Exoplanet Name : |
WT 5 (AB)b |
Alternate Name : |
CWISE J002414.30-403053.7 |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
60.0000 |
(Mjup) |
19076.2800 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
4200.0000 |
(AU) |
4200.0000 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
418879.7021 |
Orbital Period(Observed/Estimated) |
153000000.00 |
(Days Obs.) |
163441860.81 |
(Days Est.) |
Surface Gravity (G Earth) |
184.2260 |
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
1.4 |
(K) |
Blackbody T 0.3(K) |
1.3 |
(K) |
Blackbody T 0.7(K) |
1.1 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1.7 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
1.6 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Imaging |
Mass Detection : |
Spectrum |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
WT 5 |
Alternate Name : |
LEHPM 547 |
Star Distance(LY) : |
174.1 |
Stellar Radius(Rsun) : |
0.4 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.4 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3190 |
(K) |
Spectral type : |
M4.5V |
UV portion[%]: |
0.3 |
Visible portion[%]: |
7.5 |
IR portion[%]: |
92.1 |
Metalicity : |
-0.1 |
Absolute Magnitude: |
12.4 |
Apparent Magnitude: |
16.0 |
Right Ascension(RA) |
6.0831 |
Declination (DEC) |
-40.5259 |
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 |
|
![](WT_5_(AB)b_CSun.png) |
![](WT_5_(AB)b_CJup.png) |
![](WT_5_(AB)b_CNep.png) |
![](WT_5_(AB)b_CEar.png) |
/
WT 5 (AB)b
WT 5 (AB)b
WT 5 (AB)b is an exoplanet orbiting the star WT 5, located about 174.1 light-years (53.4 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star WT 5 has apparent magnitude of 16.0, with absolute magnitude of 12.4. It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3190 with its spectral types of M4.5V
In this planetary system, the extrasolar planet WT 5 (AB)b orbits around the star WT 5 every 153000000.0 days with its orbital distance of 4200.00 AU ( 628311056940.0 km)
(Projected orbit of WT 5 (AB)b around its host star WT 5)
![](WT_5_(AB)b_Orb.png)
The Star WT 5 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.083 AU ( 12371005.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.114 AU ( 17099963.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.174 AU ( 26056559.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.256 AU ( 38343368.7 km)
Radiation at Planetary Boundary of WT 5 (AB)b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WT 5)
![](WT_5_(AB)b_OrbH.png)
Kopparapu Recent Venus for Star WT 5 distance : 0.094 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star WT 5 distance : 0.119 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WT 5 distance : 0.115 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star WT 5 distance : 0.126 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star WT 5 distance : 0.234 AU
Kopparapu Outer Boundary for Early Mars for Star WT 5 distance : 0.247 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star WT 5)
![](WT_5_(AB)b_OrbK.png)
Original Kopparapu Recent Venus for Star WT 5 distance : 0.093 AU
Original Kopparapu Runaway Greenhouse for Star WT 5 distance : 0.123 AU
Original Kopparapu Moist Greenhouse for Star WT 5 distance : 0.123 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WT 5 distance : 0.238 AU
Original Kopparapu Outer Boundary for Early Mars for Star WT 5 distance : 0.248 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star WT 5)
![](WT_5_(AB)b_OrbKO.png)
(Position in Stellar Map of star WT 5 and its Exoplanet WT 5 (AB)b)
![](WT_5_(AB)b_STZ0.png)
(Zoomed position in Stellar Map of star WT 5 and its Exoplanet WT 5 (AB)b (zoom level 3))
![](WT_5_(AB)b_STZ3.png)
(Synthetic Spectrum of star WT 5*)
![](WT_5_(AB)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