A bipolar structure and shocks surrounding the stellar-merger remnant V1309 Scorpii

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Table 2

Parameters of SO₂ gas for both ALMA epochs.

	2016		2019
	BC	NC	BC	NC
N (cm⁻²)	9.51×10¹⁶	2.56×10¹⁶	4.55×10¹⁷	1.63×10¹⁷
T_ex (K)	113±9	113±11	35±10	97±3
V_LSR (km s⁻¹)	−95	53	−43	−123
FWHM (km s⁻¹)	160	90	233	112

Notes. BC and NC refers to the broad and narrow component, respectively. For the 2016 observations, the FWHM and v_LSR were both fixed to values derived in K18 for both components.

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