Fast maximum entropy Doppler mapping

Abstract

A numerical code is described for constructing Doppler maps from the orbital variation of line profiles of (mass transfering) binaries. It uses an algorithm related to Richardson-Lucy iteration, and is much faster than the standard algorithm used for ME problems. The method has been tested on data of cataclysmic variables (including WZ Sge and SS Cyg), producing maps of up to 300X300 points. It includes an IDL-based set of routines for manipulating and plotting the input and output data, and can be downloaded from http://www.mpa-garching.mpg.de/~henk

8p, 3 postscript figures

Cited by in corpus (10)

• Instability of mass transfer in a planet-star system
• Variable polarisation and Doppler tomography of PSR J1023+0038 - Evidence for the magnetic propeller during flaring?
• A New Sub-Period-Minimum CV with Partial Hydrogen Depletion and Evidence of Spiral Disk Structure
• Activity on the M star of QS Vir
• Doppler tomography of the Double Periodic Variable HD 170582 at low and high stage
• The period-gap cataclysmic variable CzeV404 Her: A link between SW Sex and SU UMa systems
• Doppler Tomography and Photometry of the Cataclysmic Variable 1RXS J064434.5+334451
• The period bouncer system SDSS J105754.25+275947.5: first radial velocity study
• Synthetic Doppler maps of gaseous flows in IP Peg
• Investigations of a new eclipsing cataclysmic variable HBHA 4705-03