Exoplanet Name : |
Kepler-469 b |
Alternate Name : |
KOI-126.02 |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.0651 |
(Rjup) |
0.7297 |
(Rearth) |
Mass (Mjup / Me): |
0.0010 |
(Mjup) |
0.3209 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0189 |
(AU) |
0.0189 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0024 |
Orbital Period(Observed/Estimated) |
0.88 |
(Days Obs.) |
1.27 |
(Days Est.) |
Surface Gravity (G Earth) |
0.6027 |
Star Radiation at Atmospheric Boundary: |
243437.7 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
991.4 |
(K) |
Blackbody T 0.3(K) |
931.0 |
(K) |
Blackbody T 0.7(K) |
753.3 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1179.0 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
1107.2 |
(K) |
Size Class: |
Earth-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 : |
UCAC3 113-933 |
Alternate Name : |
|
Star Distance(LY) : |
171.5 |
Stellar Radius(Rsun) : |
0.6 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
Star Age : |
0.6 |
(GY) |
Temperature : |
3864 |
(K) |
Spectral type : |
M0V |
UV portion[%]: |
0.5 |
Visible portion[%]: |
19.9 |
IR portion[%]: |
79.7 |
Metalicity : |
0.1 |
Absolute Magnitude: |
8.9 |
Apparent Magnitude: |
12.5 |
Right Ascension(RA) |
5.2752 |
Declination (DEC) |
-33.8029 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
"Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha" |
Discovery Paper - Title |
FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES |
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-469&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/Kepler-469%20b/ |
|
|
|
|
/
Kepler-469 b
Kepler-469 b
Kepler-469 b is an exoplanet orbiting the star UCAC3 113-933, located about 171.5 light-years (52.6 pc) away from Solar System. Its discovery was publicly announced on 2017.
The host star UCAC3 113-933 has apparent magnitude of 12.5, with absolute magnitude of 8.9. It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3864 with its spectral types of M0V
In this planetary system, the extrasolar planet Kepler-469 b orbits around the star UCAC3 113-933 every 0.9 days with its orbital distance of 0.02 AU ( 2827399.8 km)
(Projected orbit of Kepler-469 b around its host star UCAC3 113-933)
The Star UCAC3 113-933 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.182 AU ( 27290497.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.252 AU ( 37722599.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.384 AU ( 57480893.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.565 AU ( 84585652.7 km)
Radiation at Planetary Boundary of Kepler-469 b : 243437.73 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star UCAC3 113-933)
Kopparapu Recent Venus for Star UCAC3 113-933 distance : 0.205 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star UCAC3 113-933 distance : 0.259 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star UCAC3 113-933 distance : 0.251 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star UCAC3 113-933 distance : 0.275 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star UCAC3 113-933 distance : 0.496 AU
Kopparapu Outer Boundary for Early Mars for Star UCAC3 113-933 distance : 0.523 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star UCAC3 113-933)
Original Kopparapu Recent Venus for Star UCAC3 113-933 distance : 0.203 AU
Original Kopparapu Runaway Greenhouse for Star UCAC3 113-933 distance : 0.268 AU
Original Kopparapu Moist Greenhouse for Star UCAC3 113-933 distance : 0.268 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star UCAC3 113-933 distance : 0.504 AU
Original Kopparapu Outer Boundary for Early Mars for Star UCAC3 113-933 distance : 0.524 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star UCAC3 113-933)
(Position in Stellar Map of star UCAC3 113-933 and its Exoplanet Kepler-469 b)
(Zoomed position in Stellar Map of star UCAC3 113-933 and its Exoplanet Kepler-469 b (zoom level 3))
(Synthetic Spectrum of star UCAC3 113-933*)
*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