Soft gamma-ray sources detected by INTEGRAL | Astronomy & Astrophysics (A&A)

Free Access

Table 4:

Our measurements of the Crab flux with SPI and ISGRI assuming the spectral shape given in Table 2 for energy redistribution.
Instrument	Crab Nebula Flux [10^-3 cm^-2 s^-1]
	25-50 keV	50-100 keV	100-200 keV	200-600 keV	600-1000 keV
SPI	156.5 $\pm$ 0.4	72.18 $\pm$ 0.15	32.14 $\pm$ 0.12	17.81 $\pm$ 0.27	3.47 $\pm$ 0.15
ISGRI	140.2 $\pm$ 0.4	64.38 $\pm$ 0.16	27.46 $\pm$ 0.09	13.47 $\pm$ 0.25	-
Ratio SPI/ISGRI	1.116 $\pm$ 0.004	1.121 $\pm$ 0.004	1.170 $\pm$ 0.006	1.322 $\pm$ 0.032	-

Source LaTeX | All tables | In the text

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.