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서지반출
AN EVALUATION OF THE SOLAR RADIO BURST LOCATOR (SRBL) AT OVRO
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  • AN EVALUATION OF THE SOLAR RADIO BURST LOCATOR (SRBL) AT OVRO
  • AN EVALUATION OF THE SOLAR RADIO BURST LOCATOR (SRBL) AT OVRO
저자명
HwangBo. J.E.,Bong. Su-Chan,Cho. K.S.,Moon. Y.J.,Lee. D.Y.,Park. Y.D.,Gary. Dale E.,Dougherty. Brian L.
간행물명
Journal of the Korean astronomical society
권/호정보
2005년|38권 4호|pp.437-443 (7 pages)
발행정보
한국천문학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

The Solar Radio Burst Locator (SRBL) is a spectrometer that can observe solar microwave bursts over a wide band (0.1-18 GHz) as well as detect the burst locations without interferometry or mechanical scanning. Its prototype has been operated at Owens Valley Radio Observatory (OVRO) since 1998. In this study, we have evaluated the capability of the SRBL system in flux and radio burst location measurements. For this, we consider 130 microwave bursts from 2000 to 2002. The SRBL radio fluxes of 53 events were compared with the fluxes from USAF/RSTN and the burst locations of 25 events were compared with the optical flare locations. From this study, we found: (1) there is a relatively good correlation (r = 0.9) between SRBL flux and RSTN flux; (2) the mean location error is about 8.4 arcmin and the location error (4.7 arcmin) of single source events is much smaller than that (14.9 arcmin) of multiple source events; (3) the minimum location error usually occurred just after the starting time of burst, mostly within 10 seconds; (4) there is a possible anti-correlation (r = -0.4) between the pointing error of SRBL antenna and the location error. The anti-correlation becomes more evident (r=-0.9) for 6 strong single source events associated with X-class flares. Our results show that the flux measurement of SRBL is consistent with that of RSTN, and the mean location error of SRBL is estimated to be about 5 arcmin for single source events.