|
Exoplanet Name : |
HD 131509 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
61.9530 |
(Mjup) |
19697.2129 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
49.4760 |
(AU) |
49.4760 |
(AU Est.) |
|
Eccentricity : |
0.2520 |
|
Orbital Period(Yrs) |
289.9392 |
|
Orbital Period(Observed/Estimated) |
105903.20 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
190.2225 |
|
Star Radiation at Atmospheric Boundary: |
2.2 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
54.6 |
(K) |
|
Blackbody T 0.3(K) |
51.3 |
(K) |
|
Blackbody T 0.7(K) |
41.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
64.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
61.0 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
"Radial Velocity, Astrometry" |
|
Mass Detection : |
Astrometry |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 131509 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
252.1 |
|
Stellar Radius(Rsun) : |
2.6 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
1.4 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5112 |
(K) |
|
Spectral type : |
K0IV |
|
UV portion[%]: |
4.0 |
|
Visible portion[%]: |
38.6 |
|
IR portion[%]: |
57.3 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
3.5 |
|
Apparent Magnitude: |
7.9 |
|
Right Ascension(RA) |
223.2997 |
|
Declination (DEC) |
28.5083 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
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|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
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|
Open Exoplanet Database Link |
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HD 131509 b
HD 131509 b
HD 131509 b is an exoplanet orbiting the star HD 131509, located about 252.1 light-years (77.3 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star HD 131509 has apparent magnitude of 7.9, with absolute magnitude of 3.5.
In this planetary system, the extrasolar planet HD 131509 b orbits around the star HD 131509 every 105903.2 days with its orbital distance of 49.48 AU ( 7401504250.8 km)
(Projected orbit of HD 131509 b around its host star HD 131509)
The Star HD 131509 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.449 AU ( 216725537.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 2.003 AU ( 299571329.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 3.051 AU ( 456480411.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 4.490 AU ( 671730923.1 km)
Radiation at Planetary Boundary of HD 131509 b : 2.24 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 131509)
Kopparapu Recent Venus for Star HD 131509 distance : 1.559 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 131509 distance : 1.973 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 131509 distance : 1.906 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 131509 distance : 2.091 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 131509 distance : 3.561 AU
Kopparapu Outer Boundary for Early Mars for Star HD 131509 distance : 3.756 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 131509)
Original Kopparapu Recent Venus for Star HD 131509 distance : 1.544 AU
Original Kopparapu Runaway Greenhouse for Star HD 131509 distance : 2.033 AU
Original Kopparapu Moist Greenhouse for Star HD 131509 distance : 2.043 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 131509 distance : 3.621 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 131509 distance : 3.766 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 131509)
(Position in Stellar Map of star HD 131509 and its Exoplanet HD 131509 b)
(Zoomed position in Stellar Map of star HD 131509 and its Exoplanet HD 131509 b (zoom level 3))
(Synthetic Spectrum of star HD 131509*)
*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
