Photometric Standard Stars

The non-variable stars brighter than 5.0 mag in the equatorial zone between declinations +10{deg} and -10{deg} were adopted by IAU Commission 25 in 1970 as primary standards for...1970年，国际天文学联合会（International Astronomical Union, IAU）第25专业委员会将赤纬+10°至-10°赤道天区内亮于5.0星等（mag）的非变星，选定为……的一级标准。