HD 86728 Overview

HD 86728 1.24 R⦿ 5610.00 K
HD 86728 b
Architecture
HD 86728
HD 86728
HD 86728 b
Other Data
Bibliography 20
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
HD 86728 HD 86728 b Radial Velocity 2025 Gupta et al. 2025 Confirmed Planet
RA
10h01m00.01s
Dec
+31d55m18.56s
Distance
14.9202+0.0481-0.0479
pc
Parallax
66.995800±0.214123 mas
Ecliptic Latitude
18.51763 deg
Ecliptic Longitude
140.99534 deg
Galactic Latitude
52.85093 deg
Galactic Longitude
195.01832 deg
Total Proper Motion
681.334134±0.249616 mas/yr
Proper Motion (RA)
-528.807000±0.274233 mas/yr
Proper Motion (Dec)
-429.627000±0.206812 mas/yr
Photometry
mV
5.37988±0.02300
mTESS
4.7727±0.0070
mJ
4.267±0.328
mH
4.040±0.258
mKs
3.821±0.036
mGaia
5.2094000±0.0028065
mB
6.045±0.020
Source Gupta et al. 2025 TICv8 Turnbull 2015 Takeda et al. 2007 Valenti & Fischer 2005 Wright et al. 2004 Nordstrom et al. 2004 Gray et al. 2003 Nidever et al. 2002 Duncan et al. 1991 Cannon & Pickering 1918
Teff
(K)
5610±46
5742.000+150.087-138.054
5700 --- --- --- --- --- --- --- ---
L
(log10(L⦿))
0.1351+0.0044-0.0045
0.13658931+0.01147625-0.01253004
0.167 +0.029-0.031
--- --- --- --- --- --- --- ---
Metallicity
(dex)
0.20±0.02 [Fe/H] 0.2±0.1 [M/H] 0.2 [Fe/H] --- --- --- --- --- --- --- ---
v sin i
(km/s)
2.4±0.5 --- --- --- 3.4±0.5 --- 2 --- --- --- ---
M
(M⦿)
0.967±0.010
1.030000+0.146921-0.110163
0.96
0.960+0.040-0.027
--- --- --- --- --- --- ---
R
(R⦿)
1.237±0.019
1.1825500+0.0707734-0.0628347
1.06 1.06±0.04 --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.25±0.02
4.3052600+0.0919375-0.0729658
4.4
4.40+0.05-0.04
--- --- --- --- --- --- ---
ρ
(g/cm3)
---
0.878092+0.216049-0.186180
--- --- --- --- --- --- --- --- ---
S Index
--- --- --- --- --- 0.152±0.020 --- --- --- 0.1557 ---
CAII LOG RHK
--- --- --- --- --- -5.06 --- --- --- --- ---
Age
(Gyr)
--- --- 9.52
9.520+2.360-3.120
--- --- --- --- --- --- ---
Sp. T
--- --- G1V --- --- --- --- G4 V --- --- G5
γ
(km/s)
--- --- --- --- 56.0 --- 55.8±0.1 --- 56.0 --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Gupta et al. 2025
ω
(deg)
92.0+43.0-113.0
Mp sin i
(M)
9.43+0.56-0.57
Mp sin i
(MJup)
0.0297+0.0018-0.0018
e
0.0670+0.0650-0.0460
P
(days)
31.1515+0.0059-0.0066
K
(m/s)
1.97±0.12
a
(au)
0.19160+0.00066-0.00065
TC
(days)
2459260.69+0.51-0.49
Literature Stellar Spectra (4 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Spectra     Infrared Beichman et al. 2006
Literature Time Series (2 File Types, 4 Files)
File Type Data Points Filter Reference
Photometric Light Curve     92 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     59 Optical Spectra Howard & Fulton 2016
Radial Velocity Curve     44 Optical Spectra Howard & Fulton 2016
Radial Velocity Curve     15 Optical Spectra Howard & Fulton 2016
Known Objects
1 Confirmed Planets
2 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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