标题： 使用室女座星系团中一个低表面亮度矮星系样本检验环境对恒星形成的影响 显示英文标题

标题： Testing Environmental Influences on Star Formation with a Sample of LSB Dwarf Galaxies in the Virgo Cluster

摘要： 我们分析了室女星系团中一个均匀的低表面亮度（LSB）矮星系样本的恒星形成活动，作为相对于星系团平均径向速度和从星系团中心投影距离的函数，所用数据来自 Wise 观测台获得的 CCD 图像。该样本中 H$\alpha$发射线所在的 HII 区域的局部化现象与孤立的富气 LSB 矮星系样本以及星团中代表性蓝 compact 矮星系（BCD）样本进行了比较。我们报告了从表面颜色分布获得的 LSB 矮星系恒星形成历史的初步结果。 显示英文摘要

摘要： We analyze the star formation activity of an homogeneous LSB dwarf galaxy sample in the Virgo cluster, as a function of the radial velocity relative to the cluster mean velocity and the projected distance from the center of the cluster, using CCD images obtained at the Wise Observatory. The localized H$\alpha$ emission in the HII regions of this sample is compared to that of an isolated gas-rich sample of LSB dwarf galaxies and that of a representative sample of Blue Compact Dwarf (BCD) galaxies in the cluster. We report preliminary results on the LSB dwarf star formation histories obtained from surface color distribution.