Identifying the mechanisms of water maser variability during the accretion burst in NGC6334I

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Volume 691 (November 2024)

A&A, 691 (2024) A157

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Table 5.

Fits for 2019.7 321 GHz maser emission as observed with ALMA.

Position ^(a)	V_LSR	Integrated flux	Peak intensity	Deconvolved size ^(b)
	(km s⁻¹)	(Jy)	(Jy beam⁻¹)	(mas × mas, deg)
17^h20^m53 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 3734, −35°46′55 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 9127 (1.1, 0.2)	−8.25	4.1 (0.05)	2.5 (0.02)	157 × 41 (92)
17^h20^m53 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 3734, −35°46′55 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 9124 (0.6, 0.2)	−8.00	16.2 (0.11)	9.8 (0.04)	156 × 41 (93)
17^h20^m53 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 3733, −35°46′55 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 9122 (0.6, 0.1)	−7.75	27.3 (0.17)	16.5 (0.07)	156 × 39 (92)
17^h20^m53 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 3733, −35°46′55 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 9119 (0.6, 0.1)	−7.50	21.5 (0.13)	13.0 (0.05)	155 × 41 (92)
17^h20^m53 $\overset{s}{.}$ ${{\overset{\text{s}}{.}}}$ 3733, −35°46′55 $\overset{″}{.}$ ${{\overset{\prime\prime}{.}}}$ 9111 (0.6, 0.2)	−7.25	8.6 (0.06)	5.2 (0.03)	155 × 40 (92)

Notes.

^(a)

Positional uncertainty is in milliarcseconds.

^(b)

Only upper limits for the size of an unresolved source.

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