Continuum and molecular emission from the inner regions of the symbiotic system R Aquarii

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Volume 689 (September 2024)

A&A, 689 (2024) A317

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Table 7

Band 7 detected lines: shape, extent, and brightness.

Line	Shape	Extent	Peak brightness		Comments
Line	Shape	(mas)	(K)	(mJy beam⁻¹)	Comments
SiO v=7 J = 8−7	–		80	6	low S/N
¹³CO v=0 J = 3−2	extended+ring	180×100	260	20
H₂O v₂ = 2 $J_{K_{a}, K_{c}} = 3_{2, 1} - 4_{1, 4}$ ${J_{{K_a},{K_c}}} = {3_{2,1}} - {4_{1,4}}$	compact	80×70	290	22
TiO₂ $J_{K_{a}, K_{c}} = 27_{8, 20} - 27_{7, 21}$ ${J_{{K_a},{K_c}}} = {27_{8,20}} - {27_{7,21}}$	–		40	4	low S/N
TiO₂ $J_{K_{a}, K_{c}} = 26_{8, 18} - 26_{7, 19}$ ${{J_{{K_a},{K_c}}} = {{26}_{8,18}} - {{26}_{7,19}}}$	–		40	4	low S/N
TiO₂ $J_{K_{a}, K_{c}} = 39_{8, 32} - 39_{7, 33}$ ${{J_{{K_a},{K_c}}} = {{39}_{8,32}} - {{39}_{7,33}}}$	–		30	3	low S/N
³⁰ SiO v=3 J=8−7	compact	70×80	200	15
Si¹⁷O v=1 J=8−7	–		130	10	low S/N
¹²CO v=1 J=3−2	compact	200×100	230	18
³⁴SO $J_{K_{a}, K_{c}} = 55_{6, 50} - 56_{3, 53}$ ${J_{{K_a},{K_c}}} = {55_{6,50}} - {56_{3,53}}$	–		70	6	low S/N
²⁹ SiO v=0 J=8−7	extended+ring	450×100	400	30	absorption
TiO₂ $J_{K_{a}, K_{c}} = 11_{8, 4} - 11_{7, 5}$ ${{J_{{K_a},{K_c}}} = {{11}_{8,4}} - {{11}_{7,5}}}$	–		60	5	low S/N
TiO₂ $J_{K_{a}, K_{c}} = 23_{3, 21} - 22_{2, 20}$ ${{J_{{K_a},{K_c}}} = {{23}_{3,21}} - {{22}_{2,20}}}$	–		60	5	low S/N
U343294	–		60	5	low S/N
U343416	–		60	5	low S/N
U343797	–		60	5	low S/N
TiO v=2 $J_{K_{a}, K_{c}} = 11_{2, 211} - 10_{2, 210}$ ${J_{{K_a},{K_c}}} = {11_{2,211}} - {10_{2,210}}$	–		60	5	low S/N
SO ³Σ v=1 N_J=9₈−8₇	compact	80×70	220	17
SO v=0 J=8−7	extended+peanut	90×80	330	25
¹²CO v=0 J=3−2	elongated east-west	800×200	400	55

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