Planet eps Ind A b

Name eps Ind A b
Planet Status Confirmed
Discovered in 2018
Mass 3.25 ( -0.65 +0.39 ) MJ
Mass*sin(i)
Semi-Major Axis 11.55 ( -0.71 +4.18 ) AU +
Orbital Period 16509.0 ( -1742.0 +2096.0 ) day +
Eccentricity 0.26 ( -0.03 +0.07 ) +
ω 77.83 ( -31.51 +20.21 ) deg +
Tperi 2442332.95 ( -3450.0 +2353.0 ) JD
Radius
Inclination 64.25 ( -6.09 +13.8 ) deg
Update 2021-12-20
Detection Method Radial Velocity
Mass Detection Method Astrometry
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 29.22 ( -6.07 +5.45 ) m/s +
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

eps Ind A
Name eps Ind A
Distance 3.62 pc
Spectral type K2V
Apparent magnitude V 4.7
Mass 0.762 (± 0.038) MSun
Age 1.4 Gyr
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 22:03:22.0
Dec2000 -56:47:10
Alternate Names GJ 845
Planetary system 1 planet

Remarks

24 Mar 2018 eps Ind A is a member of a triple system, accompanied by a binary brown dwarf at 1460 AU (Feng et al. 2018)

More data


Related publications

The Detectability of Nightside City Lights on Exoplanets
2022 BEATTY Th.
MNRAS, 513, 2652
paper   arxiv

Stellar and substellar companions from Gaia EDR3 -- Proper motion anomaly and resolved common proper motion pairs
2022 KERVELLA P., ARENOU F. & THEVENIN F.
Astron. & Astrophys., 657, A7
paper   arxiv

Constraints on the nearby exoplanet ε Indi Ab from deep near/mid-infrared imaging limits
2021 VISWANATH G., JANSON M., DAHLQVIST C.-H., PETIT dit de la ROCHE D., SAMLAND M. et al.
Astron. & Astrophys., 651, A89
paper   arxiv  

High contrast imaging at ten microns, a search for exoplanets around: Eps Indi A, Eps Eri, Tau Ceti, Sirius A and Sirius B
2021 PATHAK P., PETIT dit de la ROCHE D., KASPER M., STERZIK M., ABSIL O. et al.
Astron. & Astrophys., 652, A121
.paper   arxiv

A Direct Detection of the Closest Jupiter Analog with JWST/MIRI
2021 MATTHEWS E. et al.
JWST GO Programme
abstract

Large-scale changes of the cloud coverage in the ε Indi Ba,Bb system
2020 HITCHCOCK J., HELLING Ch., SCHOLZ A., HODOSAN G., DOMINIK M. et al.
MNRAS, 495, 3881
paper   arxiv

Detection of the nearest Jupiter analog in radial velocity and astrometry data
2019 FENG F., ANGLADA-ESCUDE G., TUOMI M., JONES H., CHANAME J. et al.
MNRAS, in press
paper  arxiv  

Stellar and substellar companions of nearby stars from Gaia DR2 - Binarity from proper motion anomaly
2019 KERVELLA P., ARENOU F., MIGNARD F. & THEVENIN F.
Astron. & Astrophys., 623, A72
paper   arxiv

The K Dwarf Advantage for Biosignatures on Directly Imaged Exoplanets
2019 ARNEY G.
ApJ. Letters, 873, L7
paper  arxiv  

Supervised Machine Learning for Inter-comparision of Model Grids of Brown Dwarfs: Application to GJ 570D and the Epsilon Indi B Binary System
2019 ORESHENKO M., KITZMANN D., MARQUEZ-NELLA P., MALIK M., MARLEY M. et al.
ApJ, submitted
arxiv  

Detection of the closest Jovian exoplanet in the Epsilon Indi triple system
2018 FENG F., TUOMI M. & JONES H.
MNRAS
arxiv  

Dynamical Masses of ε Indi B and C: Two Massive Brown Dwarfs at the Edge of the Stellar–substellar Boundary
2018 DIETERICH S., WEINBERGER A., BOSS A., HENRY T., JAO W.-C. et al.
ApJ, 865, 28
arxiv