GASS: the Parkes Galactic all-sky survey - II. Stray-radiation correction and second data release

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Table 1:

Survey parameters for major single dish surveys of the Galactic 21-cm line emission. GALFA-HI and EBHIS are still in progress.
Parameter	LAB	HIPASS-HVC	GASS	GALFA-HI	EBHIS
Sky coverage	full sky	$\delta \la 2\hbox{$^\circ$ }$	$\delta \la 1\hbox{$^\circ$ }$	$-1\hbox{$^\circ$ }\la \delta \la 38\hbox{$^\circ$ }$	$\delta \ga -5\hbox{$^\circ$ }$
Average beam FWHM	36 $^\prime$	14.4 $^\prime$	14.4 $^\prime$	3.4 $^\prime$	9.5 $^\prime$
LSR velocity range	-450 < v < +400	-700 < v < +1000	-468< v < +468	-750 < v < +750	-1000 < v < +1000
Channel width	1.27 km s^-1	26.4 km s^-1	1.0 km s^-1	0.18 km s^-1	1.25 km s^-1
$1 \sigma T_{\rm B}$ noise	90 mK	24 mK	57 mK	$\la$ 100 mK	$\la$ 90 mK

Source LaTeX | All tables | In the text

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