{kappa}-distributed electrons and OIII em. line

The measurement of electron temperatures and metallicities in H II regions and planetary nebulae (PNe) has--for several decades--presented a problem: results obtained using...数十年来，对电离氢区（H II regions）与行星状星云（PNe）内的电子温度及金属丰度的测量始终存在一个难题：通过……所获得的结果