|
Exoplanet Name : |
eps Ind A b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
2.9600 |
(Mjup) |
941.0965 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
11.0800 |
(AU) |
11.0800 |
(AU Est.) |
|
Eccentricity : |
0.4200 |
|
Orbital Period(Yrs) |
42.9187 |
|
Orbital Period(Observed/Estimated) |
15676.50 |
(Days Obs.) |
15432.01 |
(Days Est.) |
|
Surface Gravity (G Earth) |
9.0885 |
|
Star Radiation at Atmospheric Boundary: |
2.6 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
56.6 |
(K) |
|
Blackbody T 0.3(K) |
53.1 |
(K) |
|
Blackbody T 0.7(K) |
43.0 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
67.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
63.2 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Astrometry |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
eps Ind A |
|
Alternate Name : |
GJ 845 |
|
Star Distance(LY) : |
11.8 |
|
Stellar Radius(Rsun) : |
0.7 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.7 |
(Msun Estimated) |
|
Star Age : |
1.4 |
(GY) |
|
Temperature : |
4960 |
(K) |
|
Spectral type : |
K2V |
|
UV portion[%]: |
3.0 |
|
Visible portion[%]: |
36.7 |
|
IR portion[%]: |
60.3 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
6.9 |
|
Apparent Magnitude: |
4.7 |
|
Right Ascension(RA) |
330.8402 |
|
Declination (DEC) |
-56.7861 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=eps+Ind+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
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eps Ind A b
eps Ind A b
eps Ind A b is an exoplanet orbiting the star eps Ind A, located about 11.8 light-years ( 3.6 pc) away from Solar System. Its discovery was publicly announced on 2018.
The host star eps Ind A has apparent magnitude of 4.7, with absolute magnitude of 6.9. It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4960 with its spectral types of K2V
In this planetary system, the extrasolar planet eps Ind A b orbits around the star eps Ind A every 15676.5 days with its orbital distance of 11.08 AU ( 1657544407.4 km)
(Projected orbit of eps Ind A b around its host star eps Ind A)
The Star eps Ind A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.348 AU ( 52109538.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.481 AU ( 72029000.1 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.734 AU ( 109756256.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.080 AU ( 161511139.0 km)
Radiation at Planetary Boundary of eps Ind A b : 2.58 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star eps Ind A)
Kopparapu Recent Venus for Star eps Ind A distance : 0.378 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star eps Ind A distance : 0.478 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star eps Ind A distance : 0.462 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star eps Ind A distance : 0.507 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star eps Ind A distance : 0.868 AU
Kopparapu Outer Boundary for Early Mars for Star eps Ind A distance : 0.915 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star eps Ind A)
Original Kopparapu Recent Venus for Star eps Ind A distance : 0.373 AU
Original Kopparapu Runaway Greenhouse for Star eps Ind A distance : 0.493 AU
Original Kopparapu Moist Greenhouse for Star eps Ind A distance : 0.494 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star eps Ind A distance : 0.882 AU
Original Kopparapu Outer Boundary for Early Mars for Star eps Ind A distance : 0.918 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star eps Ind A)
(Position in Stellar Map of star eps Ind A and its Exoplanet eps Ind A b)
(Zoomed position in Stellar Map of star eps Ind A and its Exoplanet eps Ind A b (zoom level 3))
(Synthetic Spectrum of star eps Ind A*)
*Yamashiki YA et al. 2019 ApJ 881 114
MUSCLES Paper I - France et al. 2016 ApJ 820 89
MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102
