eps Tau Overview

eps Tau 13.70 R⦿ 4901.00 K
eps Tau b
Architecture
eps Tau
eps Tau
eps Tau b
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
-2.56738 deg
Ecliptic Longitude
68.46161 deg
Galactic Latitude
-19.92339 deg
Galactic Longitude
177.59682 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
mGaia
3.272980±0.004088
mB
4.540±0.017
Abundances
(Hypatia Catalog)
[Fe/H] 0.19±0.09 dex
[C/H] 0.05±0.07 dex
[O/H] 0.16±0.10 dex
[Na/H] 0.41±0.16 dex
[Mg/H] 0.20±0.14 dex
[Al/H] 0.26±0.14 dex
[Si/H] 0.30±0.13 dex
[Ca/H] 0.12±0.09 dex
[Y/H] 0.18±0.08 dex
[BaII/H] 0.20±0.03 dex
Source Teng et al. 2023 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)
4877 4932.61000±6.81149 4950±22
4670.750+843.750-347.417
4946±70 --- 4901±20 --- ---
L
(log10(L⦿))
1.893+0.030-0.034
--- ---
2.0743607+0.0101257-0.0103675
--- --- 1.987±0.037 --- ---
v sin i
(km/s)
--- --- --- --- --- --- 2.5 --- ---
M
(M⦿)
2.57+0.17-0.25
--- 2.458±0.073 --- 2.73±0.10
2.7 +0.3-0.2
2.7±0.1 --- ---
R
(R⦿)
12.35+0.41-0.36
--- ---
16.636415+2.781180-4.701460
--- --- 13.7±0.6 --- ---
Metallicity
(dex)
0.10+0.11-0.10
[Fe/H]
0.1998430±0.0081983 [M/H] 0.15±0.02 [Fe/H] --- 0.17±0.06 [Fe/H] --- --- --- ---
log g
(log10(cm/s2))
2.66+0.03-0.05
--- 2.67 --- 2.62±0.15 --- --- --- ---
Sp. T
K0 III --- --- --- --- --- --- K0 III K0
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Teng et al. 2023 Arentoft et al. 2019 Kunitomo et al. 2011 Sato et al. 2007
Tp
(days)
2453492.3+11.3-10.0
--- --- 2452879±12
ω
(deg)
107.90+6.82-6.07
--- --- 94.4±7.4
Mp sin i
(M)
2285±18 2257±64
2332.8 +158.9-127.1
2415.406±63.563
Mp sin i
(MJup)
7.190±0.056 7.1±0.2
7.34 +0.5-0.4
7.6±0.2
e
0.076+0.009-0.008
--- --- 0.151±0.023
P
(days)
585.82+0.26-0.33
--- --- 594.9±5.3
K
(m/s)
93.24+0.74-0.73
--- --- 95.9±1.8
a
(au)
1.878±0.001 ---
1.90 +0.07-0.05
1.93±0.03
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
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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