Wide-band simultaneous observations of pulsars: disentangling dispersion measure and profile variations

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Table 2

Pulsar characteristics.

	T_int	DM	P	LOFAR	N_bin^a
	(s)	(pc cm^-3)	(s)	Obs ID

B0329+54	7200	26.833	0.714536	L2009_16116	256
B0809+74	5400	6.116	1.292209	L2009_16102	512
B1133+16	10 800	4.864	1.187799	L2009_16100	512
B1919+21	5400	12.455	1.337360	L2009_16104	512

Notes. Given are the integration time (T_int), catalogue value for dispersion measure (DM, Hobbs et al. 2004), the pulse period (P, determined from regular timing observations from the Lovell telescope at Jodrell Bank Observatory), the LOFAR observation ID and the number of bins across the pulse profile (N_bin for each of the pulsars observed).

^(a)

Although the pulsars in our sample were observed with higher time resolution, the data were downsampled so that each observation had the same number of bins in the pulse profile, so that the data from different frequencies could be compared directly.

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