HD 81817 Overview

HD 81817 83.80 R⦿ 4140.00 K
HD 81817 b
Architecture
HD 81817
HD 81817
HD 81817 b
Other Data
Bibliography 5
Nearby Data 3
Discovery Data
Host Planet Method Year Reference Detection
HD 81817 HD 81817 b Radial Velocity 2020 Bang et al. 2020 Radial Velocity
RA
09h37m05.18s
Dec
+81d19m34.71s
Distance
269.126±21.551 pc
Parallax
3.71783±0.28817 mas
Ecliptic Latitude
60.68729 deg
Ecliptic Longitude
104.4811 deg
Galactic Latitude
32.65295 deg
Galactic Longitude
130.6518 deg
Total Proper Motion
24.3307324±0.5556607 mas/yr
Proper Motion (RA)
-16.79430±0.61063 mas/yr
Proper Motion (Dec)
-17.605000±0.500417 mas/yr
Photometry
mV
4.26489±0.02300
mTESS
3.0334±0.0096
mJ
1.698±0.248
mH
0.8900±0.1860
mKs
0.7790±0.2320
mW1
-1.69
mW2
-0.846
mW3
1.014±0.028
mW4
0.898±0.017
Source Bang et al. 2020 TICv8 (TIC v6) Gaia DR2 Cannon & Pickering 1918
Teff
(K)
4140±55 4245.0±122.0
4043.3333+56.4167-20.0000
---
L
(log10(L⦿))
3.2608 ---
3.4601531+0.0363373-0.0396575
---
Metallicity
(dex)
-0.17±0.10 [Fe/H] --- --- ---
v sin i
(km/s)
4.7±0.1 --- --- ---
Age
(Gyr)
0.15±0.04 --- --- ---
M
(M⦿)
4.3±0.5 --- --- ---
R
(R⦿)
83.8±7.8 91.4039
109.45866+1.09094-2.99180
---
log g
(log10(cm/s2))
1.3±0.2 --- --- ---
Sp. T
K3 III --- --- K2
Status
Confirmed
Tools
Source Bang et al. 2020
Tp
(days)
2449712±108
ω
(deg)
320±34
Mp sin i
(M)
8613±667
Mp sin i
(MJup)
27.1±2.1
e
0.17±0.07
P
(days)
1047.1±8.5
K
(m/s)
211.4±16.4
a
(au)
3.3±0.1
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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