Radial velocities and the systemic velocity
Radial velocities in the globular cluster ω Centauri
... Mean radial veloc- ity field after subtraction of the systemic velocity, b) radial velocity ...observed velocities have not been corrected for the per- spective rotation caused ...
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Signals embedded in the radial velocity noise: periodic variations in the tau Ceti velocities
... We also find the best noise models for the AAPS and HIRES RVs and use them in combination with the HARPS velocities in further analyses because signals that are not detected in any of th[r] ...
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Estimation of the radial variation of seismic velocities and density in the earth
... This t h e s i s addresses the p roblem of estimating the average radial distributions of compressional velocity, shear velocity, and density in the Earth from the [r] ...
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The Bulge Radial Velocity/Abundance Assay
... One recent development has been observational claims for an “X-shaped” bulge. McWilliam & Zoccali (2010) found a doubling of the red clump in a number of bulge fields. de Propris et al. (2011; Figure 5) find no ...
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LONG-TERM RADIAL VELOCITY MONITORING
... Its orbital RV variations are superimposed on the cyclic long-term and short-term ones. ζ Tau also shows cyclic behaviour in the radial velocity of the HeI 6678 ˚ A absorption line. As far as we know the ...
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Signals embedded in the radial velocity noise
... as radial velocity, transit, or astrometric surveys in the context of planet searches; time-series, individual numbers, matrices such as digital images, ...
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Radial velocities of early-type stars in the Perseus OB2 association
... present radial velocities for 29 B- and A-type stars in the field of the nearby association Perseus ...The velocities are derived from spectra obtained with AURELIE, via cross correlation with ...
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Precise radial velocities of giant stars. I. Stable stars
... The radial velocity variations on the level of a few m/s are in- teresting for oscillation ...larger radial velocity varia- tions on longer ...
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What velocities and eccentricities tell us about radial migration
... metallicities. Radial migration with its redistribution in angular momentum, however, does a huge change to this relation: If we assume the other extreme case of complete radial mixing, the gradient will ...
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Light Velocity is Not the Limit of All Velocities Le Van Cuong
... and time: s r . The observers on the earth can’t measure c r which is in the satellite, it doesn’t mean that light velocity: c r does not exist. Conclusion : The demonstration of time dilation in the Texbook: ...
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A radial velocity study of CTCV J1300-3052
... then underwent an optimal extraction routine (Horne 1986; Marsh 1989), and order merging. Wavelength calibration was undertaken using an arc line spectrum which was taken from the ESO archive. The wavelength calibration ...
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A radial velocity study of CTCV J1300−3052
... then underwent an optimal extraction routine (Horne 1986; Marsh 1989), and order merging. Wavelength calibration was undertaken using an arc line spectrum which was taken from the ESO archive. The wavelength calibration ...
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Radial velocity measurements of subdwarf B stars
... a radial velocity study of a large sample of sdB stars, and have shown that a significant fraction of the field sdB population exists in binary ...our radial velocity measurements of a further ...
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High precision radial velocities in the near-infrared domain: Status and prospects
... So far a total of ∼ 20 such planets have been announced among ∼ 200 bright stars searched for super Earth mass planets, mostly using state-of-the-art high-resolution cross-dispersed eche[r] ...
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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 ...
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The radial velocity experiment (RAVE): second data release
... Radial velocities for stars new to this data release are more accurate than before, with typical errors between 1.3 and 1.7 km s −1 . These values are confirmed both by repeated observations and by external ...
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The radial velocity experiment (RAVE): fourth data release
... the radial velocities, and the stellar distances, as well as a description of the AAVSO Photometric All-Sky Survey (APASS) photometry, which is recommended to be used as it becomes ...
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The radial velocity experiment (RAVE): first data release
... We carry out a standard cross-correlation technique with the non- sky-subtracted target frames, again using the median spectrum for each fiber from the set of 5 scientific exposures. We use a sky spectrum from the ...
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A radial velocity study of the intermediate polar EX Hydrae
... reliable radial velocity semi- ...and velocities not larger than ∼1000 km s − 1 and another broader component extending up to ∼ 2000 km s −1 , which we interpret as coming mainly from the inner ...
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Radial velocity follow-up of CoRoT transiting exoplanets
... the radial-velocity follow-up program performed to establish the planetary nature and to characterize the transiting candidates discovered by the space mission ...high-precision radial ...
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