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Exoplanet Name : |
TOI-1740 Ab |
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Alternate Name : |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.2600 |
(Rjup) |
2.9143 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0224 |
(Mjup) |
7.1340 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1380 |
(AU) |
0.1380 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0532 |
|
Orbital Period(Observed/Estimated) |
19.43 |
(Days Obs.) |
19.43 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.8400 |
|
Star Radiation at Atmospheric Boundary: |
37223.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
619.9 |
(K) |
|
Blackbody T 0.3(K) |
582.2 |
(K) |
|
Blackbody T 0.7(K) |
471.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
737.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
692.3 |
(K) |
|
Size Class: |
sub-Neptune-size |
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Mass Class: |
|
|
Detection Type : |
Primary Transit |
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Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
TOI-1740 A |
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Alternate Name : |
|
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Star Distance(LY) : |
372.0 |
|
Stellar Radius(Rsun) : |
0.8 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5366 |
(K) |
|
Spectral type : |
G8V |
|
UV portion[%]: |
6.2 |
|
Visible portion[%]: |
42.1 |
|
IR portion[%]: |
51.7 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
6.0 |
|
Apparent Magnitude: |
11.3 |
|
Right Ascension(RA) |
351.0176 |
|
Declination (DEC) |
43.3769 |
|
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 |
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|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
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|
SIMBAD LINK |
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Open Exoplanet Database Link |
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TOI-1740 Ab
TOI-1740 Ab
TOI-1740 Ab is an exoplanet orbiting the star TOI-1740 A, located about 372.0 light-years (114.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star TOI-1740 A has apparent magnitude of 11.3, with absolute magnitude of 6.0. It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5366 with its spectral types of G8V
In this planetary system, the extrasolar planet TOI-1740 Ab orbits around the star TOI-1740 A every 19.4 days with its orbital distance of 0.14 AU ( 20644506.2 km)
(Projected orbit of TOI-1740 Ab around its host star TOI-1740 A)
The Star TOI-1740 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.521 AU ( 77919458.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.720 AU ( 107705054.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.097 AU ( 164118667.5 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.614 AU ( 241507808.7 km)
Radiation at Planetary Boundary of TOI-1740 Ab : 37223.93 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1740 A)
Kopparapu Recent Venus for Star TOI-1740 A distance : 0.553 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1740 A distance : 0.700 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1740 A distance : 0.676 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1740 A distance : 0.742 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1740 A distance : 1.252 AU
Kopparapu Outer Boundary for Early Mars for Star TOI-1740 A distance : 1.320 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1740 A)
Original Kopparapu Recent Venus for Star TOI-1740 A distance : 0.550 AU
Original Kopparapu Runaway Greenhouse for Star TOI-1740 A distance : 0.720 AU
Original Kopparapu Moist Greenhouse for Star TOI-1740 A distance : 0.727 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1740 A distance : 1.273 AU
Original Kopparapu Outer Boundary for Early Mars for Star TOI-1740 A distance : 1.324 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1740 A)
(Position in Stellar Map of star TOI-1740 A and its Exoplanet TOI-1740 Ab)
(Zoomed position in Stellar Map of star TOI-1740 A and its Exoplanet TOI-1740 Ab (zoom level 3))
(Synthetic Spectrum of star TOI-1740 A*)
*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
