Catalog of FHB stars aligned with HVCs (Thom+, 2005)

Details Catalog of FHB stars aligned with HVCs (Thom+, 2005) Catalog of FHB stars aligned with HVCs (Thom+, 2005)

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..21610147t&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/161/147. Originally published in: 2005ApJS..161..147T

Physics

Stars: Horizontal Branch, Molecular Clouds, Interstellar Medium

Scientific paper

We present a catalog of 430 field horizontal branch (FHB) stars, selected from the Hamburg/ESO Survey (HES), which fortuitously align with high column density neutral hydrogen (HI) high-velocity cloud (HVC) gas. These stars are ideal candidates for absorption-line studies of HVCs, attempts at which have been made for almost 40 years with little success. A parent sample of 8321 HES FHB stars (Christlieb et al., 2005, Cat. ) was used to extract HI spectra along each line of sight, using the HI Parkes All-Sky Survey (Putman et al., 2002, Cat. ). All lines of sight aligned with high-velocity HI emission with peak brightness temperatures greater than 120mK were examined. The HI spectra of these 430 probes were visually screened and cross-referenced with several HVC catalogs.
(1 data file).

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