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COMPTEL upper limits for the56Co&ggr;-rays from SN1998bu

 

作者: R. Georgii,   S. Plu¨schke,   R. Diehl,   W. Collmar,   G. G. Lichti,   V. Scho¨nfelder,   H. Bloemen,   J. Kno¨dlseder,   M. McConnell,   J. Ryan,   K. Bennett,  

 

期刊: AIP Conference Proceedings  （AIP Available online 1900）
卷期: Volume 510, issue 1  

页码: 49-53

 

ISSN:0094-243X

 

年代: 1900

 

DOI:10.1063/1.1303172

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The type Ia supernova SN 1998bu in M96 was observed by COMPTEL for a total of 88 days starting 17 days after the detection of the SN. A special mode improving the low-energy sensitivity was invoked. We obtained images in the 847 keV and 1238 keV lines of56Cousing an improved point-spread function for the low-energies. We do not detect SN1998bu. Sensitive upper limits at both energies constrain the standard supernova model for this event. ©2000 American Institute of Physics.

 

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