|
Exoplanet Name : |
15 Sge b |
|
Alternate Name : |
"HR 7672 b, HD 190406 b, GJ 779 b" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
61.5000 |
(Mjup) |
19553.1870 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
14.0000 |
(AU) |
14.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
188.8316 |
|
Star Radiation at Atmospheric Boundary: |
8.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
75.9 |
(K) |
|
Blackbody T 0.3(K) |
71.3 |
(K) |
|
Blackbody T 0.7(K) |
57.7 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
90.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
84.8 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
Spectrum |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
15 Sge |
|
Alternate Name : |
"HR 7672, HD 190406, GJ 779" |
|
Star Distance(LY) : |
57.8 |
|
Stellar Radius(Rsun) : |
1.0 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
6050 |
(K) |
|
Spectral type : |
G0V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
4.6 |
|
Apparent Magnitude: |
5.8 |
|
Right Ascension(RA) |
301.0250 |
|
Declination (DEC) |
17.0703 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HR+7672&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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15 Sge b
15 Sge b
15 Sge b is an exoplanet orbiting the star 15 Sge, located about 57.8 light-years (17.7 pc) away from Solar System. Its discovery was publicly announced on 2002.
The host star 15 Sge has apparent magnitude of 5.8, with absolute magnitude of 4.6.
(Projected orbit of 15 Sge b around its host star 15 Sge)
The Star 15 Sge 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.792 AU ( 118523320.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.095 AU ( 163830203.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.669 AU ( 249640973.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.456 AU ( 367357629.0 km)
Radiation at Planetary Boundary of 15 Sge b : 8.37 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 15 Sge)
Kopparapu Recent Venus for Star 15 Sge distance : 0.808 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 15 Sge distance : 1.023 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 15 Sge distance : 0.988 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 15 Sge distance : 1.083 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 15 Sge distance : 1.794 AU
Kopparapu Outer Boundary for Early Mars for Star 15 Sge distance : 1.893 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 15 Sge)
Original Kopparapu Recent Venus for Star 15 Sge distance : 0.813 AU
Original Kopparapu Runaway Greenhouse for Star 15 Sge distance : 1.050 AU
Original Kopparapu Moist Greenhouse for Star 15 Sge distance : 1.076 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 15 Sge distance : 1.826 AU
Original Kopparapu Outer Boundary for Early Mars for Star 15 Sge distance : 1.899 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 15 Sge)
(Position in Stellar Map of star 15 Sge and its Exoplanet 15 Sge b)
(Zoomed position in Stellar Map of star 15 Sge and its Exoplanet 15 Sge b (zoom level 3))
(Synthetic Spectrum of star 15 Sge*)
*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
