I mage R eduction and A nalysis F acility through the examples

Image Reduction and Analysis Facility

through the examples

V SAR, Belgrade 2011

- The need for astrophysical software

- Linux !

V SAR, Belgrade 2011

- IRAF: http://iraf.noao.edu/

- http://poincare.matf.bg.ac.rs/~donic/vezbe.html

V SAR, Belgrade 2011

- Photometry & Spectroscopy

- Reduction & Scientific analysis

- The reduction of Echelle Spectra (just briefly)

- Scientific analysis (spectral classification,…)

V SAR, Belgrade 2011

The Echelle Spectrum

V SAR, Belgrade 2011

The Echelle Spectrum

V SAR, Belgrade 2011

- The reduction:

- subtract the over-scan from all images- subtract the bias- trim the spectra- divide the spectra by the flat-field spectra- extract one-dimensional spectra- wavelength and flux calibrate the spectra

V SAR, Belgrade 2011

V SAR, Belgrade 2011

V SAR, Belgrade 2011

Telluric and Helliocentric correction

V SAR, Belgrade 2011

V SAR, Belgrade 2011

Analysis of the scientific data products