radial velocities
Radial velocities in the globular cluster ω Centauri
... a radial velocity study be- cause of its high systemic radial velocity of ...CORAVEL radial velocities for 471 cluster members extending to about 20 , with mean errors of better than 1 km s −1 ...
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Precise radial velocities of giant stars. I. Stable stars
... giant radial velocity survey started in June 1999, with the Coudé Auxiliary Telescope (CAT) in conjunction with the Hamilton high resolution (R = 60 000) echelle spectro- ...a radial velocity precision of ...
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The GALAH survey: accurate radial velocities and library of observed stellar template spectra
... add radial velocities for more spectra in the future, which will include new observations but also hot and cool stars, for which no Cannon-derived values of stellar parameters are available at this ...
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Radial velocities of early-type stars in the Perseus OB2 association
... Z99), radial velocities (mostly this work), and photometry ...from radial velocity data ...literature radial ve- ...and radial velocity membership ...as radial velocity ...
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Analysis of combined radial velocities and activity of BD+20 1790: evidence supporting the existence of a planetary companion
... span 55 days between December 2009 to February 2010. They carried out two campaigns (of 21 and 8 days respectively); find- ing RV amplitudes significantly di ff erent from those reported in Paper I, up to 230 m s −1 ...
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High precision radial velocities in the near-infrared domain: Status and prospects
... of radial velocity (RV) and transit surveys) and exotic systems? What is their dynamical evolution? What are the properties of exoplanets (orbits, masses and atmospheric properties)? What are the frequencies and ...
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Mass constraints of the WASP-47 planetary system from radial velocities
... WASP-47 is the fi rst star known to host a Jovian-size planet with P< 10 days and additional close-in planets — proof that not all HJs are isolated and strengthening the argument that HEM alone cannot produce the ...
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Observations of three pre cataclysmic variables from the Edinburgh Cape blue object survey
... We have determined the system parameters for the three pre- CVs EC 12477–1738, EC 13349–3237, and EC 14329–1625. The results of the spectroscopic decomposition are given in Table 3, the parameters gained from the ...
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Spectroscopic Analysis of Eclipsing Binary Stars
... the radial velocities of these eclipsing binaries using PHOEBE, we added the experimental data in arrange consists of two columns the first column represents the independent variables, in this cause is ...
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COMMISSIONS G1 AND G4 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS
... New photometry and radial velocities of the eclipsing binary GSC 3870–01172 are reported. Si- multaneous analysis of the data using the Direct Distance Estimation method yields the absolute parameters, as ...
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A super-Earth and two Neptunes orbiting the nearby Sun-like star 61 Virginis
... precision radial velocities to detect the reflex barycentric motion of the host ...precision radial velocity survey for the past 13 years at Keck and for the past 11 years by the Anglo-Australian ...
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Kinematic and observational studies of stellar streams
... Figure 1.3 presents the radial velocities of the Niichigan stars against galactic longitude, and shows clear evidence for the continuation of the Hyades and Sirius streams amongst the mo[r] ...
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On a Possible Relation between Globular Clusters and Stars of High Velocity
... computation by Lundmark, with the aid of seven unpublished radial velocities gives a- systematic motion of the clusters which nearly coincides with that of the stars of highest velocity.[r] ...
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Toward a renewed Galactic Cepheid distance scale from Gaia and optical interferometry
... its radial velocity curve measured using spectroscopy and (2) the change in angular diameter of the star estimated from its brightness and color, or measured using ...disk-integrated radial ...
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Vol 8, No 10 (2017)
... T he flow induced in a micropolar fluid by stretchable disk is investigated assuming that the fluid is a micropolar over a stretchable disk and the disk is subjected to an external transversse magnetic fluid under the ...
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GJ 832c: a super-earth in the habitable zone
... precise radial velocities. In recent years, however, several radial velocity surveys have begun to take advantage of stellar evolution by observing such higher- mass stars once they have evolved off ...
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GAIA: Composition, formation and evolution of the Galaxy
... of radial velocities with GAIA: (i) astrometric measure- ments supply only two components of the space motion of the target stars: the third component, radial velocity, is directed along the line of ...
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Photographic, spectrographic and photometric studies of southern galaxies
... De Vaucouleurs 83 , from a study of the distribution, radial velocities and magnitudes of galaxies of magnitudes 8 to 13, has postulated the existence of a Local Supercluster of galaxies[r] ...
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Ionized gas kinematics of galaxies in the CALIFA survey : I Velocity fields, kinematic parameters of the dominant component, and presence of kinematically distinct gaseous systems
... of radial velocities derived from Hα+[N ii ] spectral range allows the derivation of a veloc- ity gradient image for most of the galaxies in the analyzed sam- ...
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The pre cataclysmic variable, LTT 560
... 9. Radial velocities for both Hα ...the velocities were obtained by simultane- ous Gaussian fits to both Hα emission line ...the velocities obtained from the spectra where a two-Gaussian fit ...
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