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- W86572477 abstract "A slitless spectrographic search for H..cap alpha.. emission stars in NGC 2264 and NGC 7000/IC 5070 has revealed 18 new examples, most of which are presumably T Tau stars. An examination of all known T Tau stars in these fields has uncovered no events of the FU Ori type, except for that of V1057 Cyg. The incompleteness of the search as a function of magnitude and H..cap alpha.. strength is estimated by comparison with Herbig's survey (1954, 1958). It is found that for B<16.0, about 80% of the potential H..cap alpha.. emitters will be found in a survey with this equipment. These results, combined with an estimate of the volume occupied by the association in NGC 2264, yield a volume density of stars that show H..cap alpha.. emission (either now, or eventually if the area is surveyed repeatedly) brighter than B=19 of about 1.6 pc/sup -3/." @default.
- W86572477 created "2016-06-24" @default.
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- W86572477 date "1980-03-01" @default.
- W86572477 modified "2023-09-26" @default.
- W86572477 title "NGC 2264 and NGC 7000/IC revisited: A new search for emission H. cap alpha. stars" @default.
- W86572477 hasPublicationYear "1980" @default.
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