|
Exoplanet Name : |
HD 15906 c |
|
Alternate Name : |
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|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2614 |
(Rjup) |
2.9300 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0226 |
(Mjup) |
7.1698 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1410 |
(AU) |
0.1410 |
(AU Est.) |
|
Eccentricity : |
0.0400 |
|
Orbital Period(Yrs) |
0.0591 |
|
Orbital Period(Observed/Estimated) |
21.58 |
(Days Obs.) |
21.76 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.8351 |
|
Star Radiation at Atmospheric Boundary: |
18340.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
519.4 |
(K) |
|
Blackbody T 0.3(K) |
487.8 |
(K) |
|
Blackbody T 0.7(K) |
394.7 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
617.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
580.1 |
(K) |
|
Size Class: |
sub-Neptune-size |
|
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 : |
HD 15906 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
148.6 |
|
Stellar Radius(Rsun) : |
0.8 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4757 |
(K) |
|
Spectral type : |
KV |
|
UV portion[%]: |
2.3 |
|
Visible portion[%]: |
35.0 |
|
IR portion[%]: |
62.7 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
6.5 |
|
Apparent Magnitude: |
9.8 |
|
Right Ascension(RA) |
38.2708 |
|
Declination (DEC) |
-10.3517 |
|
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 |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
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|
SIMBAD LINK |
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|
Open Exoplanet Database Link |
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HD 15906 c
HD 15906 c
HD 15906 c is an exoplanet orbiting the star HD 15906, located about 148.6 light-years (45.6 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star HD 15906 has apparent magnitude of 9.8, with absolute magnitude of 6.5. It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4757 with its spectral types of KV
In this planetary system, the extrasolar planet HD 15906 c orbits around the star HD 15906 every 21.6 days with its orbital distance of 0.14 AU ( 21093299.8 km)
(Projected orbit of HD 15906 c around its host star HD 15906)
The Star HD 15906 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.374 AU ( 55882958.1 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.516 AU ( 77244852.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.787 AU ( 117704060.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.158 AU ( 173206680.9 km)
Radiation at Planetary Boundary of HD 15906 c : 18340.41 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 15906)
Kopparapu Recent Venus for Star HD 15906 distance : 0.409 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 15906 distance : 0.517 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 15906 distance : 0.500 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 15906 distance : 0.548 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 15906 distance : 0.947 AU
Kopparapu Outer Boundary for Early Mars for Star HD 15906 distance : 0.999 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 15906)
Original Kopparapu Recent Venus for Star HD 15906 distance : 0.403 AU
Original Kopparapu Runaway Greenhouse for Star HD 15906 distance : 0.533 AU
Original Kopparapu Moist Greenhouse for Star HD 15906 distance : 0.534 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 15906 distance : 0.963 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 15906 distance : 1.001 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 15906)
(Position in Stellar Map of star HD 15906 and its Exoplanet HD 15906 c)
(Zoomed position in Stellar Map of star HD 15906 and its Exoplanet HD 15906 c (zoom level 3))
(Synthetic Spectrum of star HD 15906*)
*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
