51 Eri Overview
GJ 3305
0.49
R⦿
GJ 3305 B
51 Eri
1.56
R⦿
7190.10
K
51 Eri b
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| 51 Eri | 51 Eri b | 9100 d | < 3464.33 M⨁ | Imaging | 2015 | Macintosh et al. 2015 | Confirmed Planet |
51 Eri
- This reference contains discussion regarding the stellar multiplicity of this system. (Feigelson et al. 2006)
- This reference contains discussion regarding the stellar multiplicity of this system. (Kasper et al. 2007)
- This reference contains discussion regarding the stellar multiplicity of this system. (Montet et al. 2015)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- Effective temperature entered under equilibrium temperature. (Macintosh et al. 2015)
- Effective temperature entered as equilibrium temperature. (Elliott et al. 2024)
- RA
- 04h37m37.51s
- Dec
- -02d29m29.65s
- Distance
- 21.82353 pc
- Parallax
- ---
- Ecliptic Latitude
- -24.32371 deg
- Ecliptic Longitude
- 67.31276 deg
- Galactic Latitude
- -30.66181 deg
- Galactic Longitude
- 198.63403 deg
- Total Proper Motion
- 98.97±2.00 mas/yr
- Proper Motion (RA)
- 44.89±2.00 mas/yr
- Proper Motion (Dec)
- -88.2±2.0 mas/yr
- Photometry
-
mV10.558±0.042
-
mTESS8.569±0.015
-
mJ7.299±0.019
-
mH6.639±0.049
-
mKs6.413±0.018
-
mW16.355±0.035
-
mW26.177±0.023
-
mW36.163±0.015
-
mW46.010±0.055
-
mIc---
-
mGaia---
-
mB11.943±0.008
| Source | TICv8 | Hawley et al. 1996 |
|---|---|---|
|
Sp. T
|
--- | M0.5 |
|
L✶
(log10(L⦿))
|
-1.38904+0.11557-0.15794
|
--- |
|
ρ✶
(g/cm3)
|
6.25035±2.85839 | --- |
|
M✶
(M⦿)
|
0.528±0.097 | --- |
|
R✶
(R⦿)
|
0.492±0.075 | --- |
|
log g
(log10(cm/s2))
|
4.777130±0.355951 | --- |
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
-
mV---
-
mTESS---
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mIc---
-
mGaia---
-
mB---
- RA
- 04h37m36.18s
- Dec
- -02d28m25.77s
- Distance
-
29.7575+0.1213-0.1203pc
- Parallax
- 33.577000±0.135431 mas
- Ecliptic Latitude
- -24.30532 deg
- Ecliptic Longitude
- 67.30974 deg
- Galactic Latitude
- -30.65764 deg
- Galactic Longitude
- 198.61297 deg
- Total Proper Motion
- 77.7287954±0.1954289 mas/yr
- Proper Motion (RA)
- 44.352300±0.227124 mas/yr
- Proper Motion (Dec)
- -63.83290±0.17812 mas/yr
- Photometry
-
mV5.21149±0.02300
-
mTESS4.9574±0.0065
-
mJ4.744±0.037
-
mH4.770±0.076
-
mKs4.537±0.024
-
mW14.543±0.210
-
mW24.310±0.117
-
mW34.575±0.018
-
mW44.390±0.023
-
mIc4.889
-
mGaia5.1580600±0.0023075
-
mB5.486±0.023
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.06±0.04 dex
-
[C/H] 0.02±0.09 dex
-
[O/H] -0.05±0.09 dex
-
[Na/H] -0.10±0.04 dex
-
[Mg/H] 0.05±0.07 dex
-
[Si/H] 0.03±0.05 dex
-
[Ca/H] 0.05±0.06 dex
| Source | Elliott et al. 2024 | Dupuy et al. 2022 | Swastik et al. 2021 | TICv8 | Gaia DR2 | Turnbull 2015 | Macintosh et al. 2015 | Reiners & Schmitt 2003b | Michigan Catalog, Vol. 5 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
7422±58 | --- |
7276+11-9
|
7295.0000+120.0900-98.9939
|
7190.1+183.4-159.1
|
7257 | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
0.7574+0.0072-0.0074
|
--- | --- |
0.7515689+0.0131444-0.0197218
|
0.76526548+0.00214206-0.00215269
|
0.763±0.003 | 0.85±0.06 | --- | --- | --- |
|
R✶
(R⦿)
|
1.45±0.02 | --- | --- |
1.4872600+0.0454337-0.0550789
|
1.5553048+0.0711844-0.0764075
|
1.52 | --- | --- | --- | --- |
|
Metallicity
(dex)
|
0.13+0.03-0.02
[Fe/H]
|
--- |
0.13+0.03-0.02
[Fe/H]
|
--- | --- | --- | -0.027±0.045 [M/H] | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | --- | --- | --- | 17.3±3 | --- | --- | --- |
|
Age
(Gyr)
|
0.0232+0.0017-0.0020
|
