低质量恒星形成区一类甲醇脉泽的探测
天体物理学
2009-11-11 v1
摘要
在低至中等质量恒星形成区的六个年轻双极外流中,分别在44、95和84 GHz的 7_0-6_1A+、8_0-7_1A+ 和 5_{-1}-4_0E 甲醇谱线上进行了观测。在NGC 1333IRAS4A、HH 25MMS和L1157 B1方向探测到了窄特征。探测到的谱线流量密度不超过11 Jy,远低于高质量恒星形成区强脉泽谱线的流量密度。分析表明,这些窄特征极可能是脉泽。
引用
@article{arxiv.astro-ph/0505226,
title = {The mass of dwarf spheroidal galaxies and the missing satellite problem},
author = {J. I. Read and M. I. Wilkinson and N. Wyn Evans and G. Gilmore and Jan T. Kleyna},
journal= {arXiv preprint arXiv:astro-ph/0505226},
year = {2009}
}
备注
4 pages, 1 figure, to appear in the proceedings of the IAUC198 "Near-Field Cosmology with Dwarf Elliptical Galaxies", H. Jerjen & B. Binggeli (eds.). Comments welcome