Foregrounds for observations of the cosmological 21 cm line - I. First Westerbork measurements of Galactic emission at 150 MHz in a low latitude field

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Table 1:

Summary of the observational setup.
Coordinates of the field
centre (J2000.0)	$\alpha = 3^{\rm h}10^{\rm m}$ , $\delta = 65^\circ 30'$
Number of spectral bands	8
Central frequency of each band (MHz)	139.3, 141.5, 143.7, 145.9,
	148.1, 150.3, 152.5, 154.7
Width of each band (MHz)	2.5
Frequency resolution (kHz)	4.9 (9.8 after tapering)
Time resolution (sec)	10
Angular resolution	$2'\times 2' \rm {cosec}(\delta) \simeq 2' \times 2.2'$
Conversion factor	1 mJy beam ^-1 = 3.98 K

Source LaTeX | All tables | In the text

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