--- | --- | --- | --- | --- | 0.020±0.006 | --- | --- | --- |
|
M✶
(M⦿)
|
1.550+0.006-0.005
|
1.75±0.05 | --- |
1.650000+0.356948-0.178436
|
--- | 1.57 | 1.75±0.05 | --- | --- | --- |
|
Sp. T
|
--- | --- | --- | --- | --- | F0V | F0 IV | --- | F0 V | A5 |
|
v sin i
(km/s)
|
--- | --- |
65.19+0.14-0.17
|
--- | --- | --- | --- | 71.8±3.6 | --- | --- |
|
log g
(log10(cm/s2))
|
4.09±0.21 | --- |
4.08+0.03-0.02
|
4.3107800+0.0901736-0.0742045
|
--- | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- | --- | --- |
0.7071153+0.1597375-0.1346839
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Imaging
| Source | Dupuy et al. 2022 | Elliott et al. 2024 | Maire et al. 2019 | De Rosa et al. 2015 | Macintosh et al. 2015 |
|---|---|---|---|---|---|
|
Tp
(days)
|
2461699+913-804
(JD)
|
--- |
2455563+5844-1826
(JD)
|
2456946.4+4135.1-4194.3
(JD)
|
--- |
|
ω
(deg)
|
82.0±23.0 | --- |
87.0+34.0-30.0
|
90.0±58.0 | --- |
|
e
|
0.57+0.08-0.06
|
--- |
0.45+0.10-0.15
|
0.21+0.19-0.15
|
--- |
|
i
(deg)
|
141+9-7
|
--- |
133+14-7
|
138+15-13
|
--- |
|
P
(days)
|
9100+1100-1500
|
--- |
11688.00+6209.25-3287.25
|
14965+12775-4380
|
--- |
|
a
(au)
|
10.4+0.8-1.1
|
--- |
12+4-2
|
14+7-3
|
13.2±0.2 |
|
Teq
(K)
|
--- | 807±45 | --- | --- | 700 |
|
Mp
(M⨁)
|
<3464 | 1303±127 | --- | --- | 636 |
|
Mp
(MJup)
|
<10.9 | 4.1±0.4 | --- | --- | 2 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 105 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
Measuring the stellar and planetary parameters of the 51 Eridani system
Elliott et al. 2024 | Reference Overview -
Limits on the mass and initial entropy of 51 Eri b from Gaia EDR3 astrometry
Dupuy et al. 2022 | Reference Overview -
Host Star Metallicity of Directly Imaged Wide-orbit Planets: Implications for Planet Formation
Swastik et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Hint of curvature in the orbital motion of the exoplanet 51 Eridani b using 3 yr of VLT/SPHERE monitoring
Maire et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Spectral and atmospheric characterization of 51 Eridani b using VLT/SPHERE
Samland et al. 2017 | Reference Overview -
Characterizing 51 Eri b from 1 to 5 μm: A Partly Cloudy Exoplanet
Rajan et al. 2017 | Reference Overview -
Astrometric Confirmation and Preliminary Orbital Parameters of the Young Exoplanet 51 Eridani b with the Gemini Planet Imager
De Rosa et al. 2015 | Reference Overview -
Dynamical Masses of Young M Dwarfs: Masses and Orbital Parameters of GJ 3305 AB, the Wide Binary Companion to the Imaged Exoplanet Host 51 Eri
Montet et al. 2015 | Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
Discovery and spectroscopy of the young jovian planet 51 Eri b with the Gemini Planet Imager.
Macintosh et al. 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
UCAC3 Catalogue
Zacharias et al. 2009 | Reference Overview -
A novel L-band imaging search for giant planets in the Tucana and β Pictoris moving groups
Kasper et al. 2007 | Reference Overview -
51 Eridani and GJ 3305: A 10-15 Myr old Binary Star System at 30 Parsecs
Feigelson et al. 2006 | Reference Overview -
Differential rotation in rapidly rotating F-stars
Reiners & Schmitt 2003b | 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 -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 5
Michigan Catalog, Vol. 5 | 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 -
The Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 | Reference Overview -
VRI photometry of southern stars.
Cousins 1980b | 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
