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Exoplanet Name : |
SWIFT J1756-2508 b |
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Alternate Name : |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
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Mass (Mjup / Me): |
7.8000 |
(Mjup) |
2479.9164 |
(Mearth) |
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Semi Major Axis / Orbital Distance Calculated |
0.0012 |
(AU) |
0.0012 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0001 |
|
Orbital Period(Observed/Estimated) |
0.04 |
(Days Obs.) |
0.01 |
(Days Est.) |
|
Surface Gravity (G Earth) |
23.9494 |
|
Star Radiation at Atmospheric Boundary: |
1555827204.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
8864.1 |
(K) |
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Blackbody T 0.3(K) |
8324.3 |
(K) |
|
Blackbody T 0.7(K) |
6735.2 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
10541.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
9899.3 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
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Detection Type : |
Other |
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Mass Detection : |
TTV |
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Radius Detection : |
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|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
SWIFT J1756-2508 |
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Alternate Name : |
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Star Distance(LY) : |
26092.5 |
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Stellar Radius(Rsun) : |
1.5 |
(Rsun Estimated) |
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Stellar Mass(Msun) : |
1.8 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5500 |
(K) |
|
Spectral type : |
X-ray Pulsar |
|
UV portion[%]: |
6.9 |
|
Visible portion[%]: |
43.2 |
|
IR portion[%]: |
49.9 |
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Metalicity : |
0.0 |
|
Absolute Magnitude: |
7.5 |
|
Apparent Magnitude: |
22.0 |
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Right Ascension(RA) |
269.2393 |
|
Declination (DEC) |
-25.1076 |
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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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SWIFT J1756-2508 b
SWIFT J1756-2508 b
SWIFT J1756-2508 b is an exoplanet orbiting the star SWIFT J1756-2508, located about 26092.5 light-years (8000.0 pc) away from Solar System. Its discovery was publicly announced on 2007.
The host star SWIFT J1756-2508 has apparent magnitude of 22.0, with absolute magnitude of 7.5. It is 1.8 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of X-ray Pulsar
In this planetary system, the extrasolar planet SWIFT J1756-2508 b orbits around the star SWIFT J1756-2508 every 0.0 days with its orbital distance of 0.00 AU ( 184693.5 km)
(Projected orbit of SWIFT J1756-2508 b around its host star SWIFT J1756-2508)
The Star SWIFT J1756-2508 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.953 AU ( 142515683.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.317 AU ( 196993918.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.007 AU ( 300175137.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.953 AU ( 441720864.2 km)
Radiation at Planetary Boundary of SWIFT J1756-2508 b : 1555827204.51 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star SWIFT J1756-2508)
Kopparapu Recent Venus for Star SWIFT J1756-2508 distance : 1.004 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star SWIFT J1756-2508 distance : 1.271 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star SWIFT J1756-2508 distance : 1.227 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star SWIFT J1756-2508 distance : 1.346 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star SWIFT J1756-2508 distance : 2.263 AU
Kopparapu Outer Boundary for Early Mars for Star SWIFT J1756-2508 distance : 2.386 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star SWIFT J1756-2508)
Original Kopparapu Recent Venus for Star SWIFT J1756-2508 distance : 1.000 AU
Original Kopparapu Runaway Greenhouse for Star SWIFT J1756-2508 distance : 1.307 AU
Original Kopparapu Moist Greenhouse for Star SWIFT J1756-2508 distance : 1.323 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star SWIFT J1756-2508 distance : 2.302 AU
Original Kopparapu Outer Boundary for Early Mars for Star SWIFT J1756-2508 distance : 2.394 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star SWIFT J1756-2508)
(Position in Stellar Map of star SWIFT J1756-2508 and its Exoplanet SWIFT J1756-2508 b)
(Zoomed position in Stellar Map of star SWIFT J1756-2508 and its Exoplanet SWIFT J1756-2508 b (zoom level 3))
(Synthetic Spectrum of star SWIFT J1756-2508*)
*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
