A lower limit for the mass of the compact object in SS433 - a black hole?

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Abstract

The SS433 system ejects two relativistic jets with a velocity of 0.26c. The two jets are in oppsite directions, precessing with a period of 160 days 1. The system is assumed to include a compact object which rotates around a normal star with a period of 13 days2,3. There are strong indications for the presence of an accretion disk around the compact object 4. Based on study of a photometric light curve obtained during 3 years of observations5, we suggest here that the compact object might be a black hole.

Original languageEnglish
Pages (from-to)341-342
Number of pages2
JournalNature
Volume307
Issue number5949
DOIs
StatePublished - 1984

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