769000±0.0688538 mas/yr
Proper Motion (Dec)
-17.2708000±0.0680225 mas/yr
Photometry
mV
16.5042±0.0462
mTESS
14.1196000±0.0074004
mJ
12.659±0.019
mH
12.021±0.017
mKs
11.784±0.019
mW1
11.456±0.023
mW2
11.348±0.021
mW3
11.269±0.134
mW4
9.125
mGaia
15.346000±0.000619
mB
18.969±0.161
mg
17.4383000±0.0047834
mi
14.6063000±0.0031116
mr
15.8935000±0.0033976
mu
20.1260000±0.0481242
mz
14.008800±0.003802
Source TICv8
Teff
(K)
3407.0±157.0
L
(log10(L⦿))
-1.71994+0.09541-0.12245
ρ
(g/cm3)
8.7759995±0.3294355
M
(M⦿)
0.3872070±0.0203285
R
(R⦿)
0.3962210±0.0118935
log g
(log10(cm/s2))
4.830140±0.003259
RA
11h51m22.49s
Dec
+57d38m26.37s
Distance
121.8900±0.4345 pc
Parallax
8.1752800±0.0290369 mas
Ecliptic Latitude
50.08471 deg
Ecliptic Longitude
146.46475 deg
Galactic Latitude
57.69918 deg
Galactic Longitude
137.97253 deg
Total Proper Motion
21.3439043±0.0491734 mas/yr
Proper Motion (RA)
-12.1073000±0.0489508 mas/yr
Proper Motion (Dec)
-17.5777000±0.0492786 mas/yr
Photometry
mV
7.86±0.03
mTESS
7.03923±0.00610
mJ
6.214±0.020
mH
5.767±0.020
mKs
5.663±0.020
mW1
5.613±0.173
mW2
5.572±0.055
mW3
5.640±0.014
mW4
5.616±0.037
mGaia
7.608440±0.000384
mB
8.824±0.020
mg
---
mi
---
mr
---
mu
---
mz
---
Abundances
(Hypatia Catalog)
[Fe/H] 0.18±0.03 dex
[C/H] 0.15±0.18 dex
[O/H] -0.04±0.09 dex
[Na/H] 0.08±0.10 dex
[Mg/H] 0.18±0.13 dex
[Al/H] 0.24±0.10 dex
[Si/H] 0.30±0.14 dex
[Ca/H] 0.19±0.07 dex
[Y/H] 0.36±0.08 dex
Source TICv8 Luhn et al. 2019
Gaia DR2 Stassun et al. 2017
Sousa et al. 2015 Johnson et al. 2010
Cannon & Pickering 1918
Teff
(K)
4985.0±25.0 4985
4981.5000+58.5366-79.5000
4994±15 5010±37 5054±44 ---
L
(log10(L⦿))
--- ---
1.0482846+0.0024979-0.0025124
--- ---
1.06+0.02-0.02
---
Metallicity
(dex)
0.2±0.1 [M/H] --- --- 0.13 [Fe/H] 0.12±0.03 [Fe/H] 0.19±0.04 [Fe/H] ---
Age
(Gyr)
--- --- --- --- 2.328±0.418 <2.3±0.5 ---
M
(M⦿)
--- 1.66 --- 1.59±0.18 1.630±0.098 >1.68±0.11 ---
R
(R⦿)
4.511 4.55
4.4882255+0.1467590-0.1036500
4.41±0.15 4.275±0.453 4.4±0.1 ---
log g
(log10(cm/s2))
--- 3.38 --- 3.35±0.04 3.31±0.08 3.50±0.06 ---
Sp. T
--- --- --- --- --- --- G5
γ
(km/s)
--- --- -25.954555288640393±0.139717766687865 --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Luhn et al. 2019
Stassun et al. 2017
Johnson et al. 2010
Tp
(days)
2455351.45±0.64 --- 2455346±0.7
ω
(deg)
301±33 --- 12±40
Mp sin i
(M)
305±7 292±22 305.10±15.89
Mp sin i
(MJup)
0.960±0.023 0.92±0.07 0.96±0.05
e
0.037±0.019 0.05±0.03 0.048±0.027
P
(days)
6.49470±0.00019 6.49480±0.00040 6.4950±0.0004
K
(m/s)
74.6±1.8 73.4±1.9 73.7±1.9
a
(au)
0.0807±0.0073 0.080±0.000 0.081±0.002
a/R
--- ---
3.953 +0.032-0.031
Literature Stellar Spectra (1 File)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     179 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP 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
External Link
Search
Browse
Download