|
Exoplanet Name : |
WASP-157 b |
|
Alternate Name : |
"1SWASP J132637.24-081903.2 b, 2MASS J13263727-0819033 b, EPIC 212697709 b, EPIC 212697709.01, K2-41 b, TYC 5544-00596-1 |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9980 |
(Rjup) |
11.1866 |
(Rearth) |
|
Mass (Mjup / Me): |
0.5760 |
(Mjup) |
183.1323 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0499 |
(AU) |
0.0499 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0108 |
|
Orbital Period(Observed/Estimated) |
3.95 |
(Days Obs.) |
3.95 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.4634 |
|
Star Radiation at Atmospheric Boundary: |
661446.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1272.8 |
(K) |
|
Blackbody T 0.3(K) |
1195.3 |
(K) |
|
Blackbody T 0.7(K) |
967.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1513.6 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1421.5 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
WASP-157 |
|
Alternate Name : |
"1SWASP J132637.24-081903.2, 2MASS J13263727-0819033, EPIC 212697709, K2-41, TYC 5544-596-1, WISE J132637.24-081903.4" |
|
Star Distance(LY) : |
867.4 |
|
Stellar Radius(Rsun) : |
1.1 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
|
Star Age : |
1.0 |
(GY) |
|
Temperature : |
5772 |
(K) |
|
Spectral type : |
G2 V |
|
UV portion[%]: |
7.8 |
|
Visible portion[%]: |
44.7 |
|
IR portion[%]: |
47.4 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
5.8 |
|
Apparent Magnitude: |
12.9 |
|
Right Ascension(RA) |
201.6552 |
|
Declination (DEC) |
-8.3176 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
0 |
|
Discovery Paper - Title |
0 |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=WASP-157&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
WASP-157 b
WASP-157 b
WASP-157 b is an exoplanet orbiting the star WASP-157, located about 867.4 light-years (266.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star WASP-157 has apparent magnitude of 12.9, with absolute magnitude of 5.8. It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5772 with its spectral types of G2 V
In this planetary system, the extrasolar planet WASP-157 b orbits around the star WASP-157 every 4.0 days with its orbital distance of 0.05 AU ( 7464933.7 km)
(Projected orbit of WASP-157 b around its host star WASP-157)
The Star WASP-157 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.794 AU ( 118769093.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.097 AU ( 164169925.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.672 AU ( 250158635.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.461 AU ( 368119391.4 km)
Radiation at Planetary Boundary of WASP-157 b : 661445.98 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-157)
Kopparapu Recent Venus for Star WASP-157 distance : 0.823 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-157 distance : 1.042 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-157 distance : 1.007 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-157 distance : 1.104 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-157 distance : 1.841 AU
Kopparapu Outer Boundary for Early Mars for Star WASP-157 distance : 1.942 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-157)
Original Kopparapu Recent Venus for Star WASP-157 distance : 0.824 AU
Original Kopparapu Runaway Greenhouse for Star WASP-157 distance : 1.071 AU
Original Kopparapu Moist Greenhouse for Star WASP-157 distance : 1.090 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-157 distance : 1.873 AU
Original Kopparapu Outer Boundary for Early Mars for Star WASP-157 distance : 1.948 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-157)
(Position in Stellar Map of star WASP-157 and its Exoplanet WASP-157 b)
(Zoomed position in Stellar Map of star WASP-157 and its Exoplanet WASP-157 b (zoom level 3))
(Synthetic Spectrum of star WASP-157*)
*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
