|
Exoplanet Name : |
70 Vir b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
6.6000 |
(Mjup) |
2098.3908 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.4800 |
(AU) |
0.4800 |
(AU Est.) |
|
Eccentricity : |
0.4300 |
|
Orbital Period(Yrs) |
0.3194 |
|
Orbital Period(Observed/Estimated) |
116.67 |
(Days Obs.) |
126.64 |
(Days Est.) |
|
Surface Gravity (G Earth) |
20.2649 |
|
Star Radiation at Atmospheric Boundary: |
17947.8 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
516.6 |
(K) |
|
Blackbody T 0.3(K) |
485.1 |
(K) |
|
Blackbody T 0.7(K) |
392.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
614.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
576.9 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
70 Vir |
|
Alternate Name : |
HR 117176 |
|
Star Distance(LY) : |
58.7 |
|
Stellar Radius(Rsun) : |
2.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
|
Star Age : |
7.1 |
(GY) |
|
Temperature : |
5432 |
(K) |
|
Spectral type : |
G4 V |
|
UV portion[%]: |
6.6 |
|
Visible portion[%]: |
42.7 |
|
IR portion[%]: |
50.7 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
3.7 |
|
Apparent Magnitude: |
5.0 |
|
Right Ascension(RA) |
202.1075 |
|
Declination (DEC) |
13.7867 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
"Stephen R. Kane, Tabetha S. Boyajian, Gregory W. Henry, Y. Katherina Feng, Natalie R. Hinkel, Debra A. Fischer, Kaspar von Braun, Andrew W. Howard, Jason T. Wright" |
|
Discovery Paper - Title |
A Comprehensive Characterization of the 70 Virginis Planetary System |
|
Discovery Paper - Journal |
"The Astrophysical Journal,olume 806,umber 1" |
|
Discovery Paper - URL |
http://iopscience.iop.org/article/10.1088/0004-637X/806/1/60/meta |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=70+Vir+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/70%20Vir%20b/ |
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70 Vir b
70 Vir b
70 Vir b is an exoplanet orbiting the star 70 Vir, located about 58.7 light-years (18.0 pc) away from Solar System. Its discovery was publicly announced on 1996.
The host star 70 Vir has apparent magnitude of 5.0, with absolute magnitude of 3.7. It is 0.9 times more massive and 2.0 times bigger compared with our Sun. The surface temperature is 5432 with its spectral types of G4 V
In this planetary system, the extrasolar planet 70 Vir b orbits around the star 70 Vir every 116.7 days with its orbital distance of 0.48 AU ( 71806977.9 km)
(Projected orbit of 70 Vir b around its host star 70 Vir)
The Star 70 Vir 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.258 AU ( 188192680.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.739 AU ( 260131465.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.650 AU ( 396382786.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.899 AU ( 583294635.1 km)
Radiation at Planetary Boundary of 70 Vir b : 17947.81 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 70 Vir)
Kopparapu Recent Venus for Star 70 Vir distance : 1.330 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 70 Vir distance : 1.685 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 70 Vir distance : 1.627 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 70 Vir distance : 1.785 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 70 Vir distance : 3.006 AU
Kopparapu Outer Boundary for Early Mars for Star 70 Vir distance : 3.170 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 70 Vir)
Original Kopparapu Recent Venus for Star 70 Vir distance : 1.324 AU
Original Kopparapu Runaway Greenhouse for Star 70 Vir distance : 1.733 AU
Original Kopparapu Moist Greenhouse for Star 70 Vir distance : 1.752 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 70 Vir distance : 3.058 AU
Original Kopparapu Outer Boundary for Early Mars for Star 70 Vir distance : 3.180 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 70 Vir)
(Position in Stellar Map of star 70 Vir and its Exoplanet 70 Vir b)
(Zoomed position in Stellar Map of star 70 Vir and its Exoplanet 70 Vir b (zoom level 3))
(Synthetic Spectrum of star 70 Vir*)
*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
