Exoplanet Name : |
HD 13724 c |
Alternate Name : |
HIP 10278 c |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
0.1600 |
(Mjup) |
50.8701 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.5340 |
(AU) |
0.5340 |
(AU Est.) |
Eccentricity : |
0.6510 |
Orbital Period(Yrs) |
0.3893 |
Orbital Period(Observed/Estimated) |
142.20 |
(Days Obs.) |
133.49 |
(Days Est.) |
Surface Gravity (G Earth) |
0.4913 |
Star Radiation at Atmospheric Boundary: |
5837.8 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
390.1 |
(K) |
Blackbody T 0.3(K) |
366.4 |
(K) |
Blackbody T 0.7(K) |
296.4 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
463.9 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
435.7 |
(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 : |
HD 13724 |
Alternate Name : |
|
Star Distance(LY) : |
141.8 |
Stellar Radius(Rsun) : |
1.1 |
(Rsun Measured) |
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
Star Age : |
0.8 |
(GY) |
Temperature : |
5868 |
(K) |
Spectral type : |
G3/5V |
UV portion[%]: |
0.3 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.2 |
Metalicity : |
0.2 |
Absolute Magnitude: |
4.7 |
Apparent Magnitude: |
7.9 |
Right Ascension(RA) |
33.0875 |
Declination (DEC) |
-46.8164 |
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 |
|
![](HD_13724_c_CSun.png) |
![](HD_13724_c_CJup.png) |
![](HD_13724_c_CNep.png) |
![](HD_13724_c_CEar.png) |
/
HD 13724 c
HD 13724 c
HD 13724 c is an exoplanet orbiting the star HD 13724, located about 141.8 light-years (43.5 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star HD 13724 has apparent magnitude of 7.9, with absolute magnitude of 4.7. It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5868 with its spectral types of G3/5V
In this planetary system, the extrasolar planet HD 13724 c orbits around the star HD 13724 every 142.2 days with its orbital distance of 0.53 AU ( 79885263.0 km)
(Projected orbit of HD 13724 c around its host star HD 13724)
![](HD_13724_c_Orb.png)
The Star HD 13724 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.798 AU ( 119404886.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.103 AU ( 165048757.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.681 AU ( 251497781.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.474 AU ( 370090002.5 km)
Radiation at Planetary Boundary of HD 13724 c : 5837.81 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 13724)
![](HD_13724_c_OrbH.png)
Kopparapu Recent Venus for Star HD 13724 distance : 0.823 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 13724 distance : 1.042 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 13724 distance : 1.006 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 13724 distance : 1.103 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 13724 distance : 1.836 AU
Kopparapu Outer Boundary for Early Mars for Star HD 13724 distance : 1.936 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 13724)
![](HD_13724_c_OrbK.png)
Original Kopparapu Recent Venus for Star HD 13724 distance : 0.825 AU
Original Kopparapu Runaway Greenhouse for Star HD 13724 distance : 1.070 AU
Original Kopparapu Moist Greenhouse for Star HD 13724 distance : 1.092 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 13724 distance : 1.868 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 13724 distance : 1.943 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 13724)
![](HD_13724_c_OrbKO.png)
(Position in Stellar Map of star HD 13724 and its Exoplanet HD 13724 c)
![](HD_13724_c_STZ0.png)
(Zoomed position in Stellar Map of star HD 13724 and its Exoplanet HD 13724 c (zoom level 3))
![](HD_13724_c_STZ3.png)
(Synthetic Spectrum of star HD 13724*)
![](HD_13724_c_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