Applying Zeeman Doppler imaging to solar spectra

Details Applying Zeeman Doppler imaging to solar spectra Applying Zeeman Doppler imaging to solar spectra

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004an....325..245h&link_type=abstract

Astronomische Nachrichten, Vol.325, Issue 3, p.245-245

Astronomy and Astrophysics

Astronomy

2

Scientific paper

A new generation of spectro-polarimeters with high throughput (e.g. CFHT/ESPADONS and LBT/PEPSI) is becoming available. This opportunity can be exploited using Zeeman Doppler imaging (ZDI), a technique that inverts time-series of Stokes V spectra to map stellar surface magnetic fields (Semel 1989). ZDI is assisted by ``Least squares deconvolution'' (LSD), which sums up the signal from 1000's of photospheric lines to produce a mean deconvolved profile with higher S:N (Donati & Collier Cameron 1997).

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