ALMA observations of the “fresh” carbon-rich AGB star TX Piscium - The discovery of an elliptical detached shell

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Table 1.

Stellar parameters of TX Psc.

Stellar parameters
TX Psc
Distance	pc^a
Effective temperature	3000 K^b
Gas mass-loss rate	3.2 × 10⁻⁷ M_⊙ yr⁻¹^c
Dust/gas mass ratio	0.72 × 10⁻³^c
Luminosity	7700 L_⊙^d
Stellar mass	2 M_⊙^b
Gas expansion velocity	∼10 km s⁻¹^e
Stellar velocity (LSRK)	∼13 km s⁻¹^e

Notes. Stellar parameters extracted from following references:

^(a)

van Leeuwen (2007),

^(b)

Klotz et al. (2013),

^(c)

Bergeat & Chevallier (2005),

^(d)

Claussen et al. (1987),

^(e)

this study.

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