Exoplanet Name : |
bet And b |
Alternate Name : |
"Mirach b, 43 And b, HD 6860 b" |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
28.2600 |
(Mjup) |
8984.9279 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
2.0300 |
(AU) |
2.0300 |
(AU Est.) |
Eccentricity : |
0.2800 |
Orbital Period(Yrs) |
1.8175 |
Orbital Period(Observed/Estimated) |
663.87 |
(Days Obs.) |
0.00 |
(Days Est.) |
Surface Gravity (G Earth) |
86.7704 |
Star Radiation at Atmospheric Boundary: |
464182.4 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
1165.0 |
(K) |
Blackbody T 0.3(K) |
1094.0 |
(K) |
Blackbody T 0.7(K) |
885.2 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1385.4 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
1301.0 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
bet And |
Alternate Name : |
"Mirach, 43 And, HD 6860" |
Star Distance(LY) : |
197.2 |
Stellar Radius(Rsun) : |
86.4 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
2.5 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3802 |
(K) |
Spectral type : |
M0III |
UV portion[%]: |
0.3 |
Visible portion[%]: |
13.8 |
IR portion[%]: |
85.9 |
Metalicity : |
-0.0 |
Absolute Magnitude: |
-1.9 |
Apparent Magnitude: |
2.0 |
Right Ascension(RA) |
17.4333 |
Declination (DEC) |
35.6206 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
|
Discovery Paper - Title |
|
Discovery Paper - Journal |
|
Discovery Paper - URL |
|
SIMBAD LINK |
|
Open Exoplanet Database Link |
|
![](bet_And_b_CSun.png) |
![](bet_And_b_CJup.png) |
![](bet_And_b_CNep.png) |
![](bet_And_b_CEar.png) |
/
bet And b
bet And b
bet And b is an exoplanet orbiting the star bet And, located about 197.2 light-years (60.5 pc) away from Solar System. Its discovery was publicly announced on 2023.
The host star bet And has apparent magnitude of 2.0, with absolute magnitude of -1.9.
In this planetary system, the extrasolar planet bet And b orbits around the star bet And every 663.9 days with its orbital distance of 2.03 AU ( 303683677.5 km)
(Projected orbit of bet And b around its host star bet And)
![](bet_And_b_Orb.png)
The Star bet And 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 27.056 AU ( 4047585952.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 37.399 AU ( 5594821547.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 56.988 AU ( 8525269906.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 83.860 AU ( 12545308135.8 km)
Radiation at Planetary Boundary of bet And b : 464182.40 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star bet And)
![](bet_And_b_OrbH.png)
Kopparapu Recent Venus for Star bet And distance : 30.432 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star bet And distance : 38.513 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star bet And distance : 37.194 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star bet And distance : 40.898 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star bet And distance : 73.817 AU
Kopparapu Outer Boundary for Early Mars for Star bet And distance : 77.878 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star bet And)
![](bet_And_b_OrbK.png)
Original Kopparapu Recent Venus for Star bet And distance : 30.101 AU
Original Kopparapu Runaway Greenhouse for Star bet And distance : 39.847 AU
Original Kopparapu Moist Greenhouse for Star bet And distance : 39.829 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star bet And distance : 74.995 AU
Original Kopparapu Outer Boundary for Early Mars for Star bet And distance : 77.993 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star bet And)
![](bet_And_b_OrbKO.png)
(Position in Stellar Map of star bet And and its Exoplanet bet And b)
![](bet_And_b_STZ0.png)
(Zoomed position in Stellar Map of star bet And and its Exoplanet bet And b (zoom level 3))
![](bet_And_b_STZ3.png)
(Synthetic Spectrum of star bet And*)
![](bet_And_b_Spc.png)
*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