A Search for Stars of Very Low Metals Abundance. III. UBV Photometry of Metal-Weak Candidates
We present photoelectric UBV photometry for some 2600 metal-poor dwarf and giant candidates selected from the HK objective-prism/interference-filter survey of Beers and colleagues. These data provide the basis for our ultraviolet-excess selection of objects having [Fe/H] ≲ -2.0 for a spectroscopic investigation in which we have obtained ∼ 1-2 Å resolution spectra of some 1000 objects. The present material may also prove useful for investigations of the metal-poor dwarfs and giants more...[Show more]
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|Source:||Astrophysical Journal, The|
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