Exoplanet Name : |
ups1 Hya b |
Alternate Name : |
HD 85444 b |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
55.0000 |
(Mjup) |
17486.5900 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
3.9000 |
(AU) |
3.9000 |
(AU Est.) |
Eccentricity : |
0.5700 |
Orbital Period(Yrs) |
4.1067 |
Orbital Period(Observed/Estimated) |
1500.00 |
(Days Obs.) |
1525.62 |
(Days Est.) |
Surface Gravity (G Earth) |
168.8738 |
Star Radiation at Atmospheric Boundary: |
11481.4 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
462.0 |
(K) |
Blackbody T 0.3(K) |
433.9 |
(K) |
Blackbody T 0.7(K) |
351.0 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
549.4 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
516.0 |
(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 : |
ups1 Hya |
Alternate Name : |
"Zhang, 39 Hya, HD 85444" |
Star Distance(LY) : |
248.2 |
Stellar Radius(Rsun) : |
14.1 |
(Rsun Measured) |
Stellar Mass(Msun) : |
3.4 |
(Msun Measured) |
3.5 |
(Msun Estimated) |
Star Age : |
0.3 |
(GY) |
Temperature : |
5177 |
(K) |
Spectral type : |
G7III |
UV portion[%]: |
4.8 |
Visible portion[%]: |
39.8 |
IR portion[%]: |
55.4 |
Metalicity : |
0.1 |
Absolute Magnitude: |
-0.3 |
Apparent Magnitude: |
4.1 |
Right Ascension(RA) |
147.8695 |
Declination (DEC) |
-14.8466 |
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 |
|
![](ups1_Hya_b_CSun.png) |
![](ups1_Hya_b_CJup.png) |
![](ups1_Hya_b_CNep.png) |
![](ups1_Hya_b_CEar.png) |
/
ups1 Hya b
ups1 Hya b
ups1 Hya b is an exoplanet orbiting the star ups1 Hya, located about 248.2 light-years (76.1 pc) away from Solar System. Its discovery was publicly announced on 2005.
The host star ups1 Hya has apparent magnitude of 4.1, with absolute magnitude of -0.3. It is 3.4 times more massive and 14.1 times bigger compared with our Sun. The surface temperature is 5177 with its spectral types of G7III
In this planetary system, the extrasolar planet ups1 Hya b orbits around the star ups1 Hya every 1500.0 days with its orbital distance of 3.90 AU ( 583431695.7 km)
(Projected orbit of ups1 Hya b around its host star ups1 Hya)
![](ups1_Hya_b_Orb.png)
The Star ups1 Hya 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 8.175 AU ( 1222973642.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 11.300 AU ( 1690469175.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 17.219 AU ( 2575900922.9 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 25.338 AU ( 3790551051.0 km)
Radiation at Planetary Boundary of ups1 Hya b : 11481.37 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star ups1 Hya)
![](ups1_Hya_b_OrbH.png)
Kopparapu Recent Venus for Star ups1 Hya distance : 8.766 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star ups1 Hya distance : 11.099 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star ups1 Hya distance : 10.720 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star ups1 Hya distance : 11.762 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star ups1 Hya distance : 19.980 AU
Kopparapu Outer Boundary for Early Mars for Star ups1 Hya distance : 21.075 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star ups1 Hya)
![](ups1_Hya_b_OrbK.png)
Original Kopparapu Recent Venus for Star ups1 Hya distance : 8.691 AU
Original Kopparapu Runaway Greenhouse for Star ups1 Hya distance : 11.430 AU
Original Kopparapu Moist Greenhouse for Star ups1 Hya distance : 11.499 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star ups1 Hya distance : 20.319 AU
Original Kopparapu Outer Boundary for Early Mars for Star ups1 Hya distance : 21.131 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star ups1 Hya)
![](ups1_Hya_b_OrbKO.png)
(Position in Stellar Map of star ups1 Hya and its Exoplanet ups1 Hya b)
![](ups1_Hya_b_STZ0.png)
(Zoomed position in Stellar Map of star ups1 Hya and its Exoplanet ups1 Hya b (zoom level 3))
![](ups1_Hya_b_STZ3.png)
(Synthetic Spectrum of star ups1 Hya*)
![](ups1_Hya_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