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Space Astro
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Info for exoplanet "Mirdys Cha"
| Scientific (actual) data |
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| Name | WASP-139 Ab |
| Planet status | Confirmed |
| Planet mass | 0.117 |
| Radius | 0.8 |
| Orbital period | 5.92426 |
| Semi major axis | 0.062 |
| Orbit eccentricity | 0 |
| Inclination | 88.9 |
| Discovered | 2016 |
| Updated | 2024-08-01 |
| Tzero tr | 2457200 |
| Impact parameter | 0.33 |
| K | 14 |
| Temperature (kelvin) | 910 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | Radial Velocity |
| Radius measurement type | Primary Transit |
| Alternate names | TOI-265.01 |
| Star name | WASP-139 A |
| Right ascension | 49.56° |
| Declination | -41.3° |
| Mag v | 12.48 |
| Mag i | 11.59 |
| Mag j | 10.98 |
| Mag h | 10.57 |
| Mag k | 10.47 |
| Star distance | 212.472 |
| Star metallicity | 0.2 |
| Star mass | 0.87 |
| Star radius | 0.846 |
| Star sp type | K0V |
| Star age | 0.5 |
| Star temperature | 5151 |
| Star alternate names | TOI-265 |
| Wikipedia article | WASP-139 Ab |
Back
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| Fictional info (?) |
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| Suggested name | Mirdys Cha |
| Planet type | Small hot gas planet |
| It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 33°K (-240°C), and has a complex, layered cloud structure with hydrogen thought to make up the lowest clouds, and helium the uppermost layer of clouds. When viewed from Earth, this proximity to WASP-139 A means the planet can only be seen near the western or eastern horizon during the early evening or early morning. |
| Atmosphere | Helium | 93% |
| Hydrogen | 5.2% |
| Krypton | 1% |
| Formaldehyde | 0.15% |
| Methane | 0.038% |
| Atmospheric pressure | 3 bar |
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| No known satellites |
| Google search for Mirdys cha |
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Website by Joachim Michaelis
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