Seasonal changes on Jupiter. 1. The factor activity of hemispheres
| 1Vidmachenko, AP 1Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine |
| Kinemat. fiz. nebesnyh tel (Online) 2016, 32(4):48-59 |
| Start Page: Dynamics and Physics of Solar System Bodies |
| Language: Russian |
Abstract: To identification of temporal variations of the characteristics of the Jupiter’s cloud layer we take into account the rotation of the planet caused by geometrical modulation, and its orbital motions. Inclination of the axis of rotation to the orbital plane of Jupiter is 3.13°, the angle between the magnetic axis and the axis of rotation β ≈ 10°. Therefore, during the Jovian year Jovicentric magnetic declination of the Earth jm varies from –13.13 to +13.13° and under-the-Sun point on Jupiter’s magnetosphere is changed to 26.26° per orbital period. In this connection variation of Jovimagnetic latitude of the Earth on Jupiter will be a preferably on the influence of solar-driven changes of cloud’s reflective properties and above clouds haze on Jupiter. Because of the orbit eccentricity (e = 0.048450) northern hemisphere obtains on 21 % greater of solar energy flow to the atmosphere, because Jupiter is in perihelia in close to the time of the summer solstice. Results of our studies showed that the ratio of the brightness of the northern and southern tropical and temperate regions Aj is evident factor of the photometric activity of the Jupiter’s atmospheric processes. The obtained from the analysis of observational data for the period from 1962 to 2015, the existence of variations of factor activity Aj of the planet hemispheres with a period of 11.86 years, have allowed us to talk about the existence of the seasonal reconstruction of Jupiter’s atmosphere |
| Keywords: Jupiter’s atmosphere, solar energy flow, temporal variations |
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