NIR stellar populations in Sextans A and Leo A

We present JHKs observations of the metal-poor ([Fe/H]{<}-1.40) dwarf-irregular galaxies, Leo A and Sextans A, obtained with the WIYN High-resolution Infrared Camera at Kitt...

本研究报道了金属丰度[Fe/H] < -1.40的贫金属矮不规则星系狮子座A（Leo A）与六分仪座A（Sextans A）的JHKs波段观测数据，该观测使用基特峰的WIYN高分辨率红外相机（WIYN High-resolution Infrared Camera）获取……