| A Study of the Energy Sources of Herbig—Haro Objects |
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| 引用本文： | Jing－Wen,Yue－FangWu,等.A Study of the Energy Sources of Herbig—Haro Objects[J].中国天文和天体物理学报,2002,2(1):33-42. |
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| 作者姓名： | Jing－Wen Yue－FangWu 等 |
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| 作者单位： | DepartmentofAstronomy,CAS－PKUJointBeijingAstrophysicsCenter,PekingUniversity,Beijing100871 |
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| 基金项目： | G1999075405 of NKBRSF, 19773002 of the NSFC. |
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| 摘 要： | 1 INTRODUCTIONHerbig-Haro objects are a kind of semi-sta]c, semi-nebuIa objects associated with star fOrm-ing regions. Although such objects were noticed by Burnham as early as l890s, they did notattract much attention until the late 1940s until their independent rediscovery by Herbig andHaro in NGC 1999. A few years later, these objects were named Herbig-Haro objects fOr thefirst time by Ambartsumian (Reipurth 1997). In the fOllowing half century, the observationand theoretical res…
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| 关 键 词： | ISM 能源 恒星 IRAS HH天体 |
A Study of the Energy Sources of Herbig-Haro Objects |
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| JingWen Wu,YueFang Wu,JunZhi Wang,Kai Cai.A Study of the Energy Sources of Herbig-Haro Objects[J].Chinese Journal of Astronomy and Astrophysics,2002,2(1):33-42. |
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| Authors: | JingWen Wu YueFang Wu JunZhi Wang Kai Cai |
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| Abstract: | We make a statistical study of the energy sources of high-velocity phenomena, Herbig-Haro(HH) objects. IRAS counterparts of HH objects are identified. Their colors, brightness, geometric relation to the HH objects and SED are analysed. The sources are found to be concentrated in a band-shaped region in the IRAS color-color diagram. We suggest an explanation of thick surrounding material for this distribution. We propose a new method for indenfifying the energy sources based on color and brightness. This method is applied to more than 200 HH objects whose energy sources are still unknown. Finally, a group of very young stellar object candidates which have similar properties to HH energy sources is picked out. Their harge-scale distribution is discussed. |
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| Keywords: | star: formation - ISM: Herbig-Haro objects - stars: pre-main- sequence |
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