THE TRAPEZIUM CLUSTER OF THE ORION NEBULA

[41] Trumpler R.J., 1931, PASP, V43, P255

[42] REDDENING-FREE MAIN-SEQUENCE FOR THE PLEIADES CLUSTER [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1979, 91 (543) : 642 - 647

[43] van den Bergh S., 1960, PDDO, V2, P203

[44] THEORETICAL ISOCHRONES FOR GLOBULAR-CLUSTERS WITH PREDICTED BVRI AND STROMGREN PHOTOMETRY [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1985, 58 (04) : 561 - 621

[45] VANLEEUWEN F, 1983, THESIS LEIDEN U

[46] Walker M. F., 1956, AP J SUPPL, V2, P365

[47] STUDIES OF EXTREMELY YOUNG CLUSTERS .V. STARS IN VICINITY OF ORION NEBULA [J]. ASTROPHYSICAL JOURNAL, 1969, 155 (2P1) : 447 - &

[48] STUDIES OF EXTREMELY YOUNG CLUSTERS .6. SPECTROSCOPIC OBSERVATIONS OF ULTRAVIOLET-EXCESS STARS IN ORION NEBULA CLUSTER AND NGC 2264 [J]. ASTROPHYSICAL JOURNAL, 1972, 175 (01) : 89 - &

[49] PHOTOMETRIC STUDY OF ORION OB 1 ASSOCIATION .1. OBSERVATIONAL DATA [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1977, 34 (02) : 115 - 206

[50] Wielen R., 1974, HIGHLIGHTS ASTRONOMY, V3, P395

[41] Trumpler R.J., 1931, PASP, V43, P255

[42] REDDENING-FREE MAIN-SEQUENCE FOR THE PLEIADES CLUSTER [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1979, 91 (543) : 642 - 647

[43] van den Bergh S., 1960, PDDO, V2, P203

[44] THEORETICAL ISOCHRONES FOR GLOBULAR-CLUSTERS WITH PREDICTED BVRI AND STROMGREN PHOTOMETRY [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1985, 58 (04) : 561 - 621

[45] VANLEEUWEN F, 1983, THESIS LEIDEN U

[46] Walker M. F., 1956, AP J SUPPL, V2, P365

[47] STUDIES OF EXTREMELY YOUNG CLUSTERS .V. STARS IN VICINITY OF ORION NEBULA [J]. ASTROPHYSICAL JOURNAL, 1969, 155 (2P1) : 447 - &

[48] STUDIES OF EXTREMELY YOUNG CLUSTERS .6. SPECTROSCOPIC OBSERVATIONS OF ULTRAVIOLET-EXCESS STARS IN ORION NEBULA CLUSTER AND NGC 2264 [J]. ASTROPHYSICAL JOURNAL, 1972, 175 (01) : 89 - &

[49] PHOTOMETRIC STUDY OF ORION OB 1 ASSOCIATION .1. OBSERVATIONAL DATA [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1977, 34 (02) : 115 - 206

[50] Wielen R., 1974, HIGHLIGHTS ASTRONOMY, V3, P395