Exoplanet Name : |
Chang 134 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
46.0000 |
(Mjup) |
14625.1480 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
0.4113 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.2245 |
Orbital Period(Observed/Estimated) |
82.00 |
(Days Obs.) |
0.00 |
(Days Est.) |
Surface Gravity (G Earth) |
141.2399 |
Star Radiation at Atmospheric Boundary: |
29940.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
587.1 |
(K) |
Blackbody T 0.3(K) |
551.3 |
(K) |
Blackbody T 0.7(K) |
446.1 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
698.2 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
655.7 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Timing |
Mass Detection : |
Timing |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
Chang 134 |
Alternate Name : |
|
Star Distance(LY) : |
3555.1 |
Stellar Radius(Rsun) : |
1.2 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
1.4 |
(Msun Measured) |
1.4 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
7200 |
(K) |
Spectral type : |
F1 |
UV portion[%]: |
0.3 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.2 |
Metalicity : |
0.0 |
Absolute Magnitude: |
2.0 |
Apparent Magnitude: |
12.2 |
Right Ascension(RA) |
50.6911 |
Declination (DEC) |
-72.6294 |
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 |
|
![](Chang_134_b_CSun.png) |
![](Chang_134_b_CJup.png) |
![](Chang_134_b_CNep.png) |
![](Chang_134_b_CEar.png) |
/
Chang 134 b
Chang 134 b
Chang 134 b is an exoplanet orbiting the star Chang 134, located about 3555.1 light-years (1090.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star Chang 134 has apparent magnitude of 12.2, with absolute magnitude of 2.0. It is 1.4 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 7200 with its spectral types of F1
In this planetary system, the extrasolar planet Chang 134 b orbits around the star Chang 134 every 82.0 days with its orbital distance of 0.41 AU ( 61522530.8 km)
(Projected orbit of Chang 134 b around its host star Chang 134)
![](Chang_134_b_Orb.png)
The Star Chang 134 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.392 AU ( 208252657.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.924 AU ( 287859595.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.932 AU ( 438634320.9 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 4.315 AU ( 645469618.5 km)
Radiation at Planetary Boundary of Chang 134 b : 29940.02 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Chang 134)
![](Chang_134_b_OrbH.png)
Kopparapu Recent Venus for Star Chang 134 distance : 1.333 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star Chang 134 distance : 1.689 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Chang 134 distance : 1.631 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star Chang 134 distance : 1.786 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star Chang 134 distance : 2.916 AU
Kopparapu Outer Boundary for Early Mars for Star Chang 134 distance : 3.076 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star Chang 134)
![](Chang_134_b_OrbK.png)
Original Kopparapu Recent Venus for Star Chang 134 distance : 1.375 AU
Original Kopparapu Runaway Greenhouse for Star Chang 134 distance : 1.728 AU
Original Kopparapu Moist Greenhouse for Star Chang 134 distance : 1.820 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Chang 134 distance : 2.970 AU
Original Kopparapu Outer Boundary for Early Mars for Star Chang 134 distance : 3.088 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star Chang 134)
![](Chang_134_b_OrbKO.png)
(Position in Stellar Map of star Chang 134 and its Exoplanet Chang 134 b)
![](Chang_134_b_STZ0.png)
(Zoomed position in Stellar Map of star Chang 134 and its Exoplanet Chang 134 b (zoom level 3))
![](Chang_134_b_STZ3.png)
(Synthetic Spectrum of star Chang 134*)
![](Chang_134_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