|
Exoplanet Name : |
KOI-771 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
1.2300 |
(Rjup) |
13.7871 |
(Rearth) |
|
Mass (Mjup / Me): |
1.8241 |
(Mjup) |
579.9447 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
1.4740 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
1.8361 |
|
Orbital Period(Observed/Estimated) |
670.65 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
3.0510 |
|
Star Radiation at Atmospheric Boundary: |
463.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
207.0 |
(K) |
|
Blackbody T 0.3(K) |
194.4 |
(K) |
|
Blackbody T 0.7(K) |
157.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
246.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
231.2 |
(K) |
|
Size Class: |
Super-Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
KOI-771 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
4546.1 |
|
Stellar Radius(Rsun) : |
0.9 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5520 |
(K) |
|
Spectral type : |
G7 |
|
UV portion[%]: |
7.0 |
|
Visible portion[%]: |
43.4 |
|
IR portion[%]: |
49.7 |
|
Metalicity : |
0.5 |
|
Absolute Magnitude: |
4.5 |
|
Apparent Magnitude: |
15.2 |
|
Right Ascension(RA) |
296.6986 |
|
Declination (DEC) |
49.3164 |
|
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=KOI-771+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
KOI-771 b
KOI-771 b
KOI-771 b is an exoplanet orbiting the star KOI-771, located about 4546.1 light-years (1393.8 pc) away from Solar System. Its discovery was publicly announced on 2015.
The host star KOI-771 has apparent magnitude of 15.2, with absolute magnitude of 4.5. It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5520 with its spectral types of G7
In this planetary system, the extrasolar planet KOI-771 b orbits around the star KOI-771 every 670.7 days with its orbital distance of 1.47 AU ( 220514509.0 km)
(Projected orbit of KOI-771 b around its host star KOI-771)
The Star KOI-771 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.620 AU ( 92824821.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.858 AU ( 128308161.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.307 AU ( 195513242.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.923 AU ( 287706301.6 km)
Radiation at Planetary Boundary of KOI-771 b : 463.01 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-771)
Kopparapu Recent Venus for Star KOI-771 distance : 0.653 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star KOI-771 distance : 0.827 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KOI-771 distance : 0.799 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star KOI-771 distance : 0.876 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-771 distance : 1.471 AU
Kopparapu Outer Boundary for Early Mars for Star KOI-771 distance : 1.552 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-771)
Original Kopparapu Recent Venus for Star KOI-771 distance : 0.651 AU
Original Kopparapu Runaway Greenhouse for Star KOI-771 distance : 0.850 AU
Original Kopparapu Moist Greenhouse for Star KOI-771 distance : 0.861 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-771 distance : 1.497 AU
Original Kopparapu Outer Boundary for Early Mars for Star KOI-771 distance : 1.556 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star KOI-771)
(Position in Stellar Map of star KOI-771 and its Exoplanet KOI-771 b)
(Zoomed position in Stellar Map of star KOI-771 and its Exoplanet KOI-771 b (zoom level 3))
(Synthetic Spectrum of star KOI-771*)
*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
