Investigating the chemical link between H2CO and CH3OH within the central molecular zone of NGC 253

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Table 3.

Eight selected NGC 253 GMC positions described in Sect. 3.

GMC	RA(ICRS)	Dec.(ICRS)
	(00^h 47^m)	(−25° 17′)
GMC 1a	31 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 9344	28 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 822
GMC 2b	32 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 3449	18 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 886
GMC 3	32 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 8056	21 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 552
GMC 4	32 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 9736	19 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 968
GMC 6	33 $\overset{s}{.}$ ${{\overset{\text{ s}}{.}}}$ 3312	15 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 756
GMC 7	33 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 6432	13 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 272
GMC 8a	33 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 9443	10 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 888
GMC 9a	34 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 1287	12 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 040

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