Mass-radius relation for extra-solar planets
The HARPS search for southern extra solar planets : XLIV Eight HARPS multi planet systems hosting 20 super Earth and Neptune mass companions
... Neptune- mass planets with periods of ...Neptune-mass planets orbit- ing HD 21693 and the two innermost super-Earth found around HD 136352 are close to a 5:2 ...
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Estimating the masses of extra-solar planets
... more extra-solar planets can such distributions, and their impact on our understanding of both planet and brown dwarf formation, be properly ...453 extra-solar planet candidates, there ...
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Probabilistic Mass-Radius Relationship for Sub-Neptune-Sized Planets
... M-R relation and its probable de- pendencies on period and stellar ...R relation and that directly produces estimates of the uncertainty of the inferred ...M-R relation that we are trying to model, ...
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Searching for transiting extra solar planets at optical and radio wavelengths
... out relation. A large number of outer planets were simulated at each of a number of periods, along with an inner planet with P = 3 d each orbiting a solar ...
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Extra-solar massive planets with small semi-major axes?
... giant planets as a possible mechanism for the observed depletion of massive planets with small semi- major axis and high eccentricities in recently detected extra solar ...a solar like ...
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Discovery and characterisation of transiting extra-solar planets with the Wide Angle Search for Planets (WASP) survey
... The pipeline optimised for 200-mm lens data used a reduction aperture with a radius of 3.5 pixels with two apertures with radii of 2.5 and 4.5 pixels to assess blending. I investigated apertures of 2.5, 3, 3.5, 4, ...
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A universal spin mass relation for brown dwarfs and planets
... of mass in the substellar ...the solar system, assuming angular momentum conservation, fi t the known spin – mass relation for solar system planets and extra-solar ...
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Transiting extra solar planets in the field of open cluster NGC 7789
... model-dependent mass and radius to each photometric cluster member, and assuming a law relating extinction to distance for the field allows the assignment of a model-dependent mass, radius and ...
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FRESIP: A Mission to Determine the Character and Frequency of Extra-Solar Planets Around Solarlike
... giant planets with orbital periods shorter than that of Mercury provides motivation for searching for terrestrial planets with similar orbital ...terrestrial planets in our own solar system, ...
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The New Worlds Observer: a mission for high-resolution spectroscopy of extra-solar terrestrial planets
... Figure 1. 1-D schematic of the design of the New Worlds Observer. The occulting shield spacecraft (the ”starshade”) is shown in the center of the diagram. A shaped aperture pupil acts like a lens, projecting an image ...
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The HARPS search for southern extra solar planets XLIII A compact system of four super Earth planets orbiting HD 215152
... In addition to the RVs, we also derived the log R 0 HK activity index from each of the 373 spectra. As for the RV, this index might also be a ff ected by the fiber upgrade. The RV and log R 0 HK measurements are shown in ...
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Most 1.6 Earth-Radius Planets are not Rocky
... of planets having constraints on both their mass and radius, one could eventually include extra parameters in the model to constrain the mass-radius distribution of ...
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The Transiting Multi-planet System HD15337: Two Nearly Equal-mass Planets Straddling the Radius Gap
... Figure 9 shows the obtained posterior distribution for the rotation period HD 15337 at an age of 150 Myr in comparison with the distribution derived from measurements of open cluster stars of the same age (Johnstone et ...
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The HARPS search for southern extra solar planets XL Searching for Neptunes around metal poor stars
... The distributions of metallicity, e ff ective temperature, and surface gravity of the full sample and of the 15 stars studied here are shown in Fig. 1. By selecting stars based on the num- ber of observations, one can ...
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Republication of: A homogeneous universe of constant mass and increasing radius accounting for the radial velocity of extra-galactic nebulae
... a relation between this density and the radius of the ...This relation forecasted the exi- stence of masses enormously greater than any known when the theory was for the first time compared with the ...
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Koppenhoefer, Johannes (2009): Searching for extra-solar planets with the transit method. Dissertation, LMU München: Fakultät für Physik
... von extra-solaren Planeten ist extrem schwierig, da in den meisten F¨allen der Mutterstern den Planeten um Gr¨ossenordnungen ...um extra-solare Planeten zu ...ihr Radius und damit auch die Dichte ...
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Mass-radius relationships of rocky exoplanets
... Keywords. planets and satellites: bulk composition, interior structure ...terrestrial planets and satellites within the solar system, the resultant radial profiles of density and related material ...
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The mass of Kepler 93b and the composition of terrestrial planets
... terrestrial planets would vary by roughly 2% at a given ...for planets less massive than 6 M ⊕ . Indeed, rocky planets very close to their host stars seem to obey a well-defined relationship between ...
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The HARPS search for southern extra solar planets XXXIX HD175607 the most metal poor G dwarf with an orbiting sub Neptune
... Giant planets are also rare around metal-poor stars and it has been proposed that a lower metallicity limit ...giant planets (Mortier et ...lower- mass planets? This discovery may thus have ...
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Brucalassi, Anna (2014): Search for extra-solar planets with high precision radial velocity curves. Dissertation, LMU München: Fakultät für Physik
... giant planets is described by a more complicated ...Jovian planets are more abundant than the metals and silicates that form the terrestrial planets, allowing the Jovian planets to grow ...
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