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Table · dataset · 2005

u(bj)r & BV photometry of blue HB stars

Listed in IVOA Registry (Virtual Observatory)

This is the second in a series of papers presenting a new calculation of the mass of the Galaxy based on radial velocities and distances for a sample of faint 16<B<21.3 field blue horizontal-branch (BHB) stars.

Description

We present accurate BV CCD photometry and spectra for 142 candidate A-type stars selected from ubjr photometry of UK Schmidt telescope plates in six high-Galactic-latitude fields. Classification of these candidates produces a sample of 60 BHB stars at distances of 11-52kpc from the Sun (mean 28kpc), with heliocentric line-of-sight velocities accurate to 15km/s, and distance errors <10 per cent.

We provide a summary table listing coordinates and velocities of these stars.

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Documentation and papers

Catalogue records · 2

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Astronomical sciences 72% · Tabular 65%
Provenance · 1 source records, 10 field assertions
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concepts[modality].local:modality:tabularenrichment · IVOA Registrykeyword-concept-rules@1.0.0title+description (65%)
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