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Table · dataset · 2011

Radial velocities of 11 field RR Lyrae

Listed in IVOA Registry (Virtual Observatory)

We present new radial velocities (RVs), improved pulsation periods, and reference epochs of 11 field RR Lyrae ab-type variables: AS Vir, BS Aps, CD Vel, DT Hya, RV Oct, TY Gru, UV Oct, V1645 Sgr, WY Ant, XZ Aps, and Z Mic.

Description

This study is based on high-resolution spectra obtained with the echelle spectrograph of the 2.5m du Pont telescope at Las Campanas Observatory. We obtained ~200 spectra per star (i.e., a total of ~2300 spectra), distributed more or less uniformly throughout their pulsation cycles.

RV curves and photometric light curves phased to our new ephemerides are presented for all program stars.

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Catalogue records · 2

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Astronomical sciences 74%
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