Exoplanet Name : |
HD 187085 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
0.7500 |
(Mjup) |
238.4535 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
2.0500 |
(AU) |
2.0500 |
(AU Est.) |
Eccentricity : |
0.4700 |
Orbital Period(Yrs) |
2.6994 |
Orbital Period(Observed/Estimated) |
986.00 |
(Days Obs.) |
970.60 |
(Days Est.) |
Surface Gravity (G Earth) |
2.3028 |
Star Radiation at Atmospheric Boundary: |
524.4 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
213.6 |
(K) |
Blackbody T 0.3(K) |
200.6 |
(K) |
Blackbody T 0.7(K) |
162.3 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
254.0 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
238.5 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
|
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HD 187085 |
Alternate Name : |
|
Star Distance(LY) : |
143.6 |
Stellar Radius(Rsun) : |
1.1 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
Star Age : |
3.3 |
(GY) |
Temperature : |
6075 |
(K) |
Spectral type : |
G0 V |
UV portion[%]: |
0.3 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.2 |
Metalicity : |
0.1 |
Absolute Magnitude: |
4.0 |
Apparent Magnitude: |
7.2 |
Right Ascension(RA) |
297.3915 |
Declination (DEC) |
-37.7806 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
07933-02470 |
Discovered by |
|
Discovery Paper - Authors |
0 |
Discovery Paper - Title |
|
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+187085+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20187085%20b/ |
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HD 187085 b
HD 187085 b
HD 187085 b is an exoplanet orbiting the star HD 187085, located about 143.6 light-years (44.0 pc) away from Solar System. Its discovery was publicly announced on 2006.
The host star HD 187085 has apparent magnitude of 7.2, with absolute magnitude of 4.0. It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6075 with its spectral types of G0 V
In this planetary system, the extrasolar planet HD 187085 b orbits around the star HD 187085 every 986.0 days with its orbital distance of 2.05 AU ( 306675634.9 km)
(Projected orbit of HD 187085 b around its host star HD 187085)
The Star HD 187085 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.918 AU ( 137380944.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.269 AU ( 189896367.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.934 AU ( 289360040.5 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.846 AU ( 425805975.6 km)
Radiation at Planetary Boundary of HD 187085 b : 524.37 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 187085)
Kopparapu Recent Venus for Star HD 187085 distance : 0.935 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 187085 distance : 1.184 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 187085 distance : 1.143 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 187085 distance : 1.253 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 187085 distance : 2.076 AU
Kopparapu Outer Boundary for Early Mars for Star HD 187085 distance : 2.189 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 187085)
Original Kopparapu Recent Venus for Star HD 187085 distance : 0.942 AU
Original Kopparapu Runaway Greenhouse for Star HD 187085 distance : 1.215 AU
Original Kopparapu Moist Greenhouse for Star HD 187085 distance : 1.246 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 187085 distance : 2.113 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 187085 distance : 2.197 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 187085)
(Position in Stellar Map of star HD 187085 and its Exoplanet HD 187085 b)
(Zoomed position in Stellar Map of star HD 187085 and its Exoplanet HD 187085 b (zoom level 3))
(Synthetic Spectrum of star HD 187085*)
*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