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Fast maximum entropy Doppler mapping

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arxiv astro-ph/9806141 v1 pith:OSJ7TQ4U submitted 1998-06-10 astro-ph

H.C. Spruit This is my paper · ORCID
classification astro-ph
keywords algorithmdatadopplermapsbeenbinariescataclysmiccode
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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

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 14 citations worldwide. Full citation record

  1. V Sge: Supersoft Source or Exotic Hot Binary? I. An X-Shooter campaign in the high state

    astro-ph.SR 2025-07 conditional novelty 7.0 of 10

    V Sge's stationary double-peaked line cores, mass limit below 2.1 solar masses, and re-analysed ROSAT data together favour a super-soft X-ray source interpretation for this Galactic binary.

  2. Fast optical spectroscopic observations of PSR J1023+0038 over one orbital period

    astro-ph.HE 2026-07 accept novelty 6.0 of 10

    Full-orbit minute-cadence optical spectroscopy of PSR J1023+0038 reveals short-timescale line variability and asymmetric Doppler maps consistent with outflows.

  3. MASTER OT J072007.30+451611.6: A Polar with Strong Optical Variability and Suppressed He II Emission

    astro-ph.SR 2025-07 conditional novelty 5.0 of 10

    J0720 is confirmed as a magnetic cataclysmic variable (polar) with a 1.5-hour orbit, stream-fed accretion without a disk, and unusually weak He II emission relative to H beta.

  4. Hot donors in cataclysmic variables: The case of EI Psc

    astro-ph.SR 2025-05 conditional novelty 5.0 of 10

    EI Psc is a 64-minute cataclysmic variable whose warm donor star and 0.70-solar-mass white dwarf point to a 1.1-1.5 solar-mass donor that lost most of its mass.

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