STools: IDL Tools for Spectroscopic Analysis

donde

Source - Header - User Guide

Finding the coordinates for every dimension of matrix that correspond to the 'global' coordinate w, as retrieved from 'where'.

dependencies: none

estimator_simple

Source - Header - User Guide

From a given vector a of measurements and a second vector p with relative probabilities for each measure, we build the probability distribution for the measured quantity. Then we output just three quantities the mean and the 2-sigma low and high errors.

dependencies: histograma

gaussianmia

Source - Header - User Guide

dependencies:

gconv

Source - Header - User Guide

Gaussian convolution

dependencies: none

get_amrv

Source - Header - User Guide

Using a grid from Bertelli's isochrones, we input observed Teff, gravity, and [Fe/H] [t= Teff, lg= alog10(g); cgs units] and we find out which values of a (age, m (mass), rad (radius) and vmag (absolute magnitude) are compatible for a star with the observed values.

dependencies: estimator_simple,donde

getchelle

Source - Header - User Guide

Reads an iraf-formatted (multispec) echelle spectrum in FITS

dependencies: peval.pro readfits.pro (and its own dependencies: astro library)

getew_xy

Source - Header - User Guide

Automatic determination of the EW of a spectral line by fitting Gaussian and Voigt profiles. The fits are forced to match the continuum at 1.0 and, in the case of a Voigt profile, the center of the line at is fixed to the position determined by the Gaussian fit.

dependencies: mideshift_xy.pro gaussianmia.pro

getphot_xy

Source - Header - User Guide

We derive synthetic photometry for the SDSS system (ugriz) ; from an input spectrum

dependencies: l2nu.pro trapz.pro tfm_unred.pro ( from astro lib)

histograma

Source - Header - User Guide

Calculates an histogram of the vector y.

dependencies: none

kmod

Source - Header - User Guide

Extracts and if necessary interpolates (linearly) a kurucz model from his grid. The routine is intended for stars cooler than 10000 K. The grid was ftp'ed from CCP7.

dependencies: rd_kmod.pro

l2nu

Source - Header - User Guide

dependencies: none

mideshift_xy

Source - Header - User Guide

Measuring the wavelength of the center of a line.

dependencies: none

mmod

Source - Header - User Guide

dependencies: rd_mmod.pro

peval

Source - Header - User Guide

Iterative evaluation of a Chebyshev or Legendre polynomial

dependencies: none

rd_kmod

Source - Header - User Guide

Extracts a Kurucz model from his theoretical grid. The 'old' grid was ftp'ed from CCP7@Armagh circa 1997. The 'new' (k2odfnew and ak2odfnew) grids were downloaded from Kurucz's web site in 2006.

dependencies: none

rd_mmod

Source - Header - User Guide

dependencies: none

trapz

Source - Header - User Guide

dependencies: none

xc

Source - Header - User Guide

Determination of the maximum of the cross-correlation function of two equal-length vectors by fitting a polynomial or a Gaussian

dependencies: none

Last update June 13, 2015

C. Allende Prieto