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Home All issues Volume 498 / No 2 (May I 2009) A&A, 498 2 (2009) L13-L16 Full HTML
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Table 1:

X-ray observations of CXOM31 J004237.3+411710.

Telescope/Instrument		 ObsID Exp. timea Start date Offsetb Count rate L0.2-1.0 c
    [ks] [UT] [d] [ct s-1] [erg s-1]

Chandra HRC-I		 8526 19.9 2007-11-07.64 5.89 <8.7   $\times~10^{-4}$ <4.0   $\times~10^{36}$
Chandra HRC-I 8527 20.0 2007-11-17.76 16.01 ( $17.4 \pm 1.1$)   $\times~10^{-3}$ ( $8.1 \pm 0.5$)   $\times~10^{37}$
Chandra HRC-I 8528 20.0 2007-11-28.79 27.04 ( $4.3 \pm 0.5$)   $\times~10^{-3}$ ( $2.0 \pm 0.2$)   $\times~10^{37}$
Chandra HRC-I 8529 18.9 2007-12-07.57 35.82 ( $4.7 \pm 0.5$)   $\times~10^{-3}$ ( $2.2 \pm 0.2$)   $\times~10^{37}$
Chandra HRC-I 8530 19.9 2007-12-17.49 45.29 ( $3.0 \pm 0.4$)   $\times~10^{-3}$ ( $1.4 \pm 0.2$)   $\times~10^{37}$
XMM-Newton EPIC PN 0505720201 22.2 2007-12-29.57 57.80 <8.7   $\times~10^{-4}$ <2.7  $\times~10^{35}$
XMM-Newton EPIC PN 0505720301 21.9 2008-01-08.29 67.53 <3.0   $\times~10^{-3}$ <5.4   $\times~10^{35}$
XMM-Newton EPIC PN 0505720401 18.1 2008-01-18.63 77.87 <2.2   $\times~10^{-3}$ <6.0   $\times~10^{35}$
XMM-Newton EPIC PN 0505720501 17.2 2008-01-27.94 87.17 <2.0   $\times~10^{-3}$ <1.3   $\times~10^{36}$
XMM-Newton EPIC PN 0505720601 17.3 2008-02-07.20 97.44 <4.3   $\times~10^{-3}$ <4.2   $\times~10^{35}$
Notes: a dead-time corrected; b time in days after the outburst of nova M31N 2007-11a in the optical (Pietsch et al. 2007a) on 2007 Nov. 2.28 UT (MJD = 54406.2); uncertainties are 0.45 days, according to Sect. 3; c X-ray luminosities and 3$\sigma$ upper limits (unabsorbed, 0.2-1.0 keV) estimated using a blackbody model with kT = 50 eV and $N_{\rm H}$ = 6.7   $\times~10^{20}$ cm-2 (see Sect. 2.2).

Source LaTeX | All tables | In the text

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