NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

eps Tau Overview

eps Tau 13.70 R⦿ 4901.00 K
eps Tau b
Architecture
eps Tau
eps Tau
eps Tau b
Other Data
Bibliography 15
Exoplanet Archive Notes 2
Nearby Data 3
Discovery Data
Host Planet Method Year Reference Disposition
eps Tau eps Tau b Radial Velocity 2006 Sato et al. 2007 Confirmed Planet
eps Tau
RA
04h28m37.12s
Dec
+19d10m49.00s
Distance
47.52852±1.85235 pc
Parallax
21.04±0.82 mas
Ecliptic Latitude
-2.567153 deg
Ecliptic Longitude
68.46504 deg
Galactic Latitude
-19.92365 deg
Galactic Longitude
177.5964 deg
Total Proper Motion
113.8901159±2.0000000 mas/yr
Proper Motion (RA)
108.17±2.00 mas/yr
Proper Motion (Dec)
-35.64±2.00 mas/yr
Photometry
mV
3.523±0.023
mTESS
2.6539±1.6632
mJ
1.748±0.284
mH
1.314±0.226
mKs
1.422±0.254
Tools
IRSA Finding Chart
Source TICv8 Arentoft et al. 2019 Gaia DR2 Mortier et al. 2013 Kunitomo et al. 2011 Sato et al. 2007 Garrison & Beattie 1998 Cannon & Pickering 1918
Teff
(K)
4932.61000±6.81149 4950±22
4670.750+843.750-347.417
 4946±70 --- 4901±20 --- ---
L✶
(log10(L⦿))
--- ---
2.0743607+0.0101257-0.0103675
 --- --- 1.987±0.037 --- ---
v sin i
(km/s)
--- --- --- --- --- 2.5 --- ---
M✶
(M⦿)
--- 2.458±0.073 --- 2.73±0.10
2.7 +0.3-0.2
2.7±0.1 --- ---
R✶
(R⦿)
--- ---
16.636415+2.781180-4.701460
 --- --- 13.7±0.6 --- ---
Metallicity
(dex)
0.1998430±0.0081983 [M/H] 0.15±0.02 [Fe/H] --- 0.17±0.06 [Fe/H] --- --- --- ---
log g
(log10(cm/s2))
--- 2.67 --- 2.62±0.15 --- --- --- ---
Sp. T
--- --- --- --- --- --- K0 III K0
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Sato et al. 2007 Arentoft et al. 2019 Kunitomo et al. 2011
Mp sin i
(M⨁)
2415.406±63.563 2257±64
2332.8 +158.9-127.1
Mp sin i
(MJup)
7.6±0.2 7.1±0.2
7.34 +0.5-0.4
a
(au)
1.93±0.03 ---
1.90 +0.07-0.05
Tp
(days)
2452879±12 --- ---
ω
(deg)
94.4±7.4 --- ---
e
0.151±0.023 --- ---
P
(days)
594.9±5.3 --- ---
K
(m/s)
95.9±1.8 --- ---
Print
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     66 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     20 Optical Spectra Sato et al. 2007
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
External Link
Search
Browse
Download

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.