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. Author manuscript; available in PMC: 2016 Jun 6.

Published in final edited form as: Astron Astrophys. 2016 May;589:A60. doi: 10.1051/0004-6361/201527089

Table 2.

Fit model parameters. These values were directly obtained by fitting the visibilities.

	¹³CO, rms= 1.65 Jy
Ring	R.A.	0.0	fixed
Ring	Dec.	0.0	fixed
+	Flux	1.5	± 0.05
	R_in (AU)	0.0	± 72
	R_out (AU)	286	± 3
Gaussian	R.A.	-0.4	± 0.01
	Dec.	-0.2	± 0.02
	Flux	7.3	± 0.15
	H.W.H.P.	460	± 6

	C¹⁸O, rms= 1.37 Jy

Ring	R.A.	0.0	fixed
Ring	Dec.	0.0	fixed
+	Flux	0.8	± 0.07
	R_in (AU)	72	± 72
	R_out (AU)	283	± 4
Gaussian	R.A.	-0.05	± 0.04
	Dec.	-0.29	± 0.07
	Flux	1.25	± 0.06
	H.W.H.P.	310	± 15

	Continuum 1mm, rms= 0.41 Jy

Ring	R.A.	0.01	± 0.03
	Dec.	-0.30	± 0.04
	Flux	0.1	± 0.004
	R_in (AU)	72	± 36
	R_out (AU)	209	± 6

	H₂CO, rms=1.25 Jy

Ring	R.A.	0.3	± 0.08
	Dec.	-0.4	± 0.10
	Flux	0.22	± 0.01
	R_in (AU)	72	± 72
	R_out (AU)	302	± 11

	SO, rms= 1.34 Jy

Ring	R.A.	0.5	± 0.2
	Dec.	-0.3	± 0.2
	Flux	0.10	± 0.01
	R_in (AU)	145	± 72
	R_out (AU)	384	± 38