- ... BD +17 4708
- Tables 2, 3 and Appendix are only available in electronic form at http://www.aanda.org
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ... Redfield
- Hubble Fellow.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ...)
- Throughout this paper, we use the standard definitions
and
,
where NX is the number density of the element X. The surface gravity g in
is given in cgs units.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ... R. L. Kurucz
- Up-to-date models are available at http://kurucz.harvard.edu. The characteristics of the models are explained in Kurucz (1970, 1979).
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ... a MARCS model
- Downloaded from http://marcs.astro.uu.se
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ...)
- By "spectroscopic'' here we refer to
obtained from the excitation and/or ionization balance of iron lines.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ... IRAF
- IRAF is distributed by the National Optical Astronomy Observatories, which are operated by the Association of Universities for Research in Astronomy, Inc., under cooperative agreement with the National Science Foundation - http://iraf.noao.edu
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ...1973)
- http://verdi.as.utexas.edu/moog.html
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ... Database
- http://physics.nist.gov/PhysRefData/ASD/lines_form.html
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ...1995)
- http://nova.astro.umd.edu
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ... abundance
- Our line list and adopted atomic data result in
0.08, with no significant difference between the Fe I and Fe II abundances, although not all the lines could be used in the solar spectrum due to saturation. Details will be given in Ramírez et al. (2006).
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ... 0.09
- Unless otherwise noted, all the error bars for the abundances are 1-
errors.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
- ...2004b)
- Allende Prieto et al. used both 1D and 3D model atmospheres in their study. We remind the reader that our work is restricted to 1D Kurucz models.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.