|
Exoplanet Name : |
HD 17156 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
1.0950 |
(Rjup) |
12.2739 |
(Rearth) |
|
Mass (Mjup / Me): |
3.1950 |
(Mjup) |
1015.8119 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1623 |
(AU) |
0.1623 |
(AU Est.) |
|
Eccentricity : |
0.6768 |
|
Orbital Period(Yrs) |
0.0581 |
|
Orbital Period(Observed/Estimated) |
21.22 |
(Days Obs.) |
21.15 |
(Days Est.) |
|
Surface Gravity (G Earth) |
6.7430 |
|
Star Radiation at Atmospheric Boundary: |
144576.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
870.3 |
(K) |
|
Blackbody T 0.3(K) |
817.3 |
(K) |
|
Blackbody T 0.7(K) |
661.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1035.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
971.9 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 17156 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
260.3 |
|
Stellar Radius(Rsun) : |
1.5 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.3 |
(Msun Measured) |
1.3 |
(Msun Estimated) |
|
Star Age : |
3.4 |
(GY) |
|
Temperature : |
6079 |
(K) |
|
Spectral type : |
G0 |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
3.7 |
|
Apparent Magnitude: |
8.2 |
|
Right Ascension(RA) |
42.4354 |
|
Declination (DEC) |
71.7533 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
04321-01320 |
|
Discovered by |
|
|
Discovery Paper - Authors |
HOG E.; FABRICIUS C.; MAKAROV V.V.; URBAN S.; CORBIN T.; WYCOFF G.; BASTIAN U.; SCHWEKENDIEK P.; WICENEC A. |
|
Discovery Paper - Title |
The Tycho-2 catalogue of the 2.5 million brightest stars. |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+17156+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%2017156%20b/ |
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HD 17156 b
HD 17156 b
HD 17156 b is an exoplanet orbiting the star HD 17156, located about 260.3 light-years (79.8 pc) away from Solar System. Its discovery was publicly announced on 2007.
The host star HD 17156 has apparent magnitude of 8.2, with absolute magnitude of 3.7. It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6079 with its spectral types of G0
In this planetary system, the extrasolar planet HD 17156 b orbits around the star HD 17156 every 21.2 days with its orbital distance of 0.16 AU ( 24279734.4 km)
(Projected orbit of HD 17156 b around its host star HD 17156)
The Star HD 17156 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.207 AU ( 180602492.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.669 AU ( 249639842.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.543 AU ( 380395874.5 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.742 AU ( 559769193.4 km)
Radiation at Planetary Boundary of HD 17156 b : 144576.94 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 17156)
Kopparapu Recent Venus for Star HD 17156 distance : 1.229 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 17156 distance : 1.556 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 17156 distance : 1.503 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 17156 distance : 1.647 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 17156 distance : 2.728 AU
Kopparapu Outer Boundary for Early Mars for Star HD 17156 distance : 2.877 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 17156)
Original Kopparapu Recent Venus for Star HD 17156 distance : 1.238 AU
Original Kopparapu Runaway Greenhouse for Star HD 17156 distance : 1.597 AU
Original Kopparapu Moist Greenhouse for Star HD 17156 distance : 1.638 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 17156 distance : 2.776 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 17156 distance : 2.887 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 17156)
(Position in Stellar Map of star HD 17156 and its Exoplanet HD 17156 b)
(Zoomed position in Stellar Map of star HD 17156 and its Exoplanet HD 17156 b (zoom level 3))
(Synthetic Spectrum of star HD 17156*)
*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
