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Individual sheet: PACWB J174112–303229
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Spectral type(s): WC9 + OB?
Multiplicity:
Confirmed binary system
Period(s): 565 d
Orbital solution: no
Ref: Monnier et al.(1999)
Quality flag (Q): I
Comments:
This is one of the so-called pinwheel nebulae known to produce dust particles in the wind-wind interaction region. The lack of identification of synchrotron emission at lower frequencies (bands 4 and 5 of uGMRT) suggests that the non-thermal emission reported at higher frequencies is significanty suppressed by free-free absorption at and below 1.4 GHz (Blanco et al. 2024).