|
Exoplanet Name : |
NGTS-7A b |
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Alternate Name : |
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Status : |
Confirmed |
|
Radius (Rjup / Re): |
1.0700 |
(Rjup) |
11.9936 |
(Rearth) |
|
Mass (Mjup / Me): |
62.0000 |
(Mjup) |
19712.1560 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0139 |
(AU) |
0.0139 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0019 |
|
Orbital Period(Observed/Estimated) |
0.68 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
137.0354 |
|
Star Radiation at Atmospheric Boundary: |
300659.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1045.1 |
(K) |
|
Blackbody T 0.3(K) |
981.5 |
(K) |
|
Blackbody T 0.7(K) |
794.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1242.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1167.2 |
(K) |
|
Size Class: |
Jupiter-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 : |
NGTS-7A |
|
Alternate Name : |
|
|
Star Distance(LY) : |
497.9 |
|
Stellar Radius(Rsun) : |
0.6 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
|
Star Age : |
0.1 |
(GY) |
|
Temperature : |
3359 |
(K) |
|
Spectral type : |
M |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
8.8 |
|
IR portion[%]: |
91.0 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
9.6 |
|
Apparent Magnitude: |
15.5 |
|
Right Ascension(RA) |
352.5217 |
|
Declination (DEC) |
-38.9699 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
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Discovered by |
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Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
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|
Open Exoplanet Database Link |
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NGTS-7A b
NGTS-7A b
NGTS-7A b is an exoplanet orbiting the star NGTS-7A, located about 497.9 light-years (152.7 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star NGTS-7A has apparent magnitude of 15.5, with absolute magnitude of 9.6.
In this planetary system, the extrasolar planet NGTS-7A b orbits around the star NGTS-7A every 0.7 days with its orbital distance of 0.01 AU ( 2079410.4 km)
(Projected orbit of NGTS-7A b around its host star NGTS-7A)
The Star NGTS-7A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.149 AU ( 22305294.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.206 AU ( 30831745.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.314 AU ( 46980757.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.462 AU ( 69134242.4 km)
Radiation at Planetary Boundary of NGTS-7A b : 300659.48 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NGTS-7A)
Kopparapu Recent Venus for Star NGTS-7A distance : 0.169 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star NGTS-7A distance : 0.214 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star NGTS-7A distance : 0.206 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star NGTS-7A distance : 0.227 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-7A distance : 0.418 AU
Kopparapu Outer Boundary for Early Mars for Star NGTS-7A distance : 0.441 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star NGTS-7A)
Original Kopparapu Recent Venus for Star NGTS-7A distance : 0.168 AU
Original Kopparapu Runaway Greenhouse for Star NGTS-7A distance : 0.221 AU
Original Kopparapu Moist Greenhouse for Star NGTS-7A distance : 0.222 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-7A distance : 0.425 AU
Original Kopparapu Outer Boundary for Early Mars for Star NGTS-7A distance : 0.442 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star NGTS-7A)
(Position in Stellar Map of star NGTS-7A and its Exoplanet NGTS-7A b)
(Zoomed position in Stellar Map of star NGTS-7A and its Exoplanet NGTS-7A b (zoom level 3))
(Synthetic Spectrum of star NGTS-7A*)
*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
