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Exoplanet Name : |
HD 199509 Ab |
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Alternate Name : |
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Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2753 |
(Rjup) |
3.0855 |
(Rearth) |
|
Mass (Mjup / Me): |
0.1360 |
(Mjup) |
43.2396 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.4260 |
(AU) |
0.4260 |
(AU Est.) |
|
Eccentricity : |
0.3730 |
|
Orbital Period(Yrs) |
0.2727 |
|
Orbital Period(Observed/Estimated) |
99.60 |
(Days Obs.) |
99.58 |
(Days Est.) |
|
Surface Gravity (G Earth) |
4.5418 |
|
Star Radiation at Atmospheric Boundary: |
6177.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
395.7 |
(K) |
|
Blackbody T 0.3(K) |
371.6 |
(K) |
|
Blackbody T 0.7(K) |
300.6 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
470.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
441.9 |
(K) |
|
Size Class: |
sub-Neptune-size |
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Mass Class: |
|
|
Detection Type : |
Radial Velocity |
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Mass Detection : |
Radial Velocity |
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Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
HD 199509 A |
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Alternate Name : |
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Star Distance(LY) : |
79.3 |
|
Stellar Radius(Rsun) : |
0.9 |
(Rsun Measured) |
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Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5796 |
(K) |
|
Spectral type : |
G2V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
-0.3 |
|
Absolute Magnitude: |
5.1 |
|
Apparent Magnitude: |
7.0 |
|
Right Ascension(RA) |
317.3364 |
|
Declination (DEC) |
-82.0273 |
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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 |
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|
Discovery Paper - URL |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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HD 199509 Ab
HD 199509 Ab
HD 199509 Ab is an exoplanet orbiting the star HD 199509 A, located about 79.3 light-years (24.3 pc) away from Solar System. Its discovery was publicly announced on 2012.
The host star HD 199509 A has apparent magnitude of 7.0, with absolute magnitude of 5.1. It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5796 with its spectral types of G2V
In this planetary system, the extrasolar planet HD 199509 Ab orbits around the star HD 199509 A every 99.6 days with its orbital distance of 0.43 AU ( 63728692.9 km)
(Projected orbit of HD 199509 Ab around its host star HD 199509 A)
The Star HD 199509 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.655 AU ( 97984498.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.905 AU ( 135440183.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.380 AU ( 206380867.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.030 AU ( 303698487.0 km)
Radiation at Planetary Boundary of HD 199509 Ab : 6177.09 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 199509 A)
Kopparapu Recent Venus for Star HD 199509 A distance : 0.678 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 199509 A distance : 0.859 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 199509 A distance : 0.829 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 199509 A distance : 0.909 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 199509 A distance : 1.516 AU
Kopparapu Outer Boundary for Early Mars for Star HD 199509 A distance : 1.599 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 199509 A)
Original Kopparapu Recent Venus for Star HD 199509 A distance : 0.679 AU
Original Kopparapu Runaway Greenhouse for Star HD 199509 A distance : 0.882 AU
Original Kopparapu Moist Greenhouse for Star HD 199509 A distance : 0.899 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 199509 A distance : 1.542 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 199509 A distance : 1.604 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 199509 A)
(Position in Stellar Map of star HD 199509 A and its Exoplanet HD 199509 Ab)
(Zoomed position in Stellar Map of star HD 199509 A and its Exoplanet HD 199509 Ab (zoom level 3))
(Synthetic Spectrum of star HD 199509 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
