HD 216520 Overview

HD 216520 0.76 R⦿ 5103.00 K
HD 216520 b
HD 216520 c
Architecture
HD 216520
HD 216520
HD 216520 b
HD 216520 c
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
HD 216520 HD 216520 b 35.45 d > 10.26 M Radial Velocity 2020 Burt et al. 2021 Confirmed Planet
HD 216520 HD 216520 c 154.43 d > 9.44 M Radial Velocity 2020 Burt et al. 2021 Confirmed Planet
RA
22h47m30.45s
Dec
+83d41m51.11s
Distance
19.5520±0.0113 pc
Parallax
51.1167000±0.0292497 mas
Ecliptic Latitude
67.74691 deg
Ecliptic Longitude
74.00435 deg
Galactic Latitude
21.68276 deg
Galactic Longitude
119.4454 deg
Total Proper Motion
191.4334545±0.0522735 mas/yr
Proper Motion (RA)
-151.6370000±0.0528296 mas/yr
Proper Motion (Dec)
116.8460000±0.0513233 mas/yr
Photometry
mV
7.53±0.03
mTESS
6.7382±0.0060
mJ
5.951±0.030
mH
5.524±0.033
mKs
5.449±0.021
mW1
5.471±0.153
mW2
5.300±0.054
mW3
5.425±0.015
mW4
5.403±0.034
mGaia
7.278960±0.000218
mB
8.408±0.021
Abundances
(Hypatia Catalog)
[Fe/H] -0.13±0.16 dex
[C/H] -0.13±0.03 dex
[O/H] -0.01±0.09 dex
[Na/H] -0.30±0.16 dex
[Mg/H] -0.02±0.08 dex
[Al/H] -0.10±0.08 dex
[Si/H] -0.14±0.07 dex
[Ca/H] -0.12±0.09 dex
[Y/H] -0.26±0.19 dex
[BaII/H] -0.37±0.09 dex
Source Rosenthal et al. 2021 Burt et al. 2021 TICv8 Gaia DR2 Turnbull 2015 Wright et al. 2004 Gray et al. 2003 Cannon & Pickering 1918
S Index
--- --- --- --- --- 0.181±0.024 --- ---
CAII LOG RHK
--- --- --- --- --- -4.98 --- ---
Teff
(K)
5160.006143190000±69.525090136000 5103±20
5082.000+124.499-95.119
5140.425+58.575-27.758
5144 --- --- ---
L
(log10(L⦿))
--- -0.452±0.004
-0.4216016+0.0107071-0.0097272
-0.4257675+0.0004110-0.0004114
-0.398 +0.051-0.058
--- --- ---
Metallicity
(dex)
-0.1239742784270±0.0567442542419 [Fe/H] -0.16 [Fe/H] -0.14±0.10 [M/H] --- --- --- --- ---
v sin i
(km/s)
--- 0.2±0.5 --- --- --- --- --- ---
Age
(Gyr)
--- 6±3 --- --- --- --- --- ---
M
(M⦿)
0.79126280609600±0.03000188191565 0.82±0.04
0.8500000+0.1091630-0.0966881
--- 0.79 --- --- ---
R
(R⦿)
0.78276690595800±0.01406901682795 0.760±0.007
0.7939310+0.0375638-0.0480794
0.77227306+0.00840861-0.01730382
0.79 --- --- ---
log g
(log10(cm/s2))
4.5453064624200±0.0234847619846 4.540±0.028
4.5679200+0.0881166-0.0711456
--- --- --- --- ---
Sp. T
--- --- --- --- K2 --- K0 V K2
γ
(km/s)
--- --- --- -18.536557846326808±0.182477953392184 --- --- --- ---
ρ
(g/cm3)
--- ---
2.3946182+0.6519855-0.4685854
--- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Source Burt et al. 2021 Rosenthal et al. 2021
ω
(deg)
220.95±125.17
-50.0+69.0-26.0
Mp sin i
(M)
10.26±0.99
10.4+1.1-1.2
Mp sin i
(MJup)
0.03228±0.00311
0.0326+0.0036-0.0038
e
0.090±0.060
0.19+0.13-0.12
P
(days)
35.450±0.011
35.466+0.015-0.016
K
(m/s)
2.28±0.20
2.42+0.27-0.28
a
(au)
0.1980±0.0004 0.1954±0.0025
TC
(days)
---
2455216.8+1.3-1.4
(BJD)
Status
Confirmed Planet
Detected By
Radial Velocity
Source Burt et al. 2021
ω
(deg)
198.12±96.34
Mp sin i
(M)
9.440±1.630
Mp sin i
(MJup)
0.02970±0.00513
e
0.12±0.08
P
(days)
154.43±0.44
K
(m/s)
1.29±0.22
a
(au)
0.528±0.010
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     124 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
2 Confirmed Planets
3 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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