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arXiv:astro-ph/0412447 (astro-ph)
[Submitted on 16 Dec 2004]

Title:High Resolution X-ray Spectroscopy of SN 1006

Authors:Jacco Vink
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Abstract: I discuss the high resolution XMM-Newton Reflection Grating Spectrometer (RGS) spectrum of SN1006. SN1006 is one of the best examples of a supernova remnant that is far out of ionization equilibrium. Moreover, optical, UV and X-ray data indicate that it is also out of temperature equilibrium. I discuss the X-ray evidence for this.
In addition I discuss the lower resolution RGS spectrum of the eastern rim of SN 1006. Despite the lower resolution, the spectrum contains significant evidence for an asymmetric expansion velocity. Two likely solutions fit the O VII triplet. One with no significant thermal broadening and a shell velocity of \~6500 km/s, and one with significant broadening and a shell velocity of ~9500 km/s. The first solution seems the most plausible, as it is consistent with radio expansion measurements, which suggest a decelerated shell.
Comments: 11 pages, 8 figures (14 ps files including color figures). LaTeX format, uses this http URL, this http URL, and this http URL; to appear in the proceedings of X-ray Diagnostics for Astrophysical Plasmas: Theory, Experiment, and Observation, ed. R. K. Smith (Melville: AIP)
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0412447
  (or arXiv:astro-ph/0412447v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0412447
Related DOI: https://doi.org/10.1063/1.1960935

Submission history

From: Jacco Vink [view email]
[v1] Thu, 16 Dec 2004 22:20:31 UTC (341 KB)
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