Interstellar Ca I absorption (Welty+, 2003)

Details Interstellar Ca I absorption (Welty+, 2003) Interstellar Ca I absorption (Welty+, 2003)

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..21470061w&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/147/61. Originally published in: 2003ApJS..147...61W

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Interstellar Medium, Spectroscopy

Scientific paper

We present high-resolution (FWHM~0.3-1.5km/s) spectra, obtained with the AAT UHRF, the McDonald Observatory 2.7m coude spectrograph, and/or the KPNO coude feed, of interstellar Ca I absorption toward 30 Galactic stars. Comparisons of the column densities of Ca I, Ca II, K I, and other species - for individual components identified in the line profiles and also when integrated over entire lines of sight - yield information on relative electron densities and depletions (dependent on assumptions regarding the ionization equilibrium).
(2 data files).

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