共 13 条
- [3] THE COLOR-MAGNITUDE DIAGRAM FOR I-ORIONIS [J]. ASTROPHYSICAL JOURNAL, 1957, 126 (01) : 134 - 137
- [4] THE RATIO OF HELIUM TO HYDROGEN IN THE ORION NEBULA [J]. ASTROPHYSICAL JOURNAL, 1957, 125 (02) : 328 - 335
- [6] RUSSELL HN, 1940, MASSES STARS, P112
- [9] STRAND K, 1958, ANN DEARBORN OBS, V7, P67
- [10] STELLAR MOTIONS IN THE ORION NEBULA CLUSTER [J]. ASTROPHYSICAL JOURNAL, 1958, 128 (01) : 14 - 30