Chemical composition of halo and disk stars (Nissen+, 1997)

Details Chemical composition of halo and disk stars (Nissen+, 1997) Chemical composition of halo and disk stars (Nissen+, 1997)

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ycat..33260751n&link_type=abstract

VizieR On-line Data Catalog: J/A+A/326/751. Originally published in: 1997A&A...326..751N

Physics

Abundances, Stars: Population Ii, Photometry: Uvby: Beta

Scientific paper

Table A1 lists the Stromgren photometry together with color excesses, E(b-y), photometric metallicities, [Fe/H] , calculated from the calibrations of Schuster & Nissen (1989A&A...221...65S), and absolute magnitudes, M(V), and distances derived with the equations of Nissen & Schuster (1991A&A...251..457N) using the photometric metallicities. Table A2 contains coordinates, proper motions and radial velocities for the program stars as well as distances calculated from the calibrations Nissen & Schuster (1991A&A...251..457N) using the spectroscopic metallicities scaled to our photometric [Fe/H] system. Table A3 gives a list of the 209 spectral lines, which were analyzed, arranged element by element. The table contains the wavelength, the excitation potential of the lower level corresponding to the line, the gf-value, the enhancement factor of the classical van der Waals damping constant, the statistical weight of the upper level, and the equivalent widths measured for the two "standard" stars, HD 22879 and HD 76932. Table A4 contains the measured equivalent widths for all program stars. Table A5 gives abundance ratios and kinematical as well as orbital parameters for the program stars. First are given the data for the 16 disk stars, then follows the 14 halo stars.
(5 data files).

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