Paper:	A 2.4-80,mum Spectrophotometric Study of SS,433 with ISO
Volume:	271, Neutron Stars in Supernova Remnants
Page:	369
Authors:	Fuchs, Y.; Koch-Miramond, L.; Abraham, P.
Abstract:	We present ISOPHOT spectrophotometric observations of SS 433 at four different orbital phases in 1996 and 1997. The HeI + HeII lines in both spectra of SS433 and the Wolf-Rayet starWR 147, a WN8+BO5 binary system, closely match. The 2.5-12 micron continuum radiation is due to an expanding wind free-free emission in an intermediate case between optically thick and optically thin regime. A rough mass loss rate evaluation gives about ~1.4 x 10-4 Msun/yr. Results are consistent with a Wolf-Rayet-like companion to the compact object in SS 433.

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