GJ 887 Overview

GJ 887 0.50 R⦿ 3667.00 K
GJ 887 b
GJ 887 c
Architecture
GJ 887
GJ 887
GJ 887 b
GJ 887 c
Discovery Data
Host Planet Method Year Reference Detection
GJ 887 GJ 887 b Radial Velocity 2020 Jeffers et al. 2020 Radial Velocity
GJ 887 GJ 887 c Radial Velocity 2020 Jeffers et al. 2020 Radial Velocity
GJ 887 b GJ 887 c
RA
23h05m52.04s
Dec
-35d51m11.0s
Distance
---
Parallax
---
Ecliptic Latitude
-27.51179947 deg
Ecliptic Longitude
332.6843148 deg
Galactic Latitude
-65.95704 deg
Galactic Longitude
5.10069 deg
Total Proper Motion
---
Proper Motion (RA)
---
Proper Motion (Dec)
---
Photometry
Source Jeffers et al. 2020 Gaia DR2 Turnbull 2015 Wright et al. 2004 Nordstrom et al. 2004 Nidever et al. 2002 Hawley et al. 1996 Michigan Catalog, Vol. 3 Cannon & Pickering 1918
S Index
--- --- --- 1.070±0.139 --- --- --- --- ---
Teff
(K)
3688±86
3957.3574+77.5552-81.8300
3667 --- --- --- --- --- ---
L
(log10(L⦿))
-1.43+0.04-0.05
---
-1.398 +0.544-0.176
--- --- --- --- --- ---
M
(M⦿)
0.489±0.050 --- 0.44 --- --- --- --- --- ---
R
(R⦿)
0.4712±0.0860 --- 0.50 --- --- --- --- --- ---
Sp. T
M1 V --- M1.0V --- --- --- M0.5 M2/3 V Map
γ
(km/s)
--- 8.172909859624841±0.144854029319970 --- --- 7.5±0.2 8.8 --- --- ---
Metallicity
(dex)
-0.060±0.080 [Fe/H] --- --- --- --- --- --- --- ---
v sin i
(km/s)
2.5±1.0 --- --- --- 1 --- --- --- ---
Age
(Gyr)
2.88+3.85-2.88
--- --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.78 --- --- --- --- --- --- --- ---
Status
Confirmed
Tools
Source Jeffers et al. 2020
Teq
(K)
468
S
(S)
7.95±0.20
Mp sin i
(M)
4.2±0.6
Mp sin i
(MJup)
0.013±0.002
e
0
P
(days)
9.262±0.001
K
(m/s)
2.1+0.3-0.2
a
(au)
0.068±0.002
Status
Confirmed
Tools
Source Jeffers et al. 2020
Teq
(K)
352
S
(S)
2.56±0.20
Mp sin i
(M)
7.6±1.2
Mp sin i
(MJup)
0.024±0.004
P
(days)
21.789+0.004-0.005
K
(m/s)
2.8±0.4
a
(au)
0.120±0.004
Known Objects
2 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
2 KELT Time Series
2 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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