精華區beta sky 關於我們 聯絡資訊
【 在 EPS.bbs@bbs.ntu.edu.tw (服下這株忘悠草) 的大作中提到: 】 : ==> akn.bbs@crux.chem.nsysu.edu.tw (akn) 提到: : > 1.well,compared with the normal galaxy,QSO is strong at radio wavelengths.But : > in fact,we should understand that almost QSO is radio quiet,they only have : > peaks at optics and infrared wavelengths. : Of course, no one will use a radio-quiet quasar for radio calibration. 1.really?????But I thought that the numbers of radio-loud QSOs is too small, do we really only use radio-loud QSO as the standard galaxy?I am not familiar with this field.Can you tell me more about it?Thanks! -- ※ 來源:‧南十字 crux.chem.nsysu.edu.tw‧[FROM: 163.27.84.15]