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Soft X-ray Spectra of V5116 Sgr

Soft X-ray Spectra of V5116 Sgr


Date: 13 March 2008
Satellite: XMM-Newton
Depicts: EPIC spectra of V5116 Sgr with fitted models
Copyright: G. Sala et al.

XMM-Newton EPIC MOS1 (black) and EPIC MOS2 (red) spectra of V5116 Sgr, plotted together with the best fitted white dwarf (WD) atmosphere models.

(A) Low-flux spectra fit with a carbon/oxygen WD atmosphere model
(B) Low-flux spectra fit with an oxygen/neon WD atmosphere model
(C) High-flux spectra fit with an oxygen/neon WD atmosphere model

Below each spectrum the deviation of the model from the spectrum is plotted. The results show that the carbon/oxygen atmosphere model does not fit the observations (A).

The oxygen/neon model fits both the low- and high-flux state of V5116 Sgr and the atmosphere temperature of the fitted model was found to be 6.1±0.1 × 105 K, both for the low- and high-flux state (B & C).

Last Update: 1 September 2019
4-Oct-2022 03:32 UT

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