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Exoplanet Name : |
XTE J1807-294 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): |
14.5000 |
(Mjup) |
4610.1010 |
(Mearth) |
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Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
0.0021 |
(AU Est.) |
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Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0001 |
|
Orbital Period(Observed/Estimated) |
0.03 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
44.5213 |
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Star Radiation at Atmospheric Boundary: |
58393492.2 |
(W/m2) |
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Measured Temperature (K) |
0.0 |
(K) |
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Blackbody T 0.1(K) |
3901.5 |
(K) |
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Blackbody T 0.3(K) |
3663.9 |
(K) |
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Blackbody T 0.7(K) |
2964.5 |
(K) |
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Tidally Locked Blackbody T 0.1(K) |
4639.7 |
(K) |
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Tidally Locked Blackbody T 0.3(K) |
4357.2 |
(K) |
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Size Class: |
Jupiter-size |
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Mass Class: |
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Detection Type : |
Pulsar |
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Mass Detection : |
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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 : |
XTE J1807-294 |
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Alternate Name : |
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Star Distance(LY) : |
17938.6 |
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Stellar Radius(Rsun) : |
1.3 |
(Rsun Estimated) |
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Stellar Mass(Msun) : |
1.5 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
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Star Age : |
0.0 |
(GY) |
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Temperature : |
3300 |
(K) |
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Spectral type : |
M9 |
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UV portion[%]: |
0.2 |
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Visible portion[%]: |
11.2 |
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IR portion[%]: |
88.6 |
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Metalicity : |
0.0 |
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Absolute Magnitude: |
8.3 |
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Apparent Magnitude: |
22.0 |
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Right Ascension(RA) |
271.7516 |
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Declination (DEC) |
-29.4086 |
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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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XTE J1807-294 b
XTE J1807-294 b
XTE J1807-294 b is an exoplanet orbiting the star XTE J1807-294, located about 17938.6 light-years (5500.0 pc) away from Solar System. Its discovery was publicly announced on 2005.
The host star XTE J1807-294 has apparent magnitude of 22.0, with absolute magnitude of 8.3. It is 1.5 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
In this planetary system, the extrasolar planet XTE J1807-294 b orbits around the star XTE J1807-294 every 0.0 days with its orbital distance of 0.00 AU ( 307772.3 km)
(Projected orbit of XTE J1807-294 b around its host star XTE J1807-294)
The Star XTE J1807-294 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.308 AU ( 46008917.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.425 AU ( 63596347.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.648 AU ( 96906760.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.953 AU ( 142602542.7 km)
Radiation at Planetary Boundary of XTE J1807-294 b : 58393492.25 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star XTE J1807-294)
Kopparapu Recent Venus for Star XTE J1807-294 distance : 0.348 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star XTE J1807-294 distance : 0.441 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star XTE J1807-294 distance : 0.426 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star XTE J1807-294 distance : 0.468 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star XTE J1807-294 distance : 0.866 AU
Kopparapu Outer Boundary for Early Mars for Star XTE J1807-294 distance : 0.914 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star XTE J1807-294)
Original Kopparapu Recent Venus for Star XTE J1807-294 distance : 0.346 AU
Original Kopparapu Runaway Greenhouse for Star XTE J1807-294 distance : 0.457 AU
Original Kopparapu Moist Greenhouse for Star XTE J1807-294 distance : 0.458 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star XTE J1807-294 distance : 0.880 AU
Original Kopparapu Outer Boundary for Early Mars for Star XTE J1807-294 distance : 0.915 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star XTE J1807-294)
(Position in Stellar Map of star XTE J1807-294 and its Exoplanet XTE J1807-294 b)
(Zoomed position in Stellar Map of star XTE J1807-294 and its Exoplanet XTE J1807-294 b (zoom level 3))
(Synthetic Spectrum of star XTE J1807-294*)
*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
