BeppoSAX/PDS Observation of Vela X-1

1997/09/09 by M. Orlandini, D. Dal Fiume, Orlandini, M. +7
Biochemistry, Genetics and Molecular Biology · Physics and Astronomy · #Astrophysics (astro-ph) #FOS: Physical sciences #Gamma-ray bursts and supernovae #Geomagnetism and Paleomagnetism Studies #Nuclear Physics and Applications #astro-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/9709068

4 pages, 2 figures. It uses camera.sty (included). To appear in the Proceedings of "The Cosmic Physics of 2000"

arxiv created 1997/09/09 · openalex publication_date 1997/09/09 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Vela X-1 has been observed by the Italian/Dutch X-ray satellite BeppoSAX during its Science Verification Phase. During the ~ 50 ksec observation (orbital phases 0.27-0.34) two different intensity state are present, situation very common in this source. We report results from the pulse phase averaged and pulse phase resolved spectroscopy from the high-energy instrument PDS aboard BeppoSAX.

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