Exoplanet Name : |
2M 1253+2734 b |
Alternate Name : |
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Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
8.3000 |
(Mjup) |
2638.8854 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
0.0000 |
(AU Est.) |
Eccentricity : |
0.6810 |
Orbital Period(Yrs) |
0.0666 |
Orbital Period(Observed/Estimated) |
24.31 |
(Days Obs.) |
0.00 |
(Days Est.) |
Surface Gravity (G Earth) |
25.4846 |
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
0.0 |
(K) |
Blackbody T 0.3(K) |
0.0 |
(K) |
Blackbody T 0.7(K) |
0.0 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
0.0 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
0.0 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
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Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
2M 1253+2734 |
Alternate Name : |
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Star Distance(LY) : |
0.0 |
Stellar Radius(Rsun) : |
0.4 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3300 |
(K) |
Spectral type : |
M9 |
UV portion[%]: |
0.2 |
Visible portion[%]: |
11.2 |
IR portion[%]: |
88.6 |
Metalicity : |
0.0 |
Absolute Magnitude: |
25.0 |
Apparent Magnitude: |
22.0 |
Right Ascension(RA) |
193.2542 |
Declination (DEC) |
27.5719 |
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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2M 1253+2734 b
2M 1253+2734 b
2M 1253+2734 b is an exoplanet orbiting the star 2M 1253+2734. Its discovery was publicly announced on 2021.
The host star 2M 1253+2734 has apparent magnitude of 22.0, with absolute magnitude of 25.0.
In this planetary system, the extrasolar planet 2M 1253+2734 b orbits around the star 2M 1253+2734 every 24.3 days with its orbital distance of 0.00 AU ( 0.0 km)
(Projected orbit of 2M 1253+2734 b around its host star 2M 1253+2734)
The Star 2M 1253+2734 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.102 AU ( 15301294.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.141 AU ( 21150388.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.215 AU ( 32228511.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.317 AU ( 47425666.0 km)
Radiation at Planetary Boundary of 2M 1253+2734 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2M 1253+2734)
Kopparapu Recent Venus for Star 2M 1253+2734 distance : 0.116 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2M 1253+2734 distance : 0.147 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2M 1253+2734 distance : 0.142 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2M 1253+2734 distance : 0.156 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 2M 1253+2734 distance : 0.288 AU
Kopparapu Outer Boundary for Early Mars for Star 2M 1253+2734 distance : 0.304 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 2M 1253+2734)
Original Kopparapu Recent Venus for Star 2M 1253+2734 distance : 0.115 AU
Original Kopparapu Runaway Greenhouse for Star 2M 1253+2734 distance : 0.152 AU
Original Kopparapu Moist Greenhouse for Star 2M 1253+2734 distance : 0.152 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2M 1253+2734 distance : 0.293 AU
Original Kopparapu Outer Boundary for Early Mars for Star 2M 1253+2734 distance : 0.304 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 2M 1253+2734)
(Position in Stellar Map of star 2M 1253+2734 and its Exoplanet 2M 1253+2734 b)
(Zoomed position in Stellar Map of star 2M 1253+2734 and its Exoplanet 2M 1253+2734 b (zoom level 3))
(Synthetic Spectrum of star 2M 1253+2734*)
*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