XMM-Newton investigations of the Lambda Orionis star-forming region (XILO) - I. The young cluster Collinder 69

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Table 1

Observing log for the XMM-Newton observations of Collinder 69.

Field	ObsID	α ₂₀₀₀^a	δ ₂₀₀₀^a	PA^a	———–Filter———–			UT^b	Exp.^c
		[hh:mm:ss.ss]	[dd:mm:ss.s]	[°]	PN	MOS 1	MOS 2		[ks]

Col 69 W	0300100201	05 33 46.29	+09 47 48.5	90.72	Medium	Medium	Medium	2005-10-01 03:48:05	28
Col 69 E	0405210601	05 35 15.42	+09 56 19.2	83.86	Thin	Medium	Medium	2006-08-31 02:24:17	37

Notes.

Mean pointing position and spacecraft position angle.

Start of EPIC/MOS exposure, EPIC/PN observation starts about 30 min later.

Nominal exposure time; the useful exposure time has been reduced because of high background, especially for C 69 W.

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