Refinements in the source direction analysis of the observations of the unusual 1979 March 5 gamma-ray transient are presented. The final results from the interplanetary gamma=ray burst network produce a 0.1 arc-min e error box. It is nested inside the initially determined 2 arc-min e source region of Evans et al. (1980) that identified the supernova remnant N4Q in the Large Magellanic Cloud as a possible source.
An unrrsual t r a n s i e n t pulse o f ;b 50 keV photons was detected on 1979March 5 by the gamma-ray burst; sensor netwark using n i n e space probes and satel 1 i tes. I t s c h a r a c t e r i s t i c s are un1"i ke those o f t h e known v a r i e t y o f gamma-ray bursts and therefore suggest t h a t i t was formed e i t h e r by a completely d i f f e r e n t o r i g i n species o r i n a very d -i f f e r e n t manner. I t i s i d e o t i f i e d w i t h the LMC supernova remnant N49 i n t h e accompanying L e t t e r (Evans e t a1 . , 1939a).
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