tau Boo Overview
tau Boo B
tau Boo
1.46
R⦿
6387.00
K
tau Boo b
- Other Data
- Bibliography 30
- Exoplanet Archive Notes 5
- tau Boo B Nearby Data 4
- tau Boo Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| tau Boo | tau Boo b | Radial Velocity | 1996 | Butler et al. 1997 | Confirmed Planet |
tau Boo
- This reference contains discussion regarding the stellar multiplicity of this system. (Hale 1994)
- This reference contains discussion regarding the stellar multiplicity of this system. (Desidera & Barbieri 2007)
- This reference contains discussion regarding the stellar multiplicity of this system. (Roberts et al. 2011)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)
- RA
- 13h47m15.46s
- Dec
- +17d26m42.64s
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- 26.50267 deg
- Ecliptic Longitude
- 197.93586 deg
- Galactic Latitude
- 73.88242 deg
- Galactic Longitude
- 358.90156 deg
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
-
mV---
-
mTESS16.437±0.800
-
mJ15.937±0.202
-
mH13.997
-
mKs14.332
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia---
-
mB---
- RA
- 13h47m15.23s
- Dec
- +17d27m25.79s
- Distance
-
15.6521+0.0847-0.0838pc
- Parallax
- 63.863800±0.341438 mas
- Ecliptic Latitude
- 26.51331 deg
- Ecliptic Longitude
- 197.92962 deg
- Galactic Latitude
- 73.89072 deg
- Galactic Longitude
- 358.93289 deg
- Total Proper Motion
- 472.3602962±0.7058742 mas/yr
- Proper Motion (RA)
- -467.909000±0.708654 mas/yr
- Proper Motion (Dec)
- 64.694800±0.540897 mas/yr
- Photometry
-
mV4.48635±0.02300
-
mTESS4.0281±0.0088
-
mJ3.617±0.284
-
mH3.546±0.242
-
mKs3.507±0.348
-
mW1>2.407
-
mW22.744±0.380
-
mW33.340±0.013
-
mW43.290±0.023
-
mGaia4.3661700±0.0064222
-
mB4.966±0.022
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.30±0.12 dex
-
[C/H] 0.33±0.23 dex
-
[O/H] 0.26±0.09 dex
-
[Na/H] 0.37±0.13 dex
-
[Mg/H] 0.22±0.22 dex
-
[Al/H] 0.27±0.20 dex
-
[Si/H] 0.32±0.22 dex
-
[Ca/H] 0.32±0.24 dex
-
[Y/H] 0.58±0.32 dex
-
[BaII/H] 0.35±0.04 dex
| Source |
Rosenthal et al. 2021 |
TICv8 |
Gaia DR2 | Turnbull 2015 | Maldonado et al. 2015 |
Brogi et al. 2012 |
Sanz-Forcada et al. 2010 | Takeda et al. 2007 |
Butler et al. 2006 |
Valenti & Fischer 2005 | Wright et al. 2004 | Nordstrom et al. 2004 | Reiners & Schmitt 2003a | Nidever et al. 2002 |
Butler et al. 1997 |
Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Duncan et al. 1991 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.202±0.026 | --- | --- | --- | --- | 0.1958±0.0012 | 0.1850±0.0042 | 0.1852±0.0041 | 0.1858±0.0065 | 0.1899±0.0071 | 0.1890±0.0043 | 0.1910±0.0047 | 0.1855±0.0063 | 0.1997±0.0142 | 0.1891±0.0085 | 0.1958±0.0012 | 0.1850±0.0042 | 0.1852±0.0041 | 0.1858±0.0065 | 0.1899±0.0071 | 0.1890±0.0043 | 0.1910±0.0047 | --- |
|
CAII LOG RHK
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | -4.70 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
Teff
(K)
|
6461.3211188200±81.2316018427 |
6466.2700+115.2650-96.8038
|
6420.0+70.5-154.5
|
6387 | 6569±43 | 6400 | --- | --- | 6387 | --- | --- | --- | --- | --- | 6450 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
Metallicity
(dex)
|
0.2722003438350±0.0570164250271 [Fe/H] | 0.2642300±0.0199902 [M/H] | --- | 0.23 [Fe/H] | 0.23±0.03 [Fe/H] | 0.5 [Fe/H] | --- | --- | 0.234 [Fe/H] | --- | --- | --- | --- | --- | 0.28 [Fe/H] | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | --- | --- | --- | 14.98 | 15.0±0.5 | --- | 15 | 15.6±1.0 | --- | 14.8 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
1.4032165836799999±0.0339571530583500 |
1.320000+0.243739-0.184934
|
--- | 1.34 | --- | 1.34±0.05 | --- |
1.341+0.054-0.039
|
1.35 | --- | --- | --- | --- | --- | 1.2 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.2641961800500±0.0200954939409 |
4.2504700+0.0944957-0.0738712
|
--- | 4.27 | 4.51±0.08 | 4.5 | --- |
4.27+0.04-0.03
|
4.256 | --- | --- | --- | --- | --- | 4.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
Age
(Gyr)
|
--- | --- | --- | 1.64 | --- | --- | 0.37 |
1.64+0.44-0.52
|
--- | --- | --- | --- | --- | --- | 2 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
Sp. T
|
--- | --- | --- | F7V | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | F7 V | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | F5 |
|
Prot
(days)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 4 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | -16.94305556208496±0.34752163277379 | --- | --- | -16.4±0.1 | --- | --- | --- | -15.9 | --- | -16.2±0.1 | --- | -16.5±0.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
