|
Exoplanet Name : |
HD 8326 b |
|
Alternate Name : |
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|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
0.2095 |
(Mjup) |
66.6080 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.5330 |
(AU) |
0.5330 |
(AU Est.) |
|
Eccentricity : |
0.2000 |
|
Orbital Period(Yrs) |
0.4353 |
|
Orbital Period(Observed/Estimated) |
159.00 |
(Days Obs.) |
158.90 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.6433 |
|
Star Radiation at Atmospheric Boundary: |
1181.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
261.6 |
(K) |
|
Blackbody T 0.3(K) |
245.7 |
(K) |
|
Blackbody T 0.7(K) |
198.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
311.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
292.2 |
(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 8326 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
100.2 |
|
Stellar Radius(Rsun) : |
0.7 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4914 |
(K) |
|
Spectral type : |
K2V |
|
UV portion[%]: |
2.8 |
|
Visible portion[%]: |
36.2 |
|
IR portion[%]: |
60.9 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
19.6 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
20.5317 |
|
Declination (DEC) |
-26.8900 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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|
Discovered by |
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|
Discovery Paper - Authors |
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|
Discovery Paper - Title |
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|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+8326+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
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HD 8326 b
HD 8326 b
HD 8326 b is an exoplanet orbiting the star HD 8326, located about 100.2 light-years (30.7 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star HD 8326 has apparent magnitude of 22.0, with absolute magnitude of 19.6. It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4914 with its spectral types of K2V
In this planetary system, the extrasolar planet HD 8326 b orbits around the star HD 8326 every 159.0 days with its orbital distance of 0.53 AU ( 79735665.1 km)
(Projected orbit of HD 8326 b around its host star HD 8326)
The Star HD 8326 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.358 AU ( 53607907.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.495 AU ( 74100137.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.755 AU ( 112912211.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.111 AU ( 166155265.4 km)
Radiation at Planetary Boundary of HD 8326 b : 1181.11 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 8326)
Kopparapu Recent Venus for Star HD 8326 distance : 0.389 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 8326 distance : 0.493 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 8326 distance : 0.476 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 8326 distance : 0.522 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 8326 distance : 0.896 AU
Kopparapu Outer Boundary for Early Mars for Star HD 8326 distance : 0.945 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 8326)
Original Kopparapu Recent Venus for Star HD 8326 distance : 0.385 AU
Original Kopparapu Runaway Greenhouse for Star HD 8326 distance : 0.508 AU
Original Kopparapu Moist Greenhouse for Star HD 8326 distance : 0.509 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 8326 distance : 0.911 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 8326 distance : 0.948 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 8326)
(Position in Stellar Map of star HD 8326 and its Exoplanet HD 8326 b)
(Zoomed position in Stellar Map of star HD 8326 and its Exoplanet HD 8326 b (zoom level 3))
(Synthetic Spectrum of star HD 8326*)
*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
