Analyzing X-ray pulsar profiles

Geometry and beam pattern of centaurus X-3

U. Kraus, S. Blum, J. Schulte, H. Ruder, Peter Istvan Meszaros

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We present an analysis of the energy-dependent asymmetric pulse profile of the X-ray pulsar Cen X-3. We show that the data are compatible with the assumption that the asymmetry is caused by a distorted magnetic dipole field. Based on this assumption, it is possible to decompose the pulse profile into the contributions of the two emission regions at the magnetic poles. The results of the decomposition indicate that Cen X-3 has two equal emission regions which are displaced from antipodal positions by approximately 10° and have a pencil plus fan beam pattern.

Original languageEnglish (US)
Pages (from-to)794-805
Number of pages12
JournalAstrophysical Journal
Volume467
Issue number2 PART I
DOIs
StatePublished - Jan 1 1996

Fingerprint

pulsars
geometry
magnetic poles
profiles
pulses
fans
magnetic dipoles
asymmetry
x rays
decomposition
energy
analysis

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Kraus, U., Blum, S., Schulte, J., Ruder, H., & Meszaros, P. I. (1996). Analyzing X-ray pulsar profiles: Geometry and beam pattern of centaurus X-3. Astrophysical Journal, 467(2 PART I), 794-805. https://doi.org/10.1086/177653
Kraus, U. ; Blum, S. ; Schulte, J. ; Ruder, H. ; Meszaros, Peter Istvan. / Analyzing X-ray pulsar profiles : Geometry and beam pattern of centaurus X-3. In: Astrophysical Journal. 1996 ; Vol. 467, No. 2 PART I. pp. 794-805.
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Kraus, U, Blum, S, Schulte, J, Ruder, H & Meszaros, PI 1996, 'Analyzing X-ray pulsar profiles: Geometry and beam pattern of centaurus X-3', Astrophysical Journal, vol. 467, no. 2 PART I, pp. 794-805. https://doi.org/10.1086/177653

Analyzing X-ray pulsar profiles : Geometry and beam pattern of centaurus X-3. / Kraus, U.; Blum, S.; Schulte, J.; Ruder, H.; Meszaros, Peter Istvan.

In: Astrophysical Journal, Vol. 467, No. 2 PART I, 01.01.1996, p. 794-805.

Research output: Contribution to journalArticle

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Kraus U, Blum S, Schulte J, Ruder H, Meszaros PI. Analyzing X-ray pulsar profiles: Geometry and beam pattern of centaurus X-3. Astrophysical Journal. 1996 Jan 1;467(2 PART I):794-805. https://doi.org/10.1086/177653