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Exoplanet Name : |
TIC 311276853 b |
|
Alternate Name : |
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Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.4202 |
(Rjup) |
4.7100 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0727 |
(Mjup) |
23.1227 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0430 |
(AU) |
0.0430 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0142 |
|
Orbital Period(Observed/Estimated) |
5.17 |
(Days Obs.) |
5.18 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.0423 |
|
Star Radiation at Atmospheric Boundary: |
17814.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
515.6 |
(K) |
|
Blackbody T 0.3(K) |
484.2 |
(K) |
|
Blackbody T 0.7(K) |
391.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
613.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
575.8 |
(K) |
|
Size Class: |
Neptune-size |
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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 : |
TIC 311276853 |
|
Alternate Name : |
UCAC4 581-053434 |
|
Star Distance(LY) : |
292.8 |
|
Stellar Radius(Rsun) : |
0.4 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.4 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3583 |
(K) |
|
Spectral type : |
M3V |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
11.7 |
|
IR portion[%]: |
88.1 |
|
Metalicity : |
-0.2 |
|
Absolute Magnitude: |
10.6 |
|
Apparent Magnitude: |
15.3 |
|
Right Ascension(RA) |
247.7390 |
|
Declination (DEC) |
26.1070 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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Discovered by |
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Discovery Paper - Authors |
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|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
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|
SIMBAD LINK |
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Open Exoplanet Database Link |
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TIC 311276853 b
TIC 311276853 b
TIC 311276853 b is an exoplanet orbiting the star TIC 311276853, located about 292.8 light-years (89.8 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star TIC 311276853 has apparent magnitude of 15.3, with absolute magnitude of 10.6. It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3583 with its spectral types of M3V
In this planetary system, the extrasolar planet TIC 311276853 b orbits around the star TIC 311276853 every 5.2 days with its orbital distance of 0.04 AU ( 6432708.4 km)
(Projected orbit of TIC 311276853 b around its host star TIC 311276853)
The Star TIC 311276853 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.112 AU ( 16796178.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.155 AU ( 23216707.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.236 AU ( 35377125.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.348 AU ( 52058989.2 km)
Radiation at Planetary Boundary of TIC 311276853 b : 17814.46 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TIC 311276853)
Kopparapu Recent Venus for Star TIC 311276853 distance : 0.127 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TIC 311276853 distance : 0.160 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TIC 311276853 distance : 0.155 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TIC 311276853 distance : 0.170 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 311276853 distance : 0.311 AU
Kopparapu Outer Boundary for Early Mars for Star TIC 311276853 distance : 0.328 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TIC 311276853)
Original Kopparapu Recent Venus for Star TIC 311276853 distance : 0.126 AU
Original Kopparapu Runaway Greenhouse for Star TIC 311276853 distance : 0.166 AU
Original Kopparapu Moist Greenhouse for Star TIC 311276853 distance : 0.166 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TIC 311276853 distance : 0.316 AU
Original Kopparapu Outer Boundary for Early Mars for Star TIC 311276853 distance : 0.328 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TIC 311276853)
(Position in Stellar Map of star TIC 311276853 and its Exoplanet TIC 311276853 b)
(Zoomed position in Stellar Map of star TIC 311276853 and its Exoplanet TIC 311276853 b (zoom level 3))
(Synthetic Spectrum of star TIC 311276853*)
*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
