Kapteyn Overview

Kapteyn 0.29 R⦿ 3550.00 K
Kapteyn c
Architecture
Kapteyn
Kapteyn
Kapteyn c
Other Data
Bibliography 20
Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
Kapteyn Kapteyn c Radial Velocity 2014 Anglada-Escudé et al. 2014 Confirmed Planet
RA
05h11m50.08s
Dec
-45d02m34.87s
Distance
3.93305±0.00041 pc
Parallax
254.2260000±0.0263103 mas
Ecliptic Latitude
-67.53607 deg
Ecliptic Longitude
67.30837 deg
Galactic Latitude
-35.97592 deg
Galactic Longitude
250.56446 deg
Total Proper Motion
8644.9046131±0.0498602 mas/yr
Proper Motion (RA)
6491.4700000±0.0488017 mas/yr
Proper Motion (Dec)
-5709.2200000±0.0511962 mas/yr
Photometry
mV
8.86±0.10
mTESS
7.0528900±0.0074041
mJ
5.821±0.026
mH
5.316±0.027
mKs
5.049±0.021
mW1
4.921±0.204
mW2
4.295±0.108
mW3
4.733±0.016
mW4
4.600±0.027
mIc
6.895
mGaia
8.061980±0.000588
mB
10.329±0.037
Source TICv8 Gaia DR2 Turnbull 2015 Anglada-Escudé et al. 2014 Wright et al. 2004 Nordstrom et al. 2004 Nidever et al. 2002 Hawley et al. 1996 Michigan Catalog, Vol. 2 Cannon & Pickering 1918
S Index
--- --- --- --- 0.325±0.042 --- --- --- --- ---
Teff
(K)
3742.0±157.0
3979.3652+120.4550-84.2852
3819 3550±50 --- --- --- --- --- ---
Metallicity
(dex)
--- --- --- -0.89 [M/H] --- --- --- --- --- ---
M
(M⦿)
0.278894±0.020187 --- 0.32 0.281±0.014 --- --- --- --- --- ---
R
(R⦿)
0.3019940±0.0090516 --- 0.25 0.291±0.025 --- --- --- --- --- ---
L
(log10(L⦿))
-1.79289+0.08950-0.11286
---
-2.000 +1.000-0.903
--- --- --- --- --- --- ---
Sp. T
--- --- M2.0V --- --- --- --- M1.0 M0 V K2
γ
(km/s)
--- 244.98714856994843±0.18186498653436 --- --- --- 245.2±0.2 245.2 --- --- ---
v sin i
(km/s)
--- --- --- --- --- 6 --- --- --- ---
ρ
(g/cm3)
14.2760421±0.2486074 --- --- --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.9235100±0.0054486 --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Anglada-Escudé et al. 2014
ω
(deg)
3.9 +28.9-33.2
Mp sin i
(M)
7.0 +1.2-1.0
Mp sin i
(MJup)
0.022 +0.004-0.003
e
0.23 +0.10-0.12
P
(days)
121.54±0.25
K
(m/s)
2.27 +0.28-0.26
a
(au)
0.311 +0.038-0.014
Literature Stellar Spectra (2 Files)
File Type Spectrum Type Wavelength Category Reference
Spectra     echelle grating Optical California Planet Search
Spectra     echelle grating Optical California Planet Search
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     103 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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