|
Exoplanet Name : |
HQ Tau Ab |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
50.1000 |
(Mjup) |
15928.6938 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.6100 |
(AU) |
0.6100 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.3444 |
|
Orbital Period(Observed/Estimated) |
125.80 |
(Days Obs.) |
275.14 |
(Days Est.) |
|
Surface Gravity (G Earth) |
153.8287 |
|
Star Radiation at Atmospheric Boundary: |
1158.8 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
260.4 |
(K) |
|
Blackbody T 0.3(K) |
244.5 |
(K) |
|
Blackbody T 0.7(K) |
197.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
309.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
290.8 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HQ Tau A |
|
Alternate Name : |
|
|
Star Distance(LY) : |
524.3 |
|
Stellar Radius(Rsun) : |
1.6 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.4 |
(Msun Measured) |
1.9 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3467 |
(K) |
|
Spectral type : |
M0 |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
10.4 |
|
IR portion[%]: |
89.4 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
6.0 |
|
Apparent Magnitude: |
12.0 |
|
Right Ascension(RA) |
68.9472 |
|
Declination (DEC) |
22.8394 |
|
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 |
|
 |
 |
 |
 |
/
HQ Tau Ab
HQ Tau Ab
HQ Tau Ab is an exoplanet orbiting the star HQ Tau A, located about 524.3 light-years (160.8 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star HQ Tau A has apparent magnitude of 12.0, with absolute magnitude of 6.0. It is 0.4 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 3467 with its spectral types of M0
In this planetary system, the extrasolar planet HQ Tau Ab orbits around the star HQ Tau A every 125.8 days with its orbital distance of 0.61 AU ( 91254701.1 km)
(Projected orbit of HQ Tau Ab around its host star HQ Tau A)
The Star HQ Tau A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.406 AU ( 60770162.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.562 AU ( 84000245.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.856 AU ( 127997784.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.259 AU ( 188354346.7 km)
Radiation at Planetary Boundary of HQ Tau Ab : 1158.80 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HQ Tau A)
Kopparapu Recent Venus for Star HQ Tau A distance : 0.459 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HQ Tau A distance : 0.581 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HQ Tau A distance : 0.561 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HQ Tau A distance : 0.617 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HQ Tau A distance : 1.132 AU
Kopparapu Outer Boundary for Early Mars for Star HQ Tau A distance : 1.195 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HQ Tau A)
Original Kopparapu Recent Venus for Star HQ Tau A distance : 0.455 AU
Original Kopparapu Runaway Greenhouse for Star HQ Tau A distance : 0.602 AU
Original Kopparapu Moist Greenhouse for Star HQ Tau A distance : 0.603 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HQ Tau A distance : 1.150 AU
Original Kopparapu Outer Boundary for Early Mars for Star HQ Tau A distance : 1.196 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HQ Tau A)
(Position in Stellar Map of star HQ Tau A and its Exoplanet HQ Tau Ab)
(Zoomed position in Stellar Map of star HQ Tau A and its Exoplanet HQ Tau Ab (zoom level 3))
(Synthetic Spectrum of star HQ Tau 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