R✶
(R⦿)
|
1.4397031843900±0.0305361053272 |
1.4258800+0.0642849-0.0504688
|
1.4959807+0.0746880-0.0323222
|
1.46 | --- | 1.46±0.05 | --- | 1.46±0.05 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
0.5054772+0.0165990-0.0186666
|
0.53468682+0.00318501-0.00320856
|
0.525±0.008 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- |
0.6419320+0.1455054-0.1346892
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source |
Borsa et al. 2015 |
Rosenthal et al. 2021 |
Brogi et al. 2012 |
Butler et al. 2006 |
Butler et al. 1997 |
|---|---|---|---|---|---|
|
Mp
(M⨁)
|
--- | --- | 1891±89 | --- | --- |
|
Mp
(MJup)
|
--- | --- | 5.95±0.28 | --- | --- |
|
e
|
0.011±0.006 |
0.00740+0.00590-0.00480
|
0 | 0.023±0.015 | 0.018±0.016 |
|
i
(deg)
|
--- | --- | 44.5±1.5 | --- | --- |
|
P
(days)
|
3.3124568±0.0000069 |
3.3124534+0.0000050-0.0000057
|
3.312433±0.000019 | 3.312463±0.000014 | 3.3128±0.0002 |
|
K
(m/s)
|
471.73±2.97 |
467.8+3.1-3.4
|
466.4±3.3 | 461.1±7.6 | 469±5 |
|
Tp
(days)
|
2456400.94±0.30 | --- | --- | 2446957.81±0.54 | --- |
|
ω
(deg)
|
113.4±32.2 |
21+43-63
|
--- | 188 | 254 |
|
Mp sin i
(M⨁)
|
1373±13 | 1367±24 | --- | 1312.58±108.06 | 1229.95 |
|
Mp sin i
(MJup)
|
4.32±0.04 | 4.300±0.075 | --- | 4.13±0.34 | 3.87 |
|
a
(au)
|
0.049±0.003 | 0.04869±0.00039 | --- | 0.0481±0.0028 | 0.0462 |
|
TC
(days)
|
--- |
2453104.828+0.012-0.008
|
--- | --- | --- |
Literature Stellar Spectra
(1 File)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | Infrared | Beichman et al. 2006 |
Literature Time Series
(2 File Types, 4 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 117 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 99 | Optical Spectra | Howard & Fulton 2016 |
| Radial Velocity Curve | 24 | Optical Spectra | Howard & Fulton 2016 |
| Radial Velocity Curve | 98 | Optical Spectra | Butler et al. 2006 |
- 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
-
The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
Rosenthal et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Limits on Planetary Companions from Doppler Surveys of Nearby Stars
Howard & Fulton 2016 | Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
Searching for signatures of planet formation in stars with circumstellar debris discs
Maldonado et al. 2015 | Reference Overview -
The GAPS programme with HARPS-N at TNG. VII. Putting exoplanets in the stellar context: magnetic activity and asteroseismology of τ Bootis A
Borsa et al. 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
The signature of orbital motion from the dayside of the planet tau Bootis b
Brogi et al. 2012 | Reference Overview -
Know the Star, Know the Planet. I. Adaptive Optics of Exoplanet Host Stars
Roberts et al. 2011 | Reference Overview -
Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity
Ghezzi et al. 2010 | Reference Overview -
A scenario of planet erosion by coronal radiation
Sanz-Forcada et al. 2010 | Reference Overview -
Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog
Takeda et al. 2007 | Reference Overview -
Properties of planets in binary systems. The role of binary separation
Desidera & Barbieri 2007 | Reference Overview -
Catalog of Nearby Exoplanets
Butler et al. 2006 | Reference Overview -
IRS Spectra of Solar-Type Stars: A Search for Asteroid Belt Analogs
Beichman et al. 2006 | Reference Overview -
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 | Reference Overview -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 | Reference Overview -
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Rotation and differential rotation in field F- and G-type stars
Reiners & Schmitt 2003a | Reference Overview -
Radial Velocities of 889 late-type stars
Nidever et al. 2002 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Washington Double Star Catalog (WDS, 1996.0)
WDS Catalog | Reference Overview -
Three New "51 Pegasi--Type" Planets
Butler et al. 1997 | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
Orbital CoPlanetary in Solar-Type Binary Systems: Implications for Planetary System Formation and Detection
Hale 1994 | Reference Overview -
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 | Reference Overview -
UBVRIJKL Photometry of Bright Stars
Johnson et al. 1966 | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | Reference Overview
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