XMM-Newton observation of 4U 1820-30 - Broad band spectrum and the contribution of the cold interstellar medium

E. Costantini; C. Pinto; J. S. Kaastra; J. J. M. in’t Zand; M. J. Freyberg; L. Kuiper; M. Méndez; C. P. de Vries; L. B. F. M.  Waters

doi:10.1051/0004-6361/201117818

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Volume 539 (March 2012)

A&A, 539 (2012) A32

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Table 1

The multi-instrument observation log for 4U 1820-30.

Inst.	Orbit/obsid	Date	Net exp.	Rate¹
		(dd/mm/yy)	(ks)	(c/s)

XMM-pn	1706	02/04/09	39.8	20.9²
INTEGRAL-JEMX	790	03/04/09	0.61	28.8
INTEGRAL-ISGRI	789	31/03/09	42.4	15.5

XMM-RGS	1706	02/04/09	41.5	27.6
XMM-RGS	0336	09/10/01	34.7	33.1
Chandra-MEG	6633	13/08/06	25	125.1
Chandra-MEG	6634	20/10/06	25	172.8
Chandra-MEG	7032	05/11/06	46	146.2

Notes.

⁽¹⁾

Rates refers to the full band for each instrument.

⁽²⁾

Rate from selected pixels of the OoT events.

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