|
Exoplanet Name : |
38 Vir b |
|
Alternate Name : |
HD 111998 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
4.5100 |
(Mjup) |
1433.9004 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1.8200 |
(AU) |
1.8200 |
(AU Est.) |
|
Eccentricity : |
0.0300 |
|
Orbital Period(Yrs) |
2.2611 |
|
Orbital Period(Observed/Estimated) |
825.90 |
(Days Obs.) |
825.57 |
(Days Est.) |
|
Surface Gravity (G Earth) |
13.8477 |
|
Star Radiation at Atmospheric Boundary: |
1438.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
274.9 |
(K) |
|
Blackbody T 0.3(K) |
258.1 |
(K) |
|
Blackbody T 0.7(K) |
208.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
326.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
307.0 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
38 Vir |
|
Alternate Name : |
"HIP 62875,, HD 111998" |
|
Star Distance(LY) : |
106.8 |
|
Stellar Radius(Rsun) : |
1.4 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
1.9 |
(GY) |
|
Temperature : |
6557 |
(K) |
|
Spectral type : |
F6 V |
|
UV portion[%]: |
7.8 |
|
Visible portion[%]: |
44.8 |
|
IR portion[%]: |
47.4 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
3.5 |
|
Apparent Magnitude: |
6.1 |
|
Right Ascension(RA) |
193.2965 |
|
Declination (DEC) |
-3.5531 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=38+Vir&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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38 Vir b
38 Vir b
38 Vir b is an exoplanet orbiting the star 38 Vir, located about 106.8 light-years (32.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star 38 Vir has apparent magnitude of 6.1, with absolute magnitude of 3.5. It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6557 with its spectral types of F6 V
In this planetary system, the extrasolar planet 38 Vir b orbits around the star 38 Vir every 825.9 days with its orbital distance of 1.82 AU ( 272268124.7 km)
(Projected orbit of 38 Vir b around its host star 38 Vir)
The Star 38 Vir 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.351 AU ( 202039591.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.867 AU ( 279271514.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.845 AU ( 425547986.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 4.186 AU ( 626212503.5 km)
Radiation at Planetary Boundary of 38 Vir b : 1438.86 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 38 Vir)
Kopparapu Recent Venus for Star 38 Vir distance : 1.336 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 38 Vir distance : 1.692 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 38 Vir distance : 1.634 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 38 Vir distance : 1.790 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 38 Vir distance : 2.941 AU
Kopparapu Outer Boundary for Early Mars for Star 38 Vir distance : 3.101 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 38 Vir)
Original Kopparapu Recent Venus for Star 38 Vir distance : 1.360 AU
Original Kopparapu Runaway Greenhouse for Star 38 Vir distance : 1.734 AU
Original Kopparapu Moist Greenhouse for Star 38 Vir distance : 1.800 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 38 Vir distance : 2.994 AU
Original Kopparapu Outer Boundary for Early Mars for Star 38 Vir distance : 3.114 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 38 Vir)
(Position in Stellar Map of star 38 Vir and its Exoplanet 38 Vir b)
(Zoomed position in Stellar Map of star 38 Vir and its Exoplanet 38 Vir b (zoom level 3))
(Synthetic Spectrum of star 38 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
