INTEGRAL All-sky survey: NGC 4258 (AGN)
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INTEGRAL IBIS/ISGRI light curveHistogram of the Flux Distribution
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NGC 4258
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NGC 4258
Plot description: Histogram of the source flux averaged over s/c orbit (see lightcurve on the left). The flux bin [1,5] mCrab contains counts from range [-5,5] mCrab. The flux measurements with error >5 mCrab were dropped.
Plot description: The blue data points show source flux over one s/c orbit (3 days). The all time-averaged flux and corresponding 1σ errors are shown in red. The star symbol is shown when flux error is greater than 5 mCrab and detection significance is less than 3σ.
Please refer to this catalog as: Krivonos et al., 2007, A&A, 475, 775 [NASA ADS]
SourceRa
(J2000)
Dec
(J2000)
glonglat17-60 keV, Flux1,2,3
(mCrab)
Sign.Type4Notes5
NGC 4258184.74747.309 138.320 68.842 0.91 ± 0.18 5.06AGN LINER Sy1.9 z=0.001541; =M 106;
Flux on the all-time-averaged sky map (mCrab): 0.91 ± 0.18, shown above in red.Effective dead-time corrected exposure time (ks): 718
See also nominal (scheduled) time at the source position
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Last updated: May 27 2011