CoRoT III programme
... Its photometric accuracy is only a few percent above the photon noise in the seismology channel and twice the photon noise in the exoplanet channel over periods up to 150 days, with a duty cycle higher than 90%. It still fulfils the scientific specifications and there is no sign of significant aging ...
... Its photometric accuracy is only a few percent above the photon noise in the seismology channel and twice the photon noise in the exoplanet channel over periods up to 150 days, with a duty cycle higher than 90%. It still fulfils the scientific specifications and there is no sign of significant aging ...
Document
... The importance of the existence of an ozone layer lies in its ability to protect life on the surface of the planet from the harmful stellar UV radiation. It has been determined that for the generation of a protective ozone layer only a small amount of oxygen (0.1 of the present atmospheric levels) i ...
... The importance of the existence of an ozone layer lies in its ability to protect life on the surface of the planet from the harmful stellar UV radiation. It has been determined that for the generation of a protective ozone layer only a small amount of oxygen (0.1 of the present atmospheric levels) i ...
CHaracterising ExOPlanets Satellite arXiv:1310.7800v1 [astro
... the only known system: ours. Exoplanets add difficulties to the picture as the range of exoplanet size extends from sub-Earth size up to gaseous giants several times the mass of Jupiter in a wide range of orbits. The existence of such a zoo starts to be explained by computer simulation of N-bodies s ...
... the only known system: ours. Exoplanets add difficulties to the picture as the range of exoplanet size extends from sub-Earth size up to gaseous giants several times the mass of Jupiter in a wide range of orbits. The existence of such a zoo starts to be explained by computer simulation of N-bodies s ...
Stars and Planets Credits and Acknowledgements
... techniques astronomers use to find planets without “seeing” them. In part 2, students learn about the discoveries of Jupiter-like planets around other stars and make scale models of several of these planetary systems to compare to our own solar system. The students are also be introduced to current ...
... techniques astronomers use to find planets without “seeing” them. In part 2, students learn about the discoveries of Jupiter-like planets around other stars and make scale models of several of these planetary systems to compare to our own solar system. The students are also be introduced to current ...
Observations, Modeling and Theory of Debris Disks
... in thermal emission or scattered light. These disks may persist over Gyrs through steady-state evolution and/or may also experience sporadic stirring and major collisional breakups, rendering them atypically bright for brief periods of time. Most interestingly, they provide direct evidence that the ...
... in thermal emission or scattered light. These disks may persist over Gyrs through steady-state evolution and/or may also experience sporadic stirring and major collisional breakups, rendering them atypically bright for brief periods of time. Most interestingly, they provide direct evidence that the ...
Observations, Modeling and Theory of Debris Disks
... in thermal emission or scattered light. These disks may persist over Gyrs through steady-state evolution and/or may also experience sporadic stirring and major collisional breakups, rendering them atypically bright for brief periods of time. Most interestingly, they provide direct evidence that the ...
... in thermal emission or scattered light. These disks may persist over Gyrs through steady-state evolution and/or may also experience sporadic stirring and major collisional breakups, rendering them atypically bright for brief periods of time. Most interestingly, they provide direct evidence that the ...
Comprehensive Wide-Band Magnitudes and Albedos for the Planets
... Author BK obtained the photometric measurements reported in this paper with a 20-cm aperture Schmidt-Cassegrain telescope, an SBIG CCD camera containing a cooled Kodak KAF-0400 sensor, and a set of five Generation 2 Astrodon Sloan filters. The observations were scheduled so that the air masses were ...
... Author BK obtained the photometric measurements reported in this paper with a 20-cm aperture Schmidt-Cassegrain telescope, an SBIG CCD camera containing a cooled Kodak KAF-0400 sensor, and a set of five Generation 2 Astrodon Sloan filters. The observations were scheduled so that the air masses were ...
A new method to determine the mean density of massive Solar
... gravitational influence, conditioned by gravitational potential, is governed by the mass of the central body for the planets and the planet satellites, then the effect of the Sun on all celestial bodies and the effect of a planet on its moons are proportional to the ratio of masses of the Sun and th ...
... gravitational influence, conditioned by gravitational potential, is governed by the mass of the central body for the planets and the planet satellites, then the effect of the Sun on all celestial bodies and the effect of a planet on its moons are proportional to the ratio of masses of the Sun and th ...
Abiotic formation of O2 and O3 in high
... eliminate reaction with reduced volcanic gases (primarily H2 ) as an oxygen sink. The martian atmosphere contains 0.1% O2 and would likely have even more if the planet were slightly larger so that it did not lose oxygen to space by nonthermal loss mechanisms (McElroy and Donahue ...
... eliminate reaction with reduced volcanic gases (primarily H2 ) as an oxygen sink. The martian atmosphere contains 0.1% O2 and would likely have even more if the planet were slightly larger so that it did not lose oxygen to space by nonthermal loss mechanisms (McElroy and Donahue ...
Lightning climatology of exoplanets and brown dwarfs guided by
... Clouds form on extrasolar planets and brown dwarfs where lightning could occur. Lightning is a tracer of atmospheric convection, cloud formation and ionization processes as known from the Solar system, and may be significant for the formation of prebiotic molecules. We study lightning climatology fo ...
... Clouds form on extrasolar planets and brown dwarfs where lightning could occur. Lightning is a tracer of atmospheric convection, cloud formation and ionization processes as known from the Solar system, and may be significant for the formation of prebiotic molecules. We study lightning climatology fo ...
MPhil Thesis - Final - Suzanne Knight
... Lovis & Mayor (2007) and Johnson et al. (2007) suggest that intermediate mass stars rather than lower mass stars are more likely to host extrasolar companions of all masses. Furthermore variable white dwarfs with stability in pulse period and phase offers an opportunity in the detection of lower ma ...
... Lovis & Mayor (2007) and Johnson et al. (2007) suggest that intermediate mass stars rather than lower mass stars are more likely to host extrasolar companions of all masses. Furthermore variable white dwarfs with stability in pulse period and phase offers an opportunity in the detection of lower ma ...
Hint of a transiting extended atmosphere on 55 Cancri b⋆
... HD 189733b, we would expect any transit signatures as absorption over a limited and blueshifted range of velocities in the Lyα line. We scanned the spectra in search for transit-like signatures in the vicinity of the inferior conjunction. For each wavelength range, we calculated a phase-folded trans ...
... HD 189733b, we would expect any transit signatures as absorption over a limited and blueshifted range of velocities in the Lyα line. We scanned the spectra in search for transit-like signatures in the vicinity of the inferior conjunction. For each wavelength range, we calculated a phase-folded trans ...
The Kuiper Belt and Other Debris Disks - UCLA
... retrograde examples, and most have eccentricities much less than unity (Figure 3). They are dynamically distinct from the long period Oort comets, and they interact strongly with Jupiter. For many years it was thought that the JFCs were captured from the long period population by Jupiter but increas ...
... retrograde examples, and most have eccentricities much less than unity (Figure 3). They are dynamically distinct from the long period Oort comets, and they interact strongly with Jupiter. For many years it was thought that the JFCs were captured from the long period population by Jupiter but increas ...
