|
Exoplanet Name : |
TWA 5 A (AB) b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
25.0000 |
(Mjup) |
7948.4500 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
86.0000 |
(AU) |
86.0000 |
(AU Est.) |
|
Eccentricity : |
0.4500 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
460583.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
76.7608 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
11.8 |
(K) |
|
Blackbody T 0.3(K) |
11.1 |
(K) |
|
Blackbody T 0.7(K) |
9.0 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
14.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
13.2 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
Spectrum |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
TWA 5 A (AB) |
|
Alternate Name : |
|
|
Star Distance(LY) : |
157.6 |
|
Stellar Radius(Rsun) : |
0.4 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.1 |
(GY) |
|
Temperature : |
3700 |
(K) |
|
Spectral type : |
M1.5 |
|
UV portion[%]: |
0.4 |
|
Visible portion[%]: |
18.2 |
|
IR portion[%]: |
81.4 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
8.7 |
|
Apparent Magnitude: |
12.1 |
|
Right Ascension(RA) |
172.9802 |
|
Declination (DEC) |
-34.6075 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
07223-00275 |
|
Discovered by |
|
|
Discovery Paper - Authors |
0 |
|
Discovery Paper - Title |
0 |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=TWA+5+A+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
_b_CSun.png) |
_b_CJup.png) |
_b_CNep.png) |
_b_CEar.png) |
/
TWA 5 A (AB) b
TWA 5 A (AB) b
TWA 5 A (AB) b is an exoplanet orbiting the star TWA 5 A (AB), located about 157.6 light-years (48.3 pc) away from Solar System. Its discovery was publicly announced on 2009.
The host star TWA 5 A (AB) has apparent magnitude of 12.1, with absolute magnitude of 8.7. It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3700 with its spectral types of M1.5
(Projected orbit of TWA 5 A (AB) b around its host star TWA 5 A (AB))
_b_Orb.png)
The Star TWA 5 A (AB) 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.118 AU ( 17719607.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.164 AU ( 24493128.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.249 AU ( 37322107.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.367 AU ( 54921116.3 km)
Radiation at Planetary Boundary of TWA 5 A (AB) b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TWA 5 A (AB))
_b_OrbH.png)
Kopparapu Recent Venus for Star TWA 5 A (AB) distance : 0.133 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TWA 5 A (AB) distance : 0.169 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TWA 5 A (AB) distance : 0.163 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TWA 5 A (AB) distance : 0.179 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TWA 5 A (AB) distance : 0.325 AU
Kopparapu Outer Boundary for Early Mars for Star TWA 5 A (AB) distance : 0.343 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TWA 5 A (AB))
_b_OrbK.png)
Original Kopparapu Recent Venus for Star TWA 5 A (AB) distance : 0.132 AU
Original Kopparapu Runaway Greenhouse for Star TWA 5 A (AB) distance : 0.175 AU
Original Kopparapu Moist Greenhouse for Star TWA 5 A (AB) distance : 0.175 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TWA 5 A (AB) distance : 0.331 AU
Original Kopparapu Outer Boundary for Early Mars for Star TWA 5 A (AB) distance : 0.344 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TWA 5 A (AB))
_b_OrbKO.png)
(Position in Stellar Map of star TWA 5 A (AB) and its Exoplanet TWA 5 A (AB) b)
_b_STZ0.png)
(Zoomed position in Stellar Map of star TWA 5 A (AB) and its Exoplanet TWA 5 A (AB) b (zoom level 3))
_b_STZ3.png)
(Synthetic Spectrum of star TWA 5 A (AB)*)
_b_Spc.png)
*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
