Radial velocities for the sample galaxies
Radial velocities in the globular cluster ω Centauri
... Our sample of 1966 stars contains 1634 stars without any neighbour disturbing the stellar image (class 0 stars of Paper ...sk sample, which consists of a “bright” and a “faint” subset, together covering ...
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Correcting for peculiar velocities of Type Ia supernovae in clusters of galaxies
... this sample, despite it being only 20% of all nearby cosmologically useful SNe Ia, in order to use a homogeneous dataset primarily from a blind SN Ia search to avoid any bias due to the survey ...the sample ...
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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
... 4.5. Substellar companions and pulsations The radial velocity variations on the level of a few m/s are in- teresting for oscillation studies. With the present observations we show that they are observable in data ...
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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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The Effects of Radial Migration on the Outskirts of Disc Galaxies
... between galaxies may drive stronger spirals, in the same manner that the cluster does in this ...that galaxies in clusters may take a long period (up to 5 Gyr) to fully terminate star formation after being ...
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Mass constraints of the WASP-47 planetary system from radial velocities
... WASP-47d and WASP-47e are examples of super-Earth- and Neptune-size planets, which are common around Sun-like stars (Howard et al. 2012; Fressin et al. 2013; Petigura et al. 2013; Burke et al. 2015 ). Only a handful of ...
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High precision radial velocities in the near-infrared domain: Status and prospects
... Although the sample of super Earths is still scarce, the observed properties show different trends with respect to the known giant planets. Unlike the giant planets, whose frequency scales as the square of the ...
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The GALAH survey: accurate radial velocities and library of observed stellar template spectra
... of radial velocities with a typical accuracy of ...that radial velocities from GALAH are an excellent match to the accuracy of velocity components along the sky plane derived by Gaia for the ...
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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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Precise radial velocities of giant stars, III. Spectroscopic stellar parameters ABSTRACT
... Schuler et al. (2005) and da Silva et al. (2006) argue that giant stars with companions may be metal poor, due to a stellar mass- companion relation instead of a metallicity-companion relation. Indeed, Fischer & ...
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Observational hints of radial migration in disc galaxies from CALIFA
... metallicity radial distri- butions, we compute linear fits in a similar way as we explained for the colour profiles (see ...last radial spectrum with a S /N > 20 or by the last radial spectrum ...
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Observational hints of radial migration in disc galaxies from CALIFA
... 3.1. Two-dimensional surface brightness distribution We perform a 2D photometric decomposition of the struc- tural components shaping our galaxy sample by applying GASP2D ( Méndez-Abreu et al. 2008 , 2014 ) to the ...
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Astronomy. Astrophysics. The star formation history of CALIFA galaxies: Radial structures
... in galaxies which are at di fferent distances, the 2D maps need to be expressed in a common ...some galaxies, the integrated im- age may contain masked regions at the position where the orig- inal cube ...
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The Super Eight Galaxies: Properties of a Sample of Very Bright Galaxies at 7 < z < 8
... eight galaxies selected for follow-up study here were previously identified in the BoRG survey, and were cho- sen as a result of their high-redshift candidacy and bright H- band ...Eight galaxies that were ...
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Metal Abundances, Radial Velocities, and Other Physical Characteristics for the RR Lyrae Stars in The Kepler Field
... φ 1 panels are analogous to O−C diagrams. Finally, the A 1 panel shows amplitude maxima around t = 200, 550, and 900 days, corresponding to an additional period around 1 yr; it is quite possible that this is an artifact ...
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The Spitzer Survey of Stellar Structure in Galaxies (S^4G): Stellar Masses, Sizes, and Radial Profiles for 2352 nearby Galaxies
... target galaxies like bright clumps or the ansae of bars are sometimes picked up by SExtractor, and need to be excluded from the masks by ...A sample mask is shown in Figure ...
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Radio properties of a complete sample of nearby groups of galaxies
... In Chapter 3 the detailed spectral analysis of the FR I radio source 3C 270, that rises from the nearby group-central elliptical galaxy NGC 4261, that is part of the CLoGS sample, is discussed. The radio source is ...
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Galaxy and Mass Assembly (GAMA): the red fraction and radial distribution of satellite galaxies
... satellite galaxies that surround isolated hosts within the redshift range ...isolated galaxies of which 1426 host a total of 2998 ...the radial distribution of satellite galaxies and determine ...
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The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies
... Both SAMI 227278 and SAMI 238412 have a monotonically increasing velocity profile an monotonically decreasing velocity dispersion profile (Appendix B); however, the KiDS images for both [r] ...
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