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Table 1

Properties of RS Cnc.

Parameter Value Ref.

Distance 143 pc 1
MK Spectral type M6eIb-II(S) 2
Variability type SRc: 2
Pulsation periods 122 and 248 days 3
Effective temperature 3226 K 4
Radius 225 R 4
Luminosity 4945 L 4
LSR radial velocity (V) 6.75 km s-1 5
Expansion velocity 2.4/8.0 km s-1 5
Mass loss rate 1.7 × 10-7 M yr-1 6
3D space velocity; PA 15 km s-1; 155° this work

Reference. (1) Hipparcos (van Leeuwen 2007); (2) GCVS (General Catalogue of Variable Stars); (3) Adelman & Dennis (2005); (4) Dumm & Schild (1998); (5) Libert et al. (2010); (6) Knapp et al. (1998).

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