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GJ 328 Overview

GJ 328 0.67 R⦿ 3900.00 K
GJ 328 c
GJ 328 b
Architecture
GJ 328
GJ 328
GJ 328 c
GJ 328 b
Other Data
Bibliography 11
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
GJ 328 GJ 328 c Radial Velocity 2023 Pinamonti et al. 2023 Confirmed Planet
GJ 328 GJ 328 b Radial Velocity 2013 Robertson et al. 2013 Confirmed Planet
RA
08h55m07.67s
Dec
+01d32m31.20s
Distance
20.52660±0.01685 pc
Parallax
48.6883000±0.0396313 mas
Ecliptic Latitude
-15.2121 deg
Ecliptic Longitude
135.78544 deg
Galactic Latitude
27.99859 deg
Galactic Longitude
226.70991 deg
Total Proper Motion
1046.9266282±0.0495706 mas/yr
Proper Motion (RA)
44.7451000±0.0701243 mas/yr
Proper Motion (Dec)
-1045.9700000±0.0495252 mas/yr
Photometry
mV
9.990±0.100
mTESS
8.3583900±0.0072493
mJ
7.191±0.027
mH
6.523±0.018
mKs
6.352±0.026
mW1
6.301±0.081
mW2
6.185±0.026
mW3
6.271±0.015
mW4
6.213±0.053
mIc
---
mGaia
9.286100±0.000382
mB
11.305±0.083
mg
10.8176000±0.0003195
mi
12.5567000±0.0094691
mr
13.1128000±0.0093174
mu
15.5483000±0.0100531
mz
9.3510300±0.0010204
Abundances
(Hypatia Catalog)
[Fe/H] -0.09±0.04 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Pinamonti et al. 2023 TICv8 Gaia DR2 Turnbull 2015 Robertson et al. 2013 Duncan et al. 1991
S Index
--- --- --- --- --- 1.1345
Teff
(K)
3897±71 3923.0±157.0
3989.910+189.330-133.465
 3920 3900±100 ---
Metallicity
(dex)
-0.060±0.090 [Fe/H] --- --- --- 0.00±0.15 [M/H] ---
M✶
(M⦿)
0.65±0.08 0.6277280±0.0203443 --- 0.55 0.69±0.05 ---
Sp. T
M0.0 --- --- M1 M1 ---
L✶
(log10(L⦿))
-1.08±0.10
-1.043934+0.086661-0.108377
-0.992799804+0.000539903-0.000540583
-1.000 +0.279-1.000
--- ---
R✶
(R⦿)
0.63±0.07 0.650802±0.019456
0.6673084+0.0469881-0.0590919
 0.67 --- ---
ρ✶
(g/cm3)
--- 3.2106256±0.1841952 --- --- --- ---
log g
(log10(cm/s2))
4.64±0.07 4.6089400±0.0118944 --- --- --- ---
CAII LOG RHK
-4.679±0.031 --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Pinamonti et al. 2023
Mp sin i
(M⨁)
21.4+3.4-3.2
Mp sin i
(MJup)
0.0673+0.0107-0.0101
P
(days)
241.8+1.3-1.7
K
(m/s)
2.95+0.39-0.38
a
(au)
0.657+0.026-0.028
TC
(days)
2458478.8+5.4-5.3
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Pinamonti et al. 2023 Robertson et al. 2013
ω
(deg)
-76.2±6.3 290±3.0
Mp sin i
(M⨁)
798±73 731.0±41.32
Mp sin i
(MJup)
2.51±0.23 2.3±0.13
e
0.227±0.015 0.37±0.05
P
(days)
3771±17 4100±300
K
(m/s)
42.6+1.8-1.7
 40±2.0
a
(au)
4.11+0.16-0.18
 4.5±0.20
TC
(days)
2456177±45 ---
Tp
(days)
--- 2454500±100
Print
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     70 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     58 Optical Spectra Robertson et al. 2013
Known Objects
2 Confirmed Planets
2 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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