Delta Scorpii
Campaign 2011
How to take and reduce spectra
How to measure radial velocity
List of recommended comparison stars and radial velocity standard stars
Spectra of comparison stars with identified lines
Recent
spectroscopic results for Delta Sco 
Predictions for spectral line profiles at periastron time
Preliminary
radial velocity curve for 2010-2011
Last updated: 10-Jun-2011