EFFECTIVE TEMPERATURES OF O STARS

[11] COURTES G, 1968, INTERSTELLAR IONIZED, P571

[12] SPECTRUM OF STAR NO 1 IN NGC 2024 [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1968, 80 (472) : 20 - &

[13] INTERSTELLAR REDDENING FOR H 2 REGIONS AND LYMAN-VISUAL COLORS OF THEIR EXCITING STARS [J]. ASTROPHYSICAL JOURNAL, 1968, 153 (3P1) : 743 - &

[14] GERSHBERG RE, 1963, PUB CRIMEAN AP OBS, V30, P90

[15] MODEL ATMOSPHERES FOR O5 V AND B0 V STARS WITH LINE BLANKETING [J]. ASTROPHYSICAL JOURNAL, 1968, 152 (1P1) : 203 - &

[16] Hiltner W. A., 1956, ASTROPHYS J SUPPL S, V2, P389

[17] THE LAW OF INTERSTELLAR REDDENING AND ABSORPTION [J]. ASTROPHYSICAL JOURNAL, 1956, 124 (02) : 367 - 378

[18] EFFECTS OF STELLAR EVOLUTION ON PROPERTIES OF H 2 REGIONS [J]. ASTROPHYSICAL JOURNAL, 1968, 154 (2P1) : 533 - +

[19] Hoffleit D., 1964, CATALOGUE BRIGHT STA

[20] HUMMER DG, 1968, PRIVATE COMMUNICATIO

[11] COURTES G, 1968, INTERSTELLAR IONIZED, P571

[12] SPECTRUM OF STAR NO 1 IN NGC 2024 [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1968, 80 (472) : 20 - &

[13] INTERSTELLAR REDDENING FOR H 2 REGIONS AND LYMAN-VISUAL COLORS OF THEIR EXCITING STARS [J]. ASTROPHYSICAL JOURNAL, 1968, 153 (3P1) : 743 - &

[14] GERSHBERG RE, 1963, PUB CRIMEAN AP OBS, V30, P90

[15] MODEL ATMOSPHERES FOR O5 V AND B0 V STARS WITH LINE BLANKETING [J]. ASTROPHYSICAL JOURNAL, 1968, 152 (1P1) : 203 - &

[16] Hiltner W. A., 1956, ASTROPHYS J SUPPL S, V2, P389

[17] THE LAW OF INTERSTELLAR REDDENING AND ABSORPTION [J]. ASTROPHYSICAL JOURNAL, 1956, 124 (02) : 367 - 378

[18] EFFECTS OF STELLAR EVOLUTION ON PROPERTIES OF H 2 REGIONS [J]. ASTROPHYSICAL JOURNAL, 1968, 154 (2P1) : 533 - +

[19] Hoffleit D., 1964, CATALOGUE BRIGHT STA

[20] HUMMER DG, 1968, PRIVATE COMMUNICATIO