抄録
Very-high-energy rays emitted by the supernova 1987A were searched for at the Black Birch Range in New Zealand during December 1987 and January 1988. Data obtained in 42 hours of observation time give an upper bound on the flux at the 95% confidence level of 6.1 × 10-12 cm-2 s-1 for rays with energies above 3 TeV. Data obtained on 14 and 15 January are found to have excess counts, above the background level, corresponding to a flux of (1.9+0.5)×10-11 cm-2 s-1 and a total energy of 1043 ergs.
本文言語 | English |
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ページ(範囲) | 2292-2295 |
ページ数 | 4 |
ジャーナル | Physical Review Letters |
巻 | 61 |
号 | 20 |
DOI | |
出版ステータス | Published - 1988 |
外部発表 | はい |
ASJC Scopus subject areas
- 物理学および天文学(全般)