The radial velocity method
LONG-TERM RADIAL VELOCITY MONITORING
... mirror method. This method measures the Doppler shift of spectra by correlation of the spectral line with their mirroring around the laboratory wavelength, and is particularly suitable for the evaluation of ...
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Signals embedded in the radial velocity noise
... 40307 RADIAL VELOCITIES HD 40307 is known to be a system of three super-Earths with orbital periods of ...reduction method, i.e. the cross-correlations function (CCF) method [1], might disable a ...
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A radial velocity study of CTCV J1300-3052
... The value of v sin i obtained using this method was found to vary depending on the spectral-type template used and the wavelength region selected for optimal subtraction. We attempted to include as much of the ...
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A radial velocity study of CTCV J1300−3052
... The value of v sin i obtained using this method was found to vary depending on the spectral-type template used and the wavelength region selected for optimal subtraction. We attempted to include as much of the ...
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The radial velocity experiment (RAVE): third data release
... the radial velocities is marginally improved with the new pipeline, the distribution of internal errors in the ra- dial velocities has mode ...our radial velocities to independent estimates based on 373 ...
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The radial velocity experiment (RAVE): second data release
... Reducing the number of template spectra does not solve the ill-conditioned nature of the problem, even if the number of templates becomes lower than the number of pixels. This is due to the fact that the pixel values are ...
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The radial velocity experiment (RAVE): first data release
... Note that RAVEdr (and 6dFdr) is able to perform more sophisti- cated fiber extractions, which fit profiles to each fiber cross section to reduce fiber cross talk. However, this critically depends on the accurate ...
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A radial velocity study of the intermediate polar EX Hydrae
... show a strong deviation from a sinusoidal behaviour (not shown in the paper), which could indicate that we have not properly avoided all phase-dependent asymmetries. In the diagnostic diagram, we have included the rms ...
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A Radial Velocity Study of the Intermediate Polar EX Hydrae
... the radial velocity values show a strong deviation from a sinusoidal behaviour (not shown in the paper), which could indicate that we have not properly avoided all phase-dependent ...Gaussian method ...
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Veloce Rosso: Australia's new precision radial velocity spectrograph
... Air-tight cable penetrations into the enclosure are achieved via elastomeric feedthrough panels from Roxtec. This option was selected as a way of minimizing breaks in the noise-sensitive detector cables, and to provide ...
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Errors in radial velocity variance from Doppler wind lidar
... six-beam method from Sathe et ...streamwise velocity variance and the vertical mo- mentum flux, in terms of the relative standard deviation, de- crease with increasing sampling duration ...streamwise ...
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Precise Radial Velocity Estimation for Inverse Synthetic Aperture Radar
... Real radar data of a non-cooperative aircraft are utilized to further validate the performance of the proposed method. The target is a Boeing 737 aircraft, which has the length/width/height of 33.6 m/34.3 m/12.5 ...
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The stellar velocity dispersion in nearby spirals: radial profiles and correlations
... stellar velocity dispersions, accurate stellar circular-speed curves, molecular gas data, star formation rates, stellar masses, and stellar scale lengths are all publicly ...stellar radial velocity ...
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RADIAL VELOCITY PROPERTIES OF BINARY CEMP-R/S STARS
... 5.1 Implications If CEMP-r/s stars do gain their enrichment through binary mass transfer, that will give future studies a place to start on determining what the method is that gives CEMP-r/s stars their peculiar ...
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A method to analyse velocity structure
... It is also difficult to display multidimensional errorbars. This limits the usefulness of PPV diagrams when the third spatial component and/or additional velocity components are measured. The lack of objective, ...
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Hide and seek : radial velocity searches for planets around active stars
... Application to observations of planet-hosting 3 stars ∗ In this Chapter, I present the work I have done towards characterising three plane- tary systems: CoRoT-7, Kepler-78 and Kepler-10. CoRoT-7 is an active star host ...
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Investigation of gravity waves using horizontally resolved radial velocity measurements
... the radial ve- locities for each beam direction. Here we present a method to retrieve gravity wave parameters from these horizontally resolved radial wind variations by applying velocity ...
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Velocity Analysis using Pole Method
... General Method for Velocity and Acceleration We start with plane curvilinear motion using polar coordinates to denote the position vector ‘r’ and its angular coordinate ‘θ’ measured from a fixed reference ...
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Three years of Sun as a star radial velocity observations on the approach to solar minimum
... The coincidence of strong, isolated peaks in the FWHM time- series with similarly isolated peaks in the sunspot number, and the greater observed persistence of the BIS signal for several rotations after the emergence of ...
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An astro comb calibrated solar telescope to search for the radial velocity signature of Venus
... the radial velocity (RV) method is currently challenged by perturbations induced by stellar surface inhomogeneities including spots, plages and granules leading to jitter in the measured stellar ...
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