|
Exoplanet Name : |
HD 145934 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
2.2800 |
(Mjup) |
724.8986 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
4.6000 |
(AU) |
4.6000 |
(AU Est.) |
|
Eccentricity : |
0.0530 |
|
Orbital Period(Yrs) |
7.4741 |
|
Orbital Period(Observed/Estimated) |
2730.00 |
(Days Obs.) |
2725.56 |
(Days Est.) |
|
Surface Gravity (G Earth) |
7.0006 |
|
Star Radiation at Atmospheric Boundary: |
1264.7 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
266.2 |
(K) |
|
Blackbody T 0.3(K) |
249.9 |
(K) |
|
Blackbody T 0.7(K) |
202.2 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
316.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
297.2 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 145934 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
784.0 |
|
Stellar Radius(Rsun) : |
5.4 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.7 |
(Msun Measured) |
1.7 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5240 |
(K) |
|
Spectral type : |
K0 |
|
UV portion[%]: |
5.3 |
|
Visible portion[%]: |
40.7 |
|
IR portion[%]: |
54.0 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
0.7 |
|
Apparent Magnitude: |
7.6 |
|
Right Ascension(RA) |
243.2912 |
|
Declination (DEC) |
13.2394 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
00958-00771 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"Y. Katherina Feng, Jason T. Wright, Benjamin Nelson, Sharon X. Wang, Eric B. Ford, Geoffrey W. Marcy, Howard Isaacson, Andrew W. Howard" |
|
Discovery Paper - Title |
The California Planet Survey IV: A Planet Orbiting the Giant Star HD 145934 and Updates to Seven Systems with Long-Period Planets |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+145934+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20145934%20b/ |
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HD 145934 b
HD 145934 b
HD 145934 b is an exoplanet orbiting the star HD 145934, located about 784.0 light-years (240.4 pc) away from Solar System. Its discovery was publicly announced on 2015.
The host star HD 145934 has apparent magnitude of 7.6, with absolute magnitude of 0.7. It is 1.7 times more massive and 5.4 times bigger compared with our Sun. The surface temperature is 5240 with its spectral types of K0
In this planetary system, the extrasolar planet HD 145934 b orbits around the star HD 145934 every 2730.0 days with its orbital distance of 4.60 AU ( 688150205.2 km)
(Projected orbit of HD 145934 b around its host star HD 145934)
The Star HD 145934 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 3.200 AU ( 478743578.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 4.424 AU ( 661748736.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 6.740 AU ( 1008358630.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 9.919 AU ( 1483843897.5 km)
Radiation at Planetary Boundary of HD 145934 b : 1264.67 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 145934)
Kopparapu Recent Venus for Star HD 145934 distance : 3.420 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 145934 distance : 4.331 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 145934 distance : 4.183 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 145934 distance : 4.589 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 145934 distance : 7.778 AU
Kopparapu Outer Boundary for Early Mars for Star HD 145934 distance : 8.204 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 145934)
Original Kopparapu Recent Venus for Star HD 145934 distance : 3.394 AU
Original Kopparapu Runaway Greenhouse for Star HD 145934 distance : 4.459 AU
Original Kopparapu Moist Greenhouse for Star HD 145934 distance : 4.490 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 145934 distance : 7.910 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 145934 distance : 8.226 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 145934)
(Position in Stellar Map of star HD 145934 and its Exoplanet HD 145934 b)
(Zoomed position in Stellar Map of star HD 145934 and its Exoplanet HD 145934 b (zoom level 3))
(Synthetic Spectrum of star HD 145934*)
*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
