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Table 1

Details of the XMM-Newton EPIC-pn observations.

ObsId Obs. start date Agea Filter Total/filtered exp. timeb Flux (0.5–2 keV) Flux (3–10 keV) c
(days) (ks) erg s-1 cm (%)

0406840301 2007 Jan. 17 7267 Medium 106.9/81.9
0506220101 2008 Jan. 11 7626 Medium 109.4/91.0 31.1
0556350101 2009 Jan. 30 8013 Medium 100.0/84.0 14.3
0601200101 2009 Dec. 12 8328 Medium 89.9/89.8 31.2
0650420101 2010 Dec. 12 8693 Medium 64.0/61.7 11.3
0671080101 2011 Dec. 02 9048 Medium 80.6/70.5 10.5

Notes. Fluxes are given with 3σ errors (99.73% C.L.).

(a)

Number of days since the explosion of SN 1987A.

(b)

Total and useful (filtered) exposure times, after removal of high background intervals.

(c)

Increase rate in % since previous measurement, normalised to one year.

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