Simultaneous multi-frequency single pulse observations of pulsars

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Table 3

Modulation index and drift parameters for pulsars with simultaneous multi-frequency observations.

Pulsar	Period	Single pulse	f _obs	m	NF	P ₂	P ₃
	(s)	S / N	(MHz)		(%)	(°)	(P₀)

B1237+25	1.382	1.7	325	1.1 ± 0.2	7 ± 3		2.8 ± 0.8
							2.8 ± 0.2
							28 ± 8
		5.0	610	0.57 ± 0.06	4 ± 1		2.8 ± 0.1
							2.9 ± 0.2
							29 ± 8

B1508+55	0.740	0.4	325	1.3 ± 0.1
		3.5	610	0.75 ± 0.06	7 ± 2
		0.1	1308

B1540−06	0.709	2	325	1.0 ± 0.1	2 ± 1		3.0 ± 0.2
		1.4	610	0.72 ± 0.06	4 ± 2		3.0 ± 0.1

B1718−32	0.477	0.06	325	–
		1.4	610	0.69 ± 0.04	1 ± 1		22 ± 3
		0.1	1308	–

B1844−04	0.598	1.7	610	0.7 ± 0.3	3 ± 1		11 ± 2
		0.1	325		–

B1845−19	4.308	0.3	325	1.7 ± 0.6	27 ± 6
		3.6	610	1.2 ± 0.3	19 ± 4
		0.1	1308	–

B2016+28	0.558	4	325	1 ± 0.5	1 ± 2
		9	610	0.7 ± 0.3	2 ± 2
		1.5	1308	0.6 ± 0.2	1 ± 3		21 ± 4

B2043−04	1.547	1.4	325	1.1 ± 0.2			2.7 ± 0.1
		2	610	0.9 ± 0.1			2.7 ± 0.1
		0.2	1308

B2045−16	1.961	1.6	325	1.1 ± 0.2	14 ± 3		3.2 ± 0.2
							3.5 ± 0.5
		2.8	610	1.2 ± 0.2	17 ± 6		3.2 ± 0.2
							3.5 ± 0.6
		0.9	1308	1.2 ± 0.2	22 ± 5		3.3 ± 0.3
							3.4 ± 0.5

Notes. Pulsar name is given in the first column followed by corresponding period, single pulse S/N, observation frequency, minimum modulation index, nulling fraction, and P₂ and P₃.

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