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Table 1

M-type AGB stars with detected AlF line emission.

Star (10−7 M yr−1) d (pc) VLSR (km s−1 ) Vexp (kms−1) R (mas) T (K) P (days) M (M)
o Ceti 1 102 47 3 15 2800 332 1.0
RLeo 1 130 0.5 6 13.5 2800 310 1.5
WHya 1 104 41 7 20 2950 388 1.0
RDor 1 45 6.9 6 27.5 2400 175 1.0–1.3
IK Tau 80 265 34 18.5 6 2100 470 1.1–1.5

Notes. Columns 2–8, for the first four sources, are taken from Vlemmings et al. (2019) and the stellar masses for W Hya, R Dor, and IK Tau are from Danilovich et al. (2017). For o Ceti and R Leo, they are estimated based on the 17O/18O ratio presented by De Nutte et al. (2017) and the O isotopic ratios are taken from Hinkle et al. (2016). For IK Tau, all parameters are taken from Velilla Prieto et al. (2017, and references therein). We note that R listed here are the measured radii in the near-infrared. †Period of R Dor varies between 175 and 362 days.

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