|
Exoplanet Name : |
HD 188769 (AB)b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
30.0000 |
(Mjup) |
9538.1400 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
25000.0000 |
(AU) |
25000.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
3326397.6346 |
|
Orbital Period(Observed/Estimated) |
1215000000.00 |
(Days Obs.) |
1229024935.79 |
(Days Est.) |
|
Surface Gravity (G Earth) |
92.1130 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
2.3 |
(K) |
|
Blackbody T 0.3(K) |
2.2 |
(K) |
|
Blackbody T 0.7(K) |
1.7 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
2.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
2.6 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 188769 |
|
Alternate Name : |
SOZ 20 |
|
Star Distance(LY) : |
149.6 |
|
Stellar Radius(Rsun) : |
1.4 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.4 |
(Msun Measured) |
1.4 |
(Msun Estimated) |
|
Star Age : |
13.0 |
(GY) |
|
Temperature : |
6597 |
(K) |
|
Spectral type : |
F5V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
-1.1 |
|
Absolute Magnitude: |
3.5 |
|
Apparent Magnitude: |
6.8 |
|
Right Ascension(RA) |
300.2538 |
|
Declination (DEC) |
-64.8079 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
|
|
Open Exoplanet Database Link |
|
b_CSun.png) |
b_CJup.png) |
b_CNep.png) |
b_CEar.png) |
/
HD 188769 (AB)b
HD 188769 (AB)b
HD 188769 (AB)b is an exoplanet orbiting the star HD 188769, located about 149.6 light-years (45.9 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star HD 188769 has apparent magnitude of 6.8, with absolute magnitude of 3.5. It is 1.4 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6597 with its spectral types of F5V
In this planetary system, the extrasolar planet HD 188769 (AB)b orbits around the star HD 188769 every 1215000000.0 days with its orbital distance of 25000.00 AU ( 3739946767500.0 km)
(Projected orbit of HD 188769 (AB)b around its host star HD 188769)
b_Orb.png)
The Star HD 188769 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.287 AU ( 192523492.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.779 AU ( 266117779.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.711 AU ( 405504604.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.989 AU ( 596717788.8 km)
Radiation at Planetary Boundary of HD 188769 (AB)b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 188769)
b_OrbH.png)
Kopparapu Recent Venus for Star HD 188769 distance : 1.270 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 188769 distance : 1.608 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 188769 distance : 1.553 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 188769 distance : 1.702 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 188769 distance : 2.794 AU
Kopparapu Outer Boundary for Early Mars for Star HD 188769 distance : 2.947 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 188769)
b_OrbK.png)
Original Kopparapu Recent Venus for Star HD 188769 distance : 1.294 AU
Original Kopparapu Runaway Greenhouse for Star HD 188769 distance : 1.648 AU
Original Kopparapu Moist Greenhouse for Star HD 188769 distance : 1.713 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 188769 distance : 2.845 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 188769 distance : 2.959 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 188769)
b_OrbKO.png)
(Position in Stellar Map of star HD 188769 and its Exoplanet HD 188769 (AB)b)
b_STZ0.png)
(Zoomed position in Stellar Map of star HD 188769 and its Exoplanet HD 188769 (AB)b (zoom level 3))
b_STZ3.png)
(Synthetic Spectrum of star HD 188769*)
b_Spc.png)
*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
