G30.79 FIR 10: a gravitationally bound infalling high-mass star-forming clump

P. C. Cortes; R. Parra; J. R. Cortes; E. Hardy

doi:10.1051/0004-6361/200811137

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Volume 519 (September 2010)

A&A, 519 (2010) A35

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Table 1:

Line parameters.
Line	Transition	Frequency	Observed Area	$T_{{\rm peak}}$	$\int T {\rm d}v$	$V_{{\rm peak}}$	$\Delta V$
		[GHz]	[arcsec²]	[K]	[K kms^-1 ]	[kms^-1 ]	[kms^-1 ]
HCO⁺	$(J=4 \rightarrow 3)$	356.7342880	$200^{\prime \prime} \times 150^{\prime \prime}$	$5.7 \pm 0.1$	$42.6 \pm 1.8$	94.8	8.4
H¹³CO⁺	$(J=4 \rightarrow 3)$	346.9983381	$90^{\prime \prime} \times 90^{\prime \prime}$	$1.2 \pm 0.02$	$5.5 \pm 0.6$	98.1	3.0
HCN	$(J=4 \rightarrow 3)$	354.5054779	$200^{\prime \prime} \times 150^{\prime \prime}$	$3.8 \pm 0.1$	$73.5 \pm 13.8$	93.8	9.5
H¹³CN	$(J=4 \rightarrow 3)$	345.3397750	$30^{\prime \prime } \times 30^{\prime \prime }$	$1.4 \pm 0.1$	$14.8 \pm 0.4$	99.1	4.8
CS	$(J=7\rightarrow 6)$	342.8828503	$90^{\prime \prime} \times 90^{\prime \prime}$	$3.6 \pm 0.2$	$38.7 \pm 0.9$	98.5	3.8
¹²C¹⁶O	$(J=3\rightarrow 2)$	345.7959899	$200^{\prime \prime} \times 150^{\prime \prime}$	$16 \pm 2.2$	$317 \pm 21.1$	98.8	9.6
¹³C¹⁶O	$(J=3\rightarrow 2)$	330.5879652	$90^{\prime \prime} \times 90^{\prime \prime}$	$8.5 \pm 1.2$	$125 \pm 7.6$	97.4	6.3
¹²C¹⁸O	$(J=3\rightarrow 2)$	329.3305525	$30^{\prime \prime } \times 30^{\prime \prime }$	$3.1 \pm 0.2$	$42.9 \pm 10.0$	98.8	4.7

Notes. Parameters for all molecular line observations. The values for $T_{{\rm peak}}$ and $\Delta V$ are calculated from Gaussian fits to the central pointing or $(18^{{\rm h}}47^{{\rm m}}46.9^{{\rm s}}, -1^{\circ}54^{\prime}29.1^{\prime \prime})$ . For HCN and HCO⁺, the V $_{{\rm peak}}$ was taken from Gaussian fits done to the most intense component, while the line-width corresponds to the whole line. For ¹²CO and ¹³CO the fit was done over the whole spectrum.

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