Computer Science
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ycat..35319165p&link_type=abstract
VizieR On-line Data Catalog: J/A+A/531/A165. Originally published in: 2011A&A...531A.165P
Computer Science
Stars: Atmospheres, Atlases, Effective Temperatures, Abundances: [Fe/H]
Scientific paper
MILES spectral interpolator
This FITS file contains the coefficients of the interpolator, which allows one to compute an interpolated spectrum, giving an effective temperature, log of surface gravity and metallicity (Teff, logg, and [Fe/H]).
The file consists of three extensions containing the three temperature regimes described in the paper. Extension Teff range 0 warm 4000-9000K 1 hot >7000K 2 cool <4550K The three functions are linearly interpolated in the Teff overlapping regions.
Each extension contains a 2D image-type array, whose first axis is the wavelength described by a WCS (Air wavelength, starting at 3536Å, step=0.9Å). The second axis contains the coefficients of the polynomial development as described in the paper (there is an undocumented normalization of the variables). This FITS files can be used by the ULySS package (see this package for an illustration of the usage of this file).
(4 data files).
I.
Koleva Mina
Prugniel Philippe
Vauglin
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