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HD 40956 Overview

HD 40956 8.56 R⦿ 4869.00 K
HD 40956 b

HD 40956 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
HD 40956
HD 40956 b 578.6 d > 858.14 M⨁ Radial Velocity 2017 Jeong et al. 2018 Confirmed Planet
RA
06h06m39.07s
Dec
+63d27m13.95s
Distance
116.593+0.421-0.417
pc
Parallax
8.5480100±0.0305741 mas
Ecliptic Latitude
40.02019 deg
Ecliptic Longitude
90.96642 deg
Galactic Latitude
19.30989 deg
Galactic Longitude
150.61272 deg
Total Proper Motion
36.5421733±0.0337645 mas/yr
Proper Motion (RA)
-35.5102000±0.0334821 mas/yr
Proper Motion (Dec)
8.6230000±0.0382376 mas/yr
Photometry
mV
6.42794±0.02300
mTESS
5.53753±0.00610
mJ
4.851±0.344
mH
4.177±0.324
mKs
4.143±0.324
mW1
4.038±0.247
mW2
3.789±0.170
mW3
4.002±0.015
mW4
3.981±0.027
mGaia
6.1404900±0.0004479
mB
7.435±0.019
Abundances
(Hypatia Catalog)
[Fe/H] -0.16±0.04 dex
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8 Gaia DR2 Jeong et al. 2018 van Leeuwen et al. 2007 Cannon & Pickering 1918
Teff
(K)
5092.0±122.0
4919.915+35.305-75.935
 4869±28 --- ---
L✶
(log10(L⦿))
---
1.6053935+0.0024701-0.0024842
 1.664 --- ---
Metallicity
(dex)
--- --- 0.14±0.05 [Fe/H] --- ---
γ
(km/s)
--- -15.283736659623457±0.177603912245514 -15.80±0.25 --- ---
v sin i
(km/s)
--- --- 2.7±0.5 --- ---
Age
(Gyr)
--- --- 1.35±0.18 --- ---
M✶
(M⦿)
--- --- 2.00±0.08 --- ---
R✶
(R⦿)
8.8129
8.738446+0.276119-0.124077
 8.56±0.33 --- ---
log g
(log10(cm/s2))
--- --- 3.02±0.09 --- ---
Sp. T
--- --- --- K0 K0
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Jeong et al. 2018
Tp
(days)
2455341.88±11.07
(JD)
ω
(deg)
338.62±7.74
Mp sin i
(M⨁)
858±191
Mp sin i
(MJup)
2.7±0.6
e
0.24±0.05
P
(days)
578.6±3.3
K
(m/s)
68±2
a
(au)
1.4±0.1
Print
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     126 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
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
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