X-ray follow-ups of XSS J12270-4859: a low-mass X-ray binary with gamma-ray Fermi-LAT association

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Volume 550 (February 2013)

A&A, 550 (2013) A89

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Table 1

Summary of the observations of XSS J1227.

Telescope	Instrument	Date	UT (start)	Exposure time (s)	Net count rate (countss^-1)
Prog. ID

XMM-Newton⁴	EPIC-pn	2011-01-01	07:06	30 045	3.71 ± 0.09
65678	EPIC-MOS		06:47	31 022	1.09 ± 0.01
	OM-U		06:56	2699	5.19 ± 0.04
			07:46	2700
			09:07	2700
			09:57	2699
			10:48	2700
			11:38	2499
			12:25	2499
			13:12	2499
			13:59	2498
			14:46	2500

RXTE⁵	PCA	2011-01-03	00:27	2013	1.72 ± 0.06
96309		2011-01-10	14:11	2000	1.83 ± 0.06
		2011-01-16	17:38	1917	1.94 ± 0.05
		2011-01-23	12:37	2082	2.21 ± 0.07
		2011-01-31	13:26	1919	2.03 ± 0.07
		2011-02-07	13:38	2052	0.96 ± 0.06
		2011-02-14	15:05	1947	1.84 ± 0.06
		2011-02-21	17:49	1836	0.97 ± 0.06
		2011-02-28	12:51	2476	1.59 ± 0.06
		2011-03-07	10:58	1977	2.44 ± 0.07
		2011-03-14	05:59	2043	2.05 ± 0.07
		2011-03-21	12:32	1962	0.89 ± 0.06
		2011-03-28	21:22	1874	0.56 ± 0.06
		2011-04-03	18:31	1794	1.07 ± 0.06
		2011-04-13	09:03	1919	1.73 ± 0.06
		2011-04-18	14:18	1770	2.25 ± 0.07
		2011-04-25	06:12	1962	1.90 ± 0.06
		2011-05-03	19:58	1586	1.05 ± 0.08
		2011-05-10	21:05	1922	1.82 ± 0.07
		2011-05-16	13:17	1909	1.03 ± 0.06
		2011-05-23	17:37	2010	1.63 ± 0.06
		2011-05-30	15:49	2034	0.91 ± 0.06
		2011-06-06	06:14	1742	2.06 ± 0.07
		2011-06-13	02:34	1807	1.09 ± 0.06
		2011-06-19	04:14	2043	2.27 ± 0.07
		2011-06-27	17:23	2099	1.83 ± 0.07
		2011-07-04	14:18	1824	1.34 ± 0.06
		2011-07-11	10:34	1789	1.06 ± 0.07
		2011-07-18	13:33	1965	1.51 ± 0.07
		2011-07-25	11:39	1716	1.51 ± 0.06
		2011-08-01	03:25	1947	2.06 ± 0.07
		2011-08-08	06:32	2102	1.94 ± 0.06
		2011-08-15	06:00	2004	0.84 ± 0.06
		2011-08-22	08:38	1756	0.90 ± 0.07
		2011-08-29	17:41	2132	1.61 ± 0.06
		2011-09-19	21:22	1859	1.10 ± 0.06
		2011-09-27	04:51	1656	0.83 ± 0.06
		2011-10-08	12:01	1731	1.03 ± 0.07
		2011-10-21	20:53	2025	1.03 ± 0.06
		2011-11-10	18:09	1933	2.24 ± 0.07
		2011-11-20	14:50	1860	0.80 ± 0.06
		2011-11-30	18:27	2094	0.84 ± 0.07
		2011-12-10	00:03	1787	0.84 ± 0.06
		2011-12-23	02:12	1947	1.04 ± 0.06
Swift⁶	XRT	2011-03-23	04:35	672	0.17 ± 0.09
41135		2011-03-23	06:11	732	0.26 ± 0.11
		2011-03-23	07:47	701	0.26 ± 0.09
		2011-03-23	09:24	729	0.28 ± 0.12
		2011-03-23	11:00	729	0.35 ± 0.12
		2011-03-23	12:36	852	0.27 ± 0.09
		2011-03-23	14:13	792	0.30 ± 0.09
		2011-05-10	16:32	634	0.67 ± 0.15
		2011-09-15	07:55	854	0.32 ± 0.13
		2011-09-18	09:48	809	0.07 ± 0.06
		2011-09-19	04:59	1483	0.39 ± 0.15
		2011-09-19	06:34	859	0.17 ± 0.09
		2011-09-19	08:12	802	0.22 ± 0.10
		2011-09-19	22:39	392	0.34 ± 0.14
		2011-09-21	02:02	654	0.31 ± 0.13
		2011-09-21	10:11	242	0.15 ± 0.08
		2011-09-22	21:16	557	0.28 ± 0.12
		2011-09-25	02:11	1293	0.39 ± 0.15
		2011-09-26	02:20	557	0.24 ± 0.09

AGILE⁷	GRID	2007-10-01	2009-10-31	5.3 × 10⁶
70		2009-11-15	2011-05-15	3.8 × 10⁶

Notes.

⁽⁴⁾

Total EPIC count rates in the 0.2−10 keV range

⁽⁵⁾

Total RXTE/PCA count rates in the 2−9 keV range.

⁽⁶⁾

Total Swift/XRT count rates in the 0.3−10 keV range.

⁽⁷⁾

AGILE/GRID Pointing and spinning mode data: the start and end time and total exposure are reported.

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