Resolved gas cavities in transitional disks inferred from CO isotopologs with ALMA

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Table 2

Properties of the ALMA observations.

Target	Derived position	Beam	Beam	rms_13CO^a	rms_C18O^a	rms_cont	PA	i ^b	ν_LSR
	(J2000)	size (′′)	PA (°)	(mJy beam^-1)	(mJy beam^-1)	(mJy beam^-1)	(°)	(°)	(km s^-1)

HD 135344B	15:15:48.42 –37:09:16.36	0.26 × 0.21	46	9.8	14	0.26	63	16	7.25
SR21	16:27:10.27 –24:19:13.04	0.25 × 0.19	–65	6.4	8.9	0.12	14	16	3.0
DoAr44	16:31:33.46 –24:27:37.53	0.25 × 0.19	–65	6.8	8.9	0.14	30	20	4.35
IRS 48	16:27:37.18 –24:30:35.39	0.19 × 0.15	87	23	25	0.59	100	50	4.55

Notes.

^(a)

Measured in 0.5 km s^-1 bins;

^(b)

derived from the ¹³CO channel maps.

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