|
Exoplanet Name : |
V391 Peg b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
3.2000 |
(Mjup) |
1017.4016 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1.7000 |
(AU) |
1.7000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
3.2032 |
|
Orbital Period(Observed/Estimated) |
1170.00 |
(Days Obs.) |
1144.93 |
(Days Est.) |
|
Surface Gravity (G Earth) |
9.8254 |
|
Star Radiation at Atmospheric Boundary: |
16543.7 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
506.2 |
(K) |
|
Blackbody T 0.3(K) |
475.4 |
(K) |
|
Blackbody T 0.7(K) |
384.6 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
601.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
565.3 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Pulsar |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
V391 Peg |
|
Alternate Name : |
|
|
Star Distance(LY) : |
4566.2 |
|
Stellar Radius(Rsun) : |
0.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.5 |
(Msun Measured) |
0.5 |
(Msun Estimated) |
|
Star Age : |
10.0 |
(GY) |
|
Temperature : |
29300 |
(K) |
|
Spectral type : |
sdB |
|
UV portion[%]: |
7.8 |
|
Visible portion[%]: |
44.8 |
|
IR portion[%]: |
47.4 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
3.8 |
|
Apparent Magnitude: |
14.6 |
|
Right Ascension(RA) |
331.0505 |
|
Declination (DEC) |
26.4189 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
02212-01369 |
|
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=V391+Peg+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/V391%20Peg%20b/ |
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V391 Peg b
V391 Peg b
V391 Peg b is an exoplanet orbiting the star V391 Peg, located about 4566.2 light-years (1400.0 pc) away from Solar System. Its discovery was publicly announced on 2007.
The host star V391 Peg has apparent magnitude of 14.6, with absolute magnitude of 3.8. It is 0.5 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 29300 with its spectral types of sdB
In this planetary system, the extrasolar planet V391 Peg b orbits around the star V391 Peg every 1170.0 days with its orbital distance of 1.70 AU ( 254316380.2 km)
(Projected orbit of V391 Peg b around its host star V391 Peg)
The Star V391 Peg 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 4.278 AU ( 639913377.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 5.913 AU ( 884527516.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 9.010 AU ( 1347824190.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 13.258 AU ( 1983382340.3 km)
Radiation at Planetary Boundary of V391 Peg b : 16543.72 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star V391 Peg)
Kopparapu Recent Venus for Star V391 Peg distance : nan AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star V391 Peg distance : nan AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star V391 Peg distance : nan AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star V391 Peg distance : nan AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star V391 Peg distance : nan AU
Kopparapu Outer Boundary for Early Mars for Star V391 Peg distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star V391 Peg)
Original Kopparapu Recent Venus for Star V391 Peg distance : nan AU
Original Kopparapu Runaway Greenhouse for Star V391 Peg distance : nan AU
Original Kopparapu Moist Greenhouse for Star V391 Peg distance : nan AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star V391 Peg distance : nan AU
Original Kopparapu Outer Boundary for Early Mars for Star V391 Peg distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star V391 Peg)
(Position in Stellar Map of star V391 Peg and its Exoplanet V391 Peg b)
(Zoomed position in Stellar Map of star V391 Peg and its Exoplanet V391 Peg b (zoom level 3))
(Synthetic Spectrum of star V391 Peg*)
*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
