...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >First Subaru Observations of Sub-km Main-Belt Asteroids
【24h】

First Subaru Observations of Sub-km Main-Belt Asteroids

机译：Sub-sub亚公里主带小行星的首次Subaru观测

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Wereportonthefirstobservationsofsub-kmmain-beltasteroids(MBAs)obtainedwiththeprime-focusmosaicCCDcamerafortheSubarutelescope.Wedetected27movingobjectsinasingleimageofthesky(fieldofview:$${27{}^{mathrm{prime}}} imes{27{}^{mathrm{prime}}}$$),whoselocationwas$${41{}^{mathrm{circ}}}$$offopposition.Fromtheirpositionsandprojectedmotionsonthesky,allofthedetectedobjectswerefoundtobenewandconsistentwiththecharacteristicofMBAs.TheV-magnitudesofthediscoveredasteroidsrangeapproximatelyfrom19to24.Undersomesimple,butreasonable,assumptions,weestimatedthecumulativesizedistributionfortheasteroids.Thisisthefirststatisticsforsub-kmMBAs(theminimumdiametercorrespondstoabout0.6km).Itisfoundthattheslopeofthecumulativesizedistributionfortheobservedasteroidsis1.0withanerrorofabout0.3.Wenotethatourslopeisfairlysmallerthanthatobtainedinthepastobservationalsurveysforasteroidslargerthanafewkilometers($$sim1.75$$).
机译：我们报告了用次聚焦镜用原始聚焦马赛克CCD相机获得的亚公里级主类固醇（MBA）的首次观测结果。我们检测到27个移动的物体在天空的单个图像中（视野：$$ {27 {} ^ {mathrm {prime}}} imes {27 {} ^} $ {mathrm {prime {41 {} ^ {mathrm {CIRC}}} $$ offopposition.Fromtheirpositionsandprojectedmotionsonthesky，allofthedetectedobjectswerefoundtobenewandconsistentwiththecharacteristicofMBAs.TheV-magnitudesofthediscoveredasteroidsrangeapproximatelyfrom19to24.Undersomesimple，butreasonable，假设，weestimatedthecumulativesizedistributionfortheasteroids.Thisisthefirststatisticsforsub-kmMBAs（theminimumdiametercorrespondstoabout0.6km）.Itisfoundthattheslopeofthecumulativesizedistributionfortheobservedasteroidsis1.0withanerrorofabout0.3.Wenotethatourslopeisfairlysmallerthanthatobtainedinthepastobservationalsurveysforasteroidslargerthanafewkilometers（$ $ sim1.75 $$）。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号