Exoplanet Name : |
CD-42 11721 b |
Alternate Name : |
"*V921 Sco b, KSS 2 b" |
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 |
835.0000 |
(AU) |
835.0000 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0000 |
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
1970629.32 |
(Days Est.) |
Surface Gravity (G Earth) |
184.2260 |
Star Radiation at Atmospheric Boundary: |
36.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
109.3 |
(K) |
Blackbody T 0.3(K) |
102.7 |
(K) |
Blackbody T 0.7(K) |
83.1 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
130.0 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
122.1 |
(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 : |
CD-42 11721 |
Alternate Name : |
"HBC 655, KSS 2, MWC 865, *V921 Sco" |
Star Distance(LY) : |
4834.9 |
Stellar Radius(Rsun) : |
5.4 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
20.0 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
29000 |
(K) |
Spectral type : |
B0IVe |
UV portion[%]: |
0.3 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.2 |
Metalicity : |
0.0 |
Absolute Magnitude: |
0.1 |
Apparent Magnitude: |
11.0 |
Right Ascension(RA) |
254.7792 |
Declination (DEC) |
-42.7025 |
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 |
|
![](CD-42_11721_b_CSun.png) |
![](CD-42_11721_b_CJup.png) |
![](CD-42_11721_b_CNep.png) |
![](CD-42_11721_b_CEar.png) |
/
CD-42 11721 b
CD-42 11721 b
CD-42 11721 b is an exoplanet orbiting the star CD-42 11721, located about 4834.9 light-years (1482.4 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star CD-42 11721 has apparent magnitude of 11.0, with absolute magnitude of 0.1. It is 20.0 times more massive and 5.4 times bigger compared with our Sun. The surface temperature is 29000 with its spectral types of B0IVe
(Projected orbit of CD-42 11721 b around its host star CD-42 11721)
![](CD-42_11721_b_Orb.png)
The Star CD-42 11721 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 97.979 AU ( 14657464857.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 135.433 AU ( 20260446886.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 206.369 AU ( 30872437427.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 303.682 AU ( 45430144109.7 km)
Radiation at Planetary Boundary of CD-42 11721 b : 35.98 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CD-42 11721)
![](CD-42_11721_b_OrbH.png)
Kopparapu Recent Venus for Star CD-42 11721 distance : nan AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star CD-42 11721 distance : nan AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CD-42 11721 distance : nan AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star CD-42 11721 distance : nan AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star CD-42 11721 distance : nan AU
Kopparapu Outer Boundary for Early Mars for Star CD-42 11721 distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star CD-42 11721)
![](CD-42_11721_b_OrbK.png)
Original Kopparapu Recent Venus for Star CD-42 11721 distance : nan AU
Original Kopparapu Runaway Greenhouse for Star CD-42 11721 distance : nan AU
Original Kopparapu Moist Greenhouse for Star CD-42 11721 distance : nan AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CD-42 11721 distance : nan AU
Original Kopparapu Outer Boundary for Early Mars for Star CD-42 11721 distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star CD-42 11721)
![](CD-42_11721_b_OrbKO.png)
(Position in Stellar Map of star CD-42 11721 and its Exoplanet CD-42 11721 b)
![](CD-42_11721_b_STZ0.png)
(Zoomed position in Stellar Map of star CD-42 11721 and its Exoplanet CD-42 11721 b (zoom level 3))
![](CD-42_11721_b_STZ3.png)
(Synthetic Spectrum of star CD-42 11721*)
![](CD-42_11721_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