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DAILY SEARCH FOR EMISSION OF ULTRA HIGH-ENERGY RADIATION FROM POINT SOURCES

被引：15
作者：
ALEXANDREAS, DE
ALLEN, G
BERLEY, D
BILLER, S
BURMAN, RL
CADY, DR
CAVALLISFORZA, M
CHANG, CY
COYNE, D
DION, C
DION, GM
DORFAN, D
ELLSWORTH, RW
FREEDMAN, SJ
FUJIKAWA, BK
GOODMAN, JA
HAINES, TJ
HOFFMAN, CM
KELLEY, L
KLEIN, S
KRAKAUER, DA
KWOK, PW
LU, XQ
NAGLE, DE
POTTER, M
SANDBERG, VD
SINNIS, C
SHOUP, A
STARK, MJ
VISHWANATH, PR
WEEKS, DD
WILLIAMS, DA
WU, JP
YODH, GB
ZHANG, W
机构：
[1] UNIV MARYLAND,COLL PK,MD 20742
[2] NATL SCI FDN,WASHINGTON,DC 20550
[3] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545
[4] UNIV NOTRE DAME,NOTRE DAME,IN 46556
[5] UNIV CALIF SANTA CRUZ,SANTA CRUZ,CA 95064
[6] GEORGE MASON UNIV,FAIRFAX,VA 22030
[7] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720
[8] ARGONNE NATL LAB,ARGONNE,IL 60439
[9] TATA INST FUNDAMENTAL RES,BOMBAY 400005,INDIA
[10] TATA INST FUNDAMENTAL RES,BOMBAY 400005,INDIA
[11] UNIV NEW MEXICO,ALBUQUERQUE,NM 87131
[12] UNIV CALIF RIVERSIDE,RIVERSIDE,CA 92521
来源：
ASTROPHYSICAL JOURNAL | 1993年 / 405卷 / 01期
关键词：
GAMMA RAYS; OBSERVATIONS;
D O I：
10.1086/172367
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A daily search for emission of ultra-high-energy radiation from astrophysical point sources using the CYGNUS extensive air shower array is described. The data set spans the period from 1986 April 4 to 1992 June 22. Fifty-one astrophysical objects have been examined, including Cyg X-3, Her X-1, the Crab, a number of gamma-ray and X-ray sources from the COS B and the fourth Uhuru catalogs, and several cataclysmic variables, nearby galaxies, and radio pulsars. The observed daily number of events from the source directions are consistent with expected statistical fluctuations of the number of events from background cosmic rays.
引用
收藏
页码：353 / 358
页数：6
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