Exoplanet Name : |
11 Com b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
16.1284 |
(Mjup) |
5127.8312 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
1.2900 |
(AU) |
1.2900 |
(AU Est.) |
Eccentricity : |
0.2310 |
Orbital Period(Yrs) |
0.8926 |
Orbital Period(Observed/Estimated) |
326.03 |
(Days Obs.) |
325.68 |
(Days Est.) |
Surface Gravity (G Earth) |
49.5212 |
Star Radiation at Atmospheric Boundary: |
134517.5 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
854.7 |
(K) |
Blackbody T 0.3(K) |
802.7 |
(K) |
Blackbody T 0.7(K) |
649.5 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1016.5 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
954.6 |
(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 Com |
Alternate Name : |
|
Star Distance(LY) : |
289.9 |
Stellar Radius(Rsun) : |
19.0 |
(Rsun Measured) |
Stellar Mass(Msun) : |
2.7 |
(Msun Measured) |
2.7 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
4742 |
(K) |
Spectral type : |
G8 III |
UV portion[%]: |
2.3 |
Visible portion[%]: |
34.8 |
IR portion[%]: |
62.9 |
Metalicity : |
-0.3 |
Absolute Magnitude: |
-0.0 |
Apparent Magnitude: |
4.7 |
Right Ascension(RA) |
185.1792 |
Declination (DEC) |
17.7928 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
01445-02560 |
Discovered by |
|
Discovery Paper - Authors |
"Liu,.-J.; Sato,un'ei; Zhao,.; Noguchi,unio; Wang,.; Kambe,iji; Ando,iroyasu; Izumiura,ideyuki; Chen,.-Q.; Okada,orio; Toyota,ri; Omiya,asashi; Masuda,eiji; Takeda,oichi; Murata,aisuke; Itoh,oichi; Yoshida,ichitoshi; Kokubo,iichiro; Ida,higeru" |
Discovery Paper - Title |
A Substellar Companion to the Intermediate-Mass Giant 11 Comae |
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=11+Com+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/11%20Com%20b/ |
|
|
|
|
/
11 Com b
11 Com b
11 Com b is an exoplanet orbiting the star 11 Com, located about 289.9 light-years (88.9 pc) away from Solar System. Its discovery was publicly announced on 2007.
The host star 11 Com has apparent magnitude of 4.7, with absolute magnitude of -0.0. It is 2.7 times more massive and 19.0 times bigger compared with our Sun. The surface temperature is 4742 with its spectral types of G8 III
In this planetary system, the extrasolar planet 11 Com b orbits around the star 11 Com every 326.0 days with its orbital distance of 1.29 AU ( 192981253.2 km)
(Projected orbit of 11 Com b around its host star 11 Com)
The Star 11 Com 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 9.256 AU ( 1384633429.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 12.794 AU ( 1913925247.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 19.495 AU ( 2916398526.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 28.688 AU ( 4291608191.3 km)
Radiation at Planetary Boundary of 11 Com b : 134517.50 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 11 Com)
Kopparapu Recent Venus for Star 11 Com distance : 10.129 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 11 Com distance : 12.823 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 11 Com distance : 12.386 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 11 Com distance : 13.597 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 11 Com distance : 23.494 AU
Kopparapu Outer Boundary for Early Mars for Star 11 Com distance : 24.782 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 11 Com)
Original Kopparapu Recent Venus for Star 11 Com distance : 10.002 AU
Original Kopparapu Runaway Greenhouse for Star 11 Com distance : 13.227 AU
Original Kopparapu Moist Greenhouse for Star 11 Com distance : 13.235 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 11 Com distance : 23.882 AU
Original Kopparapu Outer Boundary for Early Mars for Star 11 Com distance : 24.836 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 11 Com)
(Position in Stellar Map of star 11 Com and its Exoplanet 11 Com b)
(Zoomed position in Stellar Map of star 11 Com and its Exoplanet 11 Com b (zoom level 3))
(Synthetic Spectrum of star 11 Com*)
*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