|
Exoplanet Name : |
11 UMi b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
11.0873 |
(Mjup) |
3525.0740 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1.5400 |
(AU) |
1.5400 |
(AU Est.) |
|
Eccentricity : |
0.0800 |
|
Orbital Period(Yrs) |
1.4133 |
|
Orbital Period(Observed/Estimated) |
516.22 |
(Days Obs.) |
520.28 |
(Days Est.) |
|
Surface Gravity (G Earth) |
34.0428 |
|
Star Radiation at Atmospheric Boundary: |
106373.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
806.0 |
(K) |
|
Blackbody T 0.3(K) |
756.9 |
(K) |
|
Blackbody T 0.7(K) |
612.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
958.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
900.2 |
(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 : |
11 UMi |
|
Alternate Name : |
|
|
Star Distance(LY) : |
398.2 |
|
Stellar Radius(Rsun) : |
24.1 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.8 |
(Msun Measured) |
1.8 |
(Msun Estimated) |
|
Star Age : |
1.6 |
(GY) |
|
Temperature : |
4340 |
(K) |
|
Spectral type : |
K4III |
|
UV portion[%]: |
1.0 |
|
Visible portion[%]: |
28.2 |
|
IR portion[%]: |
70.7 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
-0.4 |
|
Apparent Magnitude: |
5.0 |
|
Right Ascension(RA) |
229.2745 |
|
Declination (DEC) |
71.8239 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
04414-02315 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"D_llinger,..; Hatzes,..; Pasquini,.; Guenther,..; Hartmann," |
|
Discovery Paper - Title |
Planetary companions around the K giant stars 11 Ursae Minoris and HD 32518 |
|
Discovery Paper - Journal |
"A&A Volume 505, Number 3, October III 2009 " |
|
Discovery Paper - URL |
http://www.aanda.org/articles/aa/full_html/2009/39/aa11702-09/aa11702-09.html |
|
SIMBAD LINK |
http://simbad.harvard.edu/simbad/sim-basic?Ident=11+UMi+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/11%20UMi%20b/ |
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11 UMi b
11 UMi b
11 UMi b is an exoplanet orbiting the star 11 UMi, located about 398.2 light-years (122.1 pc) away from Solar System. Its discovery was publicly announced on 2009.
The host star 11 UMi has apparent magnitude of 5.0, with absolute magnitude of -0.4. It is 1.8 times more massive and 24.1 times bigger compared with our Sun. The surface temperature is 4340 with its spectral types of K4III
In this planetary system, the extrasolar planet 11 UMi b orbits around the star 11 UMi every 516.2 days with its orbital distance of 1.54 AU ( 230380720.9 km)
(Projected orbit of 11 UMi b around its host star 11 UMi)
The Star 11 UMi 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 9.826 AU ( 1469921201.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 13.582 AU ( 2031815237.1 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 20.696 AU ( 3096036781.5 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 30.455 AU ( 4555953752.7 km)
Radiation at Planetary Boundary of 11 UMi b : 106373.94 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 11 UMi)
Kopparapu Recent Venus for Star 11 UMi distance : 10.910 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 11 UMi distance : 13.810 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 11 UMi distance : 13.339 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 11 UMi distance : 14.653 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 11 UMi distance : 25.774 AU
Kopparapu Outer Boundary for Early Mars for Star 11 UMi distance : 27.189 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 11 UMi)
Original Kopparapu Recent Venus for Star 11 UMi distance : 10.764 AU
Original Kopparapu Runaway Greenhouse for Star 11 UMi distance : 14.265 AU
Original Kopparapu Moist Greenhouse for Star 11 UMi distance : 14.243 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 11 UMi distance : 26.192 AU
Original Kopparapu Outer Boundary for Early Mars for Star 11 UMi distance : 27.239 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 11 UMi)
(Position in Stellar Map of star 11 UMi and its Exoplanet 11 UMi b)
(Zoomed position in Stellar Map of star 11 UMi and its Exoplanet 11 UMi b (zoom level 3))
(Synthetic Spectrum of star 11 UMi*)
*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
