Free Access

Table 2

Fe K line properties.

Epoch E line σ-width Flux EW
(keV) (eV) (10-6 ph cm-2 s-1) (eV)

2008 Jan. 46 (<146) 174
2009 Jan. 125 (<433) 169
2009 Dec. 229 (<424) 432
2010 Dec. 105 (<227) 344
2011 Dec. 83 (<178) 238

Notes. Central energy, σ-width, total photon flux and equivalent width (EW) of the Gaussian used to characterise the Fe K feature in the spectra of SNR 1987A. We give 90% C. L. errors.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.