INTEGRAL observations of Scorpius X-1: evidence for Comptonization up to 200 keV

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Table 2

Modern observations of Sco X-1.

	[HEXTE/RXTE]		[SPI/INTEGRAL]	[IBIS/INTEGRAL]

	2001a^a	2001b^b	2003^c	2006a^d	2006b^e	2010^f	This study

Exposure time^g	1.04	2.03	9.58	2.66	3.72	63.0	4.12
^h	7.82 ± 0.68	7.82 ± 62					4.71 ± 0.28
ⁱ			3.47 ± 0.03	5.8^m	6.1 ± 0.2	4.46 ± 0.15	4.69 ± 0.28
^j					2.6 ± 1.8		2.74 ± 0.34
^k				2.2^m			2.48 ± 0.29
^l	10.7 ± 1.6	10.0 ± 1.2			6.27 ± 0.35		5.57 ± 0.47
averaged value of Γ	0.98 ± 0.60	0.84 ± 0.41		3.85	3.31		3.03 ± 0.20

References.

^(a)

D’Amico et al. (2001a).

^(b)

D’Amico et al. (2001c).

^(c)

Paizis et al. (2003).

^(d)

Paizis et al. (2006).

^(e)

Di Salvo et al. (2006).

^(f)

Bird et al. (2010).

Notes.

^(g)

In 10⁵ s.

^(h)

Flux of the thermal component, 20–50 keV, in units of 10^-9 erg cm^-2 s^-1.

⁽ⁱ⁾

20 to 40 keV flux, in units of 10^-9 erg cm^-2 s^-1.

^(j)

40 to 200 keV flux, in units of 10^-10 erg cm^-2 s^-1.

^(k)

40 to 150 keV flux, in units of 10^-10 erg cm^-2 s^-1.

^(l)

Flux of the powerlaw component, 20 to 200 keV, in units of 10^-9 erg cm^-2 s^-1.

^(m)

Quoted with no errors in the original reference.

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