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alf Tau Overview

alf Tau B 0.35 R⦿ 3398.00 K
alf Tau 47.70 R⦿ 3889.00 K
alf Tau b
Architecture
alf Tau
alf Tau B
alf Tau
alf Tau b
Other Data
Bibliography 13
Exoplanet Archive Notes 2
alf Tau B Nearby Data 4
alf Tau Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
alf Tau alf Tau b Radial Velocity 2015 Hatzes et al. 2015 Confirmed Planet
alf Tau
  • This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
alf Tau
  • Some stellar parameter values may be biased due to companion blend (WDS Catalog)
RA
04h35m57.31s
Dec
+16d30m18.26s
Distance
21.1103+0.0475-0.0472
pc
Parallax
47.341700±0.105504 mas
Ecliptic Latitude
-5.47269 deg
Ecliptic Longitude
69.79681 deg
Galactic Latitude
-20.24439 deg
Galactic Longitude
180.9809 deg
Total Proper Motion
205.6986489±0.1431762 mas/yr
Proper Motion (RA)
56.998100±0.217369 mas/yr
Proper Motion (Dec)
-197.644000±0.135184 mas/yr
Photometry
mV
13.2142±0.0473
mTESS
10.8093±0.0064
mJ
---
mH
---
mKs
---
mW1
---
mW2
---
mW3
---
mW4
---
mGaia
11.935700±0.001128
mB
---
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8
Teff
(K)
3398.0000+75.0954-103.8730
L✶
(log10(L⦿))
-1.84089+0.06721-0.07069
ρ✶
(g/cm3)
13.5501648+8.8802844-5.6242060
M✶
(M⦿)
0.4000000+0.0857516-0.0830786
R✶
(R⦿)
0.3465460+0.0399286-0.0387799
log g
(log10(cm/s2))
4.960610+0.217941-0.122023
Print
RA
04h35m55.24s
Dec
+16d30m33.12s
Distance
20.4332±0.3214 pc
Parallax
48.94±0.77 mas
Ecliptic Latitude
-5.46742 deg
Ecliptic Longitude
69.78919 deg
Galactic Latitude
-20.24835 deg
Galactic Longitude
180.972 deg
Total Proper Motion
199.2234926±8.0000000 mas/yr
Proper Motion (RA)
63.0±8.0 mas/yr
Proper Motion (Dec)
-189.0±8.0 mas/yr
Photometry
mV
0.872±0.023
mTESS
-1.200±0.209
mJ
-2.095±0.194
mH
-2.775±0.170
mKs
-3.044±0.140
mW1
5.605
mW2
1.267
mW3
-2.783
mW4
-2.927±0.003
mGaia
---
mB
0.375±0.208
Abundances
(Hypatia Catalog)
[Fe/H] -0.20±0.20 dex
[Na/H] 0.19±0.04 dex
[Mg/H] 0.06±0.13 dex
[Si/H] -0.12±0.09 dex
[Ca/H] -0.19±0.14 dex
[Y/H] -0.22±0.08 dex
[BaII/H] -0.30±0.15 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8 Turnbull 2015 Hatzes et al. 2015
 Gray et al. 2006 Gray et al. 2003 Garrison & Beattie 1998 Cannon & Pickering 1918
Teff
(K)
3902.5600±14.1249 3889 4055±70 --- --- --- ---
L✶
(log10(L⦿))
--- 2.672±0.000 --- --- --- --- ---
M✶
(M⦿)
--- 4.84 1.13±0.11 --- --- --- ---
R✶
(R⦿)
--- 47.70 45.1±0.1 --- --- --- ---
Sp. T
--- K5III K5 III K5 III K5 III K5 III K5
Metallicity
(dex)
-0.3783290±0.0183425 [M/H] --- -0.27±0.05 [Fe/H] --- --- --- ---
Age
(Gyr)
--- --- 6.6±2.4 --- --- --- ---
log g
(log10(cm/s2))
--- --- 1.2±0.1 --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Hatzes et al. 2015
Tp
(days)
2451297.0±50.0
ω
(deg)
287±29
Mp sin i
(M⨁)
2056±168
Mp sin i
(MJup)
6.47±0.53
e
0.10±0.05
P
(days)
628.96±0.90
K
(m/s)
142.1±7.2
a
(au)
1.46±0.27
Print
Literature Time Series (1 File Type, 1 File)
File Type Data Points Filter Reference
Photometric Light Curve     58 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 Associated Literature Data
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
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