|
Exoplanet Name : |
DS Tuc A b |
|
Alternate Name : |
"HD 222259 A b, TIC 4102214986 b" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.5085 |
(Rjup) |
5.6998 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0453 |
(Mjup) |
14.4026 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0795 |
(AU) |
0.0795 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0223 |
|
Orbital Period(Observed/Estimated) |
8.14 |
(Days Obs.) |
8.36 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.4433 |
|
Star Radiation at Atmospheric Boundary: |
144785.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
870.6 |
(K) |
|
Blackbody T 0.3(K) |
817.6 |
(K) |
|
Blackbody T 0.7(K) |
661.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1035.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
972.3 |
(K) |
|
Size Class: |
sub-Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
Theoretical |
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
DS Tuc A |
|
Alternate Name : |
|
|
Star Distance(LY) : |
143.9 |
|
Stellar Radius(Rsun) : |
0.9 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5597 |
(K) |
|
Spectral type : |
G6V |
|
UV portion[%]: |
7.3 |
|
Visible portion[%]: |
43.8 |
|
IR portion[%]: |
48.9 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
5.8 |
|
Apparent Magnitude: |
9.0 |
|
Right Ascension(RA) |
354.9167 |
|
Declination (DEC) |
-69.1958 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
|
|
Open Exoplanet Database Link |
|
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 |
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DS Tuc A b
DS Tuc A b
DS Tuc A b is an exoplanet orbiting the star DS Tuc A, located about 143.9 light-years (44.1 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star DS Tuc A has apparent magnitude of 9.0, with absolute magnitude of 5.8. It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5597 with its spectral types of G6V
In this planetary system, the extrasolar planet DS Tuc A b orbits around the star DS Tuc A every 8.1 days with its orbital distance of 0.08 AU ( 11893030.7 km)
(Projected orbit of DS Tuc A b around its host star DS Tuc A)
The Star DS Tuc A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.592 AU ( 88528929.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.818 AU ( 122370115.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.246 AU ( 186464975.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.834 AU ( 274391380.1 km)
Radiation at Planetary Boundary of DS Tuc A b : 144785.39 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star DS Tuc A)
Kopparapu Recent Venus for Star DS Tuc A distance : 0.620 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star DS Tuc A distance : 0.785 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star DS Tuc A distance : 0.758 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star DS Tuc A distance : 0.831 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star DS Tuc A distance : 1.393 AU
Kopparapu Outer Boundary for Early Mars for Star DS Tuc A distance : 1.470 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star DS Tuc A)
Original Kopparapu Recent Venus for Star DS Tuc A distance : 0.619 AU
Original Kopparapu Runaway Greenhouse for Star DS Tuc A distance : 0.807 AU
Original Kopparapu Moist Greenhouse for Star DS Tuc A distance : 0.819 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star DS Tuc A distance : 1.418 AU
Original Kopparapu Outer Boundary for Early Mars for Star DS Tuc A distance : 1.474 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star DS Tuc A)
(Position in Stellar Map of star DS Tuc A and its Exoplanet DS Tuc A b)
(Zoomed position in Stellar Map of star DS Tuc A and its Exoplanet DS Tuc A b (zoom level 3))
(Synthetic Spectrum of star DS Tuc 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
