猎户座B的射电观测  

RADIO OBSERVATION OF ORION B

作　　者：毛信杰[1] 孙金江[2] 米兰玉 苏江涛 

机构地区：[1]北京师范大学天文学系 [2]国家天文观测中心德令哈观测基地,青海德令哈817000

出　　处：《北京师范大学学报（自然科学版）》2000年第4期507-509,共3页Journal of Beijing Normal University(Natural Science)

基　　金：国家自然科学基金资助项目!(19873003);中国科学院射电天文联合实验室资助项目

摘　　要：利用德令哈观测基地 13.7m毫米波射电望远镜对 Orion B做 13CO( J=1→ 0 )和 C18O( J=1→ 0 )成图观测 .二者均有双极外向流结构 .13CO的 2个方向的外流很不对称 ,中心位置与 CO( J=1→ 0 )外向流大致相同 ,与 CO( J=1→ 0 )外向流相比 ,C18O的外向流中心向北偏移约 1.5′CO( J =1→0) and C 18 O( J =1→0) maps made with 13 7 m telescope, operating in millimeter waves and placed in Delingha, Qinghai province were revealed the structre of high velocity molecular bipolar outflows. In the 13 CO map the two flows quite near that of CO( J =2→1) map, while the center of C 18 O flows is shifted approximately 1 5′ northwards in contrast to CO( J =1→0) or HCO +( J =3→2) bipolar outflows.

关 键 词：恒星形成 分子云 分子外向流 射电观测 猎户座B 

分 类 号：P161[天文地球—天文学] P144