Tidal interaction vs. ram pressure stripping effects as seen in X-rays - Hot gas in group and cluster galaxies

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Table 2

Parameters of X-ray observations of studied galaxies.

NGC	Obs. ID	Obs. date	Exp. time^a	pn filter	pn obs.	MOS filter	MOS obs.	nH^c
					mode^b		mode^b

2276	0022340201	2001-03-16	54.8 (48.2)	Thin	FF	Thin	FF	5.69
4254	0147610101	2003-06-29	43.2 (12.8)	Thin	EF	Thin	FF	2.81
4569	0200650101	2004-12-13/14	66 (49)	Thin	EF	Medium	FF	2.82

Notes.

^(a)

Total time in ksec with clean time for pn camera in parentheses.

^(b)

Observing mode: FF – Full frame, EF – Extended full frame.

^(c)

Column density in [10²⁰ cm^-2] weighted average value after LAB Survey of Galactic H i, see Kalberla et al. (2005).

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