Molecular and atomic gas in the Local Group galaxy M 33

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Table 2

Comparison of past survey characteristics.

CO Survey	Telescope	Line	Angular	Spectral	Area	R _max	Sensitivity
			resolution	resolution			per channel
			(″)	(km s^-1)	(arcmin²)	(kpc)	(mK)

This paper	IRAM 30 m	CO(2–1)	12	2.6	643	8	15–30
Gardan et al. (2007)	IRAM 30 m	CO(2–1)	15	2.6	253	7	15–30
Rosolowsky et al. (2007)	BIMA+NRO+FCRAO	CO(1–0)	20	2.6	170	2	60
Rosolowsky et al. (2007)	BIMA+FCRAO	CO(1–0)	13	2	900	5.5	240
Heyer et al. (2004)	FCRAO	CO(1–0)	45	1	900	5.5	53
Engargiola et al. (2003)	BIMA	CO(1–0)	13	2	900	5.5	240

HI Survey	Telescope	Angular	Spectral	R _max	Sensitivity	Sensitivity
		resolution	resolution		per channel	per channel
		(″)	(km s^-1)	(kpc)	(mJy/beam)	(K)

This paper	VLA BCD	5–25^a	1.3	9	1.1–2.8^a	24–2.75^a
Putman et al. (2009)	Arecibo	204	5.15	22	55	0.3
Corbelli & Schneider (1997)	Arecibo	270^b	4.1	20	...^c	...^c
Deul & van der Hulst (1987)	WRST+Effelsberg 100m	12 × 24	8.2	9	...	1.2

Notes.

^(a)

See Table 3 for details.

^(b)

Undersampled hexagonal grid, the value corresponds to the grid spacing.

^(c)

The authors give an integrated intensity sensitivity value of 1–2 Jy km s^-1 or 5.5–11 K km s^-1.

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