[O-3] LINES AS A QUANTITATIVE INDICATOR OF NEBULAR CENTRAL-STAR TEMPERATURE

[1] CATALOG OF RELATIVE EMISSION-LINE INTENSITIES OBSERVED IN PLANETARY AND DIFFUSE NEBULAE [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1976, 31 (04) : 517 - 688

[2] EXCITING STARS OF LOW-EXCITATION PLANETARY AND DIFFUSE NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1976, 210 (03) : 843 - 852

[3] KALER JB, 1978, PLANETARY NEBULAE

[4] CASSEGRAIN IMAGE-TUBE SCANNER OBSERVATIONS OF EMISSION-LINES IN SPECTRA OF PLANETARY-NEBULAE [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1977, 89 (527) : 10 - 12

[5] FORBIDDEN TRANSITIONS IN C-I SEQUENCE [J]. ASTROPHYSICAL JOURNAL, 1971, 166 (02) : 411 - +

[6] Osterbrock D. E, 1974, ASTROPHYSICS GASEOUS

[7] PLANETARY NEBULAE .3. CHEMICAL ABUNDANCES [J]. ASTROPHYSICAL JOURNAL, 1971, 168 (03) : 413 - &

[8] Perek L, 1967, CATALOG GALACTIC PLA

[9] Stoy R. H., 1933, MON NOT R ASTRON SOC, V93, P588

[10] TORRESPEIMBERT S, REV MEXICANA ASTRONO

[1] CATALOG OF RELATIVE EMISSION-LINE INTENSITIES OBSERVED IN PLANETARY AND DIFFUSE NEBULAE [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1976, 31 (04) : 517 - 688

[2] EXCITING STARS OF LOW-EXCITATION PLANETARY AND DIFFUSE NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1976, 210 (03) : 843 - 852

[3] KALER JB, 1978, PLANETARY NEBULAE

[4] CASSEGRAIN IMAGE-TUBE SCANNER OBSERVATIONS OF EMISSION-LINES IN SPECTRA OF PLANETARY-NEBULAE [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1977, 89 (527) : 10 - 12

[5] FORBIDDEN TRANSITIONS IN C-I SEQUENCE [J]. ASTROPHYSICAL JOURNAL, 1971, 166 (02) : 411 - +

[6] Osterbrock D. E, 1974, ASTROPHYSICS GASEOUS

[7] PLANETARY NEBULAE .3. CHEMICAL ABUNDANCES [J]. ASTROPHYSICAL JOURNAL, 1971, 168 (03) : 413 - &

[8] Perek L, 1967, CATALOG GALACTIC PLA

[9] Stoy R. H., 1933, MON NOT R ASTRON SOC, V93, P588

[10] TORRESPEIMBERT S, REV MEXICANA ASTRONO