Exoplanet Name : |
HD 170573 b |
Alternate Name : |
CWISE J183207.94-540943.3 |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
30.0000 |
(Mjup) |
9538.1400 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
12000.0000 |
(AU) |
12000.0000 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
1516727.8103 |
Orbital Period(Observed/Estimated) |
554000000.00 |
(Days Obs.) |
547163011.40 |
(Days Est.) |
Surface Gravity (G Earth) |
92.1130 |
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
1.6 |
(K) |
Blackbody T 0.3(K) |
1.5 |
(K) |
Blackbody T 0.7(K) |
1.2 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1.9 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
1.8 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Imaging |
Mass Detection : |
|
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HD 170573 |
Alternate Name : |
|
Star Distance(LY) : |
62.2 |
Stellar Radius(Rsun) : |
0.6 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
Star Age : |
13.0 |
(GY) |
Temperature : |
4767 |
(K) |
Spectral type : |
K4.5Vk |
UV portion[%]: |
2.3 |
Visible portion[%]: |
35.1 |
IR portion[%]: |
62.5 |
Metalicity : |
0.4 |
Absolute Magnitude: |
7.1 |
Apparent Magnitude: |
8.5 |
Right Ascension(RA) |
278.2712 |
Declination (DEC) |
-54.2632 |
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_170573_b_CSun.png) |
![](HD_170573_b_CJup.png) |
![](HD_170573_b_CNep.png) |
![](HD_170573_b_CEar.png) |
/
HD 170573 b
HD 170573 b
HD 170573 b is an exoplanet orbiting the star HD 170573, located about 62.2 light-years (19.1 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star HD 170573 has apparent magnitude of 8.5, with absolute magnitude of 7.1. It is 0.8 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4767 with its spectral types of K4.5Vk
In this planetary system, the extrasolar planet HD 170573 b orbits around the star HD 170573 every 554000000.0 days with its orbital distance of 12000.00 AU ( 1795174448400.0 km)
(Projected orbit of HD 170573 b around its host star HD 170573)
![](HD_170573_b_Orb.png)
The Star HD 170573 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.311 AU ( 46544191.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.430 AU ( 64336236.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.655 AU ( 98034187.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.964 AU ( 144261600.9 km)
Radiation at Planetary Boundary of HD 170573 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 170573)
![](HD_170573_b_OrbH.png)
Kopparapu Recent Venus for Star HD 170573 distance : 0.340 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 170573 distance : 0.431 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 170573 distance : 0.416 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 170573 distance : 0.457 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 170573 distance : 0.788 AU
Kopparapu Outer Boundary for Early Mars for Star HD 170573 distance : 0.831 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 170573)
![](HD_170573_b_OrbK.png)
Original Kopparapu Recent Venus for Star HD 170573 distance : 0.336 AU
Original Kopparapu Runaway Greenhouse for Star HD 170573 distance : 0.444 AU
Original Kopparapu Moist Greenhouse for Star HD 170573 distance : 0.444 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 170573 distance : 0.801 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 170573 distance : 0.833 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 170573)
![](HD_170573_b_OrbKO.png)
(Position in Stellar Map of star HD 170573 and its Exoplanet HD 170573 b)
![](HD_170573_b_STZ0.png)
(Zoomed position in Stellar Map of star HD 170573 and its Exoplanet HD 170573 b (zoom level 3))
![](HD_170573_b_STZ3.png)
(Synthetic Spectrum of star HD 170573*)
![](HD_170573_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