Table 3: SEST observation parameters for M 83.
CO(J=1-0) CO(J=2-1)

Center of the CO map RA = $13^{\rm h}36^{\rm m}59\hbox{$.\!\!^{\rm s}$ }4$ (J2000)

Dec = $-29\hbox{$^\circ$ }52\hbox{$^\prime$ }05\hbox{$^{\prime\prime}$ }$ (J2000)

Rest frequency 115.271204 GHz 230.53799 GHz

Beam size 45 $^{\prime \prime }$ 23 $^{\prime \prime }$

Center velocity (LSR) 520 km s^-1 520 km s^-1

Average rms ( $T_{\rm mb}$ scale) 74 mK 90 mK

Channel separation $\leq$ 0.69 MHz 0.69 MHz

Number of channels $\geq$ 700 1000

Main beam efficiency ( $\eta_{\rm mb}$ ) 0.7 0.5

Aperture efficiency ( $\eta_{\rm A}$ ) 0.58 (27 Jy/K) 0.38 (41 Jy/K)

**Table 3:** SEST observation parameters for M 83.
	CO(J=1-0)	CO(J=2-1)
Center of the CO map	RA = $13^{\rm h}36^{\rm m}59\hbox{$.\!\!^{\rm s}$ }4$ (J2000)
	Dec = $-29\hbox{$^\circ$ }52\hbox{$^\prime$ }05\hbox{$^{\prime\prime}$ }$ (J2000)
Rest frequency	115.271204 GHz	230.53799 GHz
Beam size	45 $^{\prime \prime }$	23 $^{\prime \prime }$
Center velocity (LSR)	520 km s^-1	520 km s^-1
Average rms ( $T_{\rm mb}$ scale)	74 mK	90 mK
Channel separation	$\leq$ 0.69 MHz	0.69 MHz
Number of channels	$\geq$ 700	1000
Main beam efficiency ( $\eta_{\rm mb}$ )	0.7	0.5
Aperture efficiency ( $\eta_{\rm A}$ )	0.58 (27 Jy/K)	0.38 (41 Jy/K)

Source LaTeX | All tables | In the text