|
Exoplanet Name : |
70I-469 c |
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Alternate Name : |
"HIP 29442 c, HD 42813 c" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.1410 |
(Rjup) |
1.5805 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0142 |
(Mjup) |
4.5147 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0436 |
(AU) |
0.0436 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0097 |
|
Orbital Period(Observed/Estimated) |
3.54 |
(Days Obs.) |
3.49 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.8074 |
|
Star Radiation at Atmospheric Boundary: |
502521.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1188.3 |
(K) |
|
Blackbody T 0.3(K) |
1116.0 |
(K) |
|
Blackbody T 0.7(K) |
902.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1413.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1327.1 |
(K) |
|
Size Class: |
super-Earth-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
TOI-469 |
|
Alternate Name : |
"HD 42813, HIP 29442" |
|
Star Distance(LY) : |
222.4 |
|
Stellar Radius(Rsun) : |
1.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
|
Star Age : |
11.7 |
(GY) |
|
Temperature : |
5283 |
(K) |
|
Spectral type : |
K0 |
|
UV portion[%]: |
5.7 |
|
Visible portion[%]: |
41.2 |
|
IR portion[%]: |
53.1 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
5.3 |
|
Apparent Magnitude: |
9.5 |
|
Right Ascension(RA) |
93.0583 |
|
Declination (DEC) |
-14.6494 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
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Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
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|
Open Exoplanet Database Link |
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70I-469 c
70I-469 c
70I-469 c is an exoplanet orbiting the star TOI-469, located about 222.4 light-years (68.2 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star TOI-469 has apparent magnitude of 9.5, with absolute magnitude of 5.3. It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5283 with its spectral types of K0
In this planetary system, the extrasolar planet 70I-469 c orbits around the star TOI-469 every 3.5 days with its orbital distance of 0.04 AU ( 6522467.2 km)
(Projected orbit of 70I-469 c around its host star TOI-469)
The Star TOI-469 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.605 AU ( 90452241.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.836 AU ( 125028635.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.274 AU ( 190515972.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.874 AU ( 280352599.1 km)
Radiation at Planetary Boundary of 70I-469 c : 502521.07 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-469)
Kopparapu Recent Venus for Star TOI-469 distance : 0.645 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-469 distance : 0.816 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-469 distance : 0.788 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-469 distance : 0.865 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-469 distance : 1.464 AU
Kopparapu Outer Boundary for Early Mars for Star TOI-469 distance : 1.544 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-469)
Original Kopparapu Recent Venus for Star TOI-469 distance : 0.640 AU
Original Kopparapu Runaway Greenhouse for Star TOI-469 distance : 0.840 AU
Original Kopparapu Moist Greenhouse for Star TOI-469 distance : 0.847 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-469 distance : 1.489 AU
Original Kopparapu Outer Boundary for Early Mars for Star TOI-469 distance : 1.548 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-469)
(Position in Stellar Map of star TOI-469 and its Exoplanet 70I-469 c)
(Zoomed position in Stellar Map of star TOI-469 and its Exoplanet 70I-469 c (zoom level 3))
(Synthetic Spectrum of star TOI-469*)
*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
