tau Gem Overview
tau Gem
31.16
R⦿
4408.33
K
tau Gem b
- Other Data
- Bibliography 12
- Exoplanet Archive Notes 1
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| tau Gem | tau Gem b | Radial Velocity | 2013 | Mitchell et al. 2013 | Confirmed Planet |
tau Gem
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- RA
- 07h11m08.33s
- Dec
- +30d14m41.84s
- Distance
-
112.537+4.253-3.959pc
- Parallax
- 8.877860±0.321048 mas
- Ecliptic Latitude
- 7.75423 deg
- Ecliptic Longitude
- 105.44033 deg
- Galactic Latitude
- 17.19879 deg
- Galactic Longitude
- 187.21879 deg
- Total Proper Motion
- 57.6443033±0.4464001 mas/yr
- Proper Motion (RA)
- -31.494100±0.492883 mas/yr
- Proper Motion (Dec)
- -48.280300±0.425082 mas/yr
- Photometry
-
mV4.37799±0.02300
-
mTESS3.3457±1.9582
-
mJ2.377±0.312
-
mH1.821±0.190
-
mKs1.681±0.254
-
mW1-0.93
-
mW2-0.332
-
mW31.583±0.019
-
mW41.517±0.014
-
mGaia4.0399600±0.0067088
-
mB5.667±0.015
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.20±0.02 dex
-
[C/H] -0.05±0.09 dex
-
[O/H] 0.15±0.09 dex
-
[Na/H] 0.45±0.04 dex
-
[Mg/H] 0.44±0.07 dex
-
[Al/H] 0.26±0.06 dex
-
[Si/H] 0.36±0.05 dex
-
[Ca/H] -0.02±0.06 dex
-
[Y/H] 0.20±0.08 dex
-
[BaII/H] -0.13±0.19 dex
| Source | TICv8 | Gaia DR2 | Mitchell et al. 2013 | Cannon & Pickering 1918 |
|---|---|---|---|---|
|
Teff
(K)
|
4482.0±122.0 |
4408.3335+50.0000-68.3335
|
4388±25 | --- |
|
L✶
(log10(L⦿))
|
--- |
2.5189486+0.0173719-0.0180958
|
--- | --- |
|
γ
(km/s)
|
--- | 21.270827803931777±0.283591171761490 | 22.02±0.07 | --- |
|
R✶
(R⦿)
|
28.7152 |
31.158610+0.988912-0.694968
|
26.8±0.7 | --- |
|
Sp. T
|
--- | --- | K2 III | K0 |
|
Metallicity
(dex)
|
--- | --- | 0.14±0.1 [Fe/H] | --- |
|
v sin i
(km/s)
|
--- | --- | 1.0 | --- |
|
Age
(Gyr)
|
--- | --- | 1.22±0.76 | --- |
|
M✶
(M⦿)
|
--- | --- | 2.3±0.3 | --- |
|
log g
(log10(cm/s2))
|
--- | --- | 1.96±0.08 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Mitchell et al. 2013 | Mitchell et al. 2003 |
|---|---|---|
|
Mp sin i
(M⨁)
|
6547.0 | 5752.48 |
|
Mp sin i
(MJup)
|
20.6 | 18.1 |
|
P
(days)
|
305.5±0.1 | 305 |
|
Tp
(days)
|
2453270.7±14.8 | --- |
|
ω
(deg)
|
137.4±0.3 | --- |
|
e
|
0.031±0.009 | --- |
|
K
(m/s)
|
350.2 | --- |
|
a
(au)
|
1.17 | --- |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 119 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr
Mitchell et al. 2013 | Reference Overview -
Four Substellar Companions Found Around K Giant Stars
Mitchell et al. 2003 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 | 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 -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | 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
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download